Skip Navigation: Avoid going through Home page links and jump straight to content

Orbital and Ephemeris Information for Comet 1996 B2 Hyakutake

clrbar.gif

Orbit and Ephemeris Updates for Comet 1996 B2 Hyakutake

Don Yeomans - JPL
Apr. 5, 1996

Radar Doppler data for March 24-25 (provided by Steve Ostro) and additional optical astrometric data through March 29 have been included in the following orbit.


 Object: Comet 1996 B2 Hyakutake
 Ref. Solution: 34
 Planetary Ephemeris: DE403
 No. Observations:   636
 Observation Arc:  1996 Jan  1 - 1996 Mar 29

 ---- Optical Residuals ----      RA        Dec      Total
 Maximum Residual Difference      .002      .004
 Mean                             .013     -.003      .014
 RMS, unweighted                  .908      .778      .845
 No. optical observations:   633

 ----- Radar Residuals -----     Delay   Doppler   Radar+Optical
 Normalized RMS                   .000     3.278         .859
 No. Delay, Doppler Obs.:   0,  3

 ---- Corrected Elements (J2000):  Solution 34
   Epoch  2450206.50000 = 1996 May  3.00000
                          Post-Fit Std.Dev.
e      0.999887068       .000004182
q      0.230200536       .000003190
Tp     2450204.8936884   .0000507    1996 May  1.39369
Node   188.0453468       .0000440
w      130.1786541       .0005996
i      124.9229369       .0002434

 ---- Elements at other epochs:
 Epoch (TDB)      e         q       Node       w          i           Tp
1996 Mar 30.0   .9998899 .2302044 188.045181 130.177783 124.922660  1996 May  1.393705
1996 Apr  6.0   .9998887 .2302021 188.045181 130.178188 124.922656  1996 May  1.393685
1996 Apr 13.0   .9998886 .2302014 188.045275 130.178368 124.922858  1996 May  1.393676
1996 Apr 20.0   .9998871 .2302007 188.045326 130.178597 124.922930  1996 May  1.393686
1996 Apr 27.0   .9998869 .2302005 188.045341 130.178656 124.922939  1996 May  1.393689


e:      Eccentricity
q:      Perihelion passage distance (AU)
Node:   Longitude of the ascending node (deg.)
w:      Argument of perihelion (deg.)
i:      Inclination (deg.)
Tp:     Perihelion passage time (TDB)



The apparent total magnitude predictions in the following ephemeris are rough
estimates.  The ephemeris uncertainties are at the one arc second level for
this interval


Ephemeris (with perturbations) for Comet 1996 B2 Hyakutake
JPL Ref. orbit No. 34 by D.K. Yeomans, Apr. 5, 1996
Ephemeris output times are UTC (not TT).

 Date (UT)  Hr      R.A. J2000  Dec.     Delta Deldot    r   Theta Beta Moon PsAng TMag
1996 Apr  4 00  03 08 19.69 +47 38 50.0   .335  54.14   .830  50.8 110.9 129  45.4  1.8
1996 Apr  4 12  03 07 44.25 +46 48 05.0   .351  54.38   .819  49.8 111.1 135  45.3  1.9
1996 Apr  5 00  03 07 11.02 +46 01 21.7   .367  54.58   .807  48.8 111.3 140  45.2  1.9
1996 Apr  5 12  03 06 39.52 +45 18 09.7   .382  54.77   .796  47.8 111.3 144  45.1  1.9
1996 Apr  6 00  03 06 09.36 +44 38 03.2   .398  54.93   .784  46.9 111.4 148  45.0  1.9
1996 Apr  6 12  03 05 40.22 +44 00 40.1   .414  55.08   .773  46.0 111.4 151  44.9  2.0
1996 Apr  7 00  03 05 11.85 +43 25 41.1   .430  55.22   .761  45.1 111.3 152  44.7  2.0
1996 Apr  7 12  03 04 44.03 +42 52 49.9   .446  55.34   .750  44.3 111.2 151  44.6  2.0
1996 Apr  8 00  03 04 16.56 +42 21 51.8   .462  55.46   .738  43.4 111.1 149  44.4  2.0
1996 Apr  8 12  03 03 49.29 +41 52 34.3   .478  55.56   .726  42.6 110.9 145  44.2  2.0
1996 Apr  9 00  03 03 22.08 +41 24 46.2   .494  55.66   .714  41.8 110.7 141  44.0  2.0
1996 Apr  9 12  03 02 54.80 +40 58 17.6   .510  55.76   .702  41.1 110.4 136  43.7  2.0
1996 Apr 10 00  03 02 27.34 +40 32 59.7   .526  55.85   .690  40.3 110.1 130  43.5  2.0
1996 Apr 10 12  03 01 59.61 +40 08 44.6   .542  55.94   .678  39.6 109.8 124  43.2  2.0
1996 Apr 11 00  03 01 31.51 +39 45 25.1   .559  56.03   .666  38.8 109.5 118  42.9  2.0
1996 Apr 11 12  03 01 02.96 +39 22 54.9   .575  56.11   .654  38.1 109.1 111  42.6  2.0
1996 Apr 12 00  03 00 33.88 +39 01 08.0   .591  56.19   .642  37.4 108.7 105  42.3  1.9
1996 Apr 12 12  03 00 04.21 +38 39 59.1   .607  56.28   .630  36.6 108.3  98  42.0  1.9
1996 Apr 13 00  02 59 33.86 +38 19 23.1   .623  56.36   .618  35.9 107.8  92  41.6  1.9
1996 Apr 13 12  02 59 02.78 +37 59 15.5   .640  56.44   .606  35.2 107.3  85  41.2  1.9
1996 Apr 14 00  02 58 30.89 +37 39 31.8   .656  56.52   .593  34.5 106.7  78  40.8  1.8
1996 Apr 14 12  02 57 58.15 +37 20 08.1   .672  56.60   .581  33.8 106.1  72  40.4  1.8
1996 Apr 15 00  02 57 24.49 +37 01 00.3   .689  56.68   .568  33.1 105.5  65  40.0  1.7
1996 Apr 15 12  02 56 49.84 +36 42 04.7   .705  56.76   .556  32.4 104.8  59  39.5  1.7
1996 Apr 16 00  02 56 14.15 +36 23 17.9   .722  56.84   .543  31.7 104.1  52  39.0  1.6
1996 Apr 16 12  02 55 37.36 +36 04 36.1   .738  56.92   .531  31.0 103.4  46  38.5  1.6
1996 Apr 17 00  02 54 59.42 +35 45 56.0   .754  57.00   .518  30.3 102.6  40  38.0  1.5
1996 Apr 17 12  02 54 20.26 +35 27 14.1   .771  57.07   .506  29.5 101.7  34  37.4  1.5
1996 Apr 18 00  02 53 39.83 +35 08 27.1   .787  57.15   .493  28.8 100.8  29  36.8  1.4
1996 Apr 18 12  02 52 58.06 +34 49 31.4   .804  57.22   .480  28.1  99.8  25  36.2  1.3
1996 Apr 19 00  02 52 14.91 +34 30 23.5   .820  57.28   .468  27.4  98.8  21  35.6  1.3
1996 Apr 19 12  02 51 30.31 +34 10 59.8   .837  57.34   .455  26.7  97.7  20  34.9  1.2
1996 Apr 20 00  02 50 44.20 +33 51 16.6   .854  57.38   .442  25.9  96.5  20  34.2  1.1
1996 Apr 20 12  02 49 56.54 +33 31 10.1   .870  57.42   .430  25.2  95.2  23  33.4  1.0
1996 Apr 21 00  02 49 07.26 +33 10 36.2   .887  57.44   .417  24.5  93.9  27  32.6   .9
1996 Apr 21 12  02 48 16.32 +32 49 30.6   .903  57.43   .405  23.7  92.4  31  31.8   .8
1996 Apr 22 00  02 47 23.66 +32 27 48.8   .920  57.40   .392  22.9  90.9  36  30.9   .8
1996 Apr 22 12  02 46 29.24 +32 05 26.2   .936  57.34   .380  22.2  89.2  42  30.0   .7
1996 Apr 23 00  02 45 33.03 +31 42 17.7   .953  57.24   .367  21.4  87.4  47  29.0   .5
1996 Apr 23 12  02 44 35.01 +31 18 17.9   .969  57.09   .355  20.6  85.5  53  27.9   .4
1996 Apr 24 00  02 43 35.16 +30 53 21.2   .986  56.87   .343  19.8  83.4  59  26.7   .3
1996 Apr 24 12  02 42 33.48 +30 27 21.6  1.002  56.57   .331  19.0  81.1  65  25.5   .2
1996 Apr 25 00  02 41 30.02 +30 00 12.8  1.019  56.18   .320  18.2  78.7  71  24.2   .1
1996 Apr 25 12  02 40 24.81 +29 31 48.2  1.035  55.68   .309  17.3  76.1  76  22.7   .0
1996 Apr 26 00  02 39 17.97 +29 02 01.1  1.051  55.04   .298  16.5  73.3  83  21.2  -.2
1996 Apr 26 12  02 38 09.64 +28 30 44.8  1.066  54.23   .287  15.6  70.3  89  19.4  -.3
1996 Apr 27 00  02 37 00.01 +27 57 52.6  1.082  53.23   .278  14.7  67.0  95  17.5  -.4
1996 Apr 27 12  02 35 49.35 +27 23 18.4  1.097  52.01   .268  13.8  63.5 101  15.4  -.5
1996 Apr 28 00  02 34 38.01 +26 46 56.7  1.112  50.53   .260  12.9  59.8 107  13.0  -.6
1996 Apr 28 12  02 33 26.42 +26 08 43.4  1.126  48.77   .252  12.0  55.9 114  10.4  -.7
1996 Apr 29 00  02 32 15.11 +25 28 36.0  1.140  46.71   .246  11.1  51.9 120   7.3  -.8
1996 Apr 29 12  02 31 04.68 +24 46 34.5  1.153  44.33   .240  10.1  47.6 127   3.7  -.9
1996 Apr 30 00  02 29 55.82 +24 02 41.3  1.166  41.64   .236   9.2  43.3 133 359.4  -.9
1996 Apr 30 12  02 28 49.26 +23 17 02.2  1.177  38.66   .232   8.4  39.1 140 354.3 -1.0
1996 May  1 00  02 27 45.76 +22 29 46.0  1.188  35.44   .231   7.5  34.9 147 348.2 -1.0
1996 May  1 12  02 26 46.05 +21 41 04.4  1.198  32.04   .230   6.8  31.1 154 340.7 -1.0
1996 May  2 00  02 25 50.78 +20 51 11.5  1.206  28.53   .231   6.2  27.9 161 331.6 -1.0
1996 May  2 12  02 25 00.52 +20 00 22.8  1.214  25.00   .234   5.7  25.3 167 320.9  -.9
1996 May  3 00  02 24 15.67 +19 08 54.3  1.221  21.52   .237   5.4  23.6 173 308.7  -.8
1996 May  3 12  02 23 36.51 +18 17 01.6  1.227  18.16   .242   5.4  23.0 173 296.0  -.7
1996 May  4 00  02 23 03.18 +17 24 59.1  1.231  14.99   .248   5.6  23.3 167 283.8  -.6
1996 May  4 12  02 22 35.66 +16 32 59.3  1.235  12.03   .255   6.0  24.4 160 273.0  -.5
1996 May  5 00  02 22 13.85 +15 41 12.6  1.238   9.31   .263   6.6  26.0 153 263.8  -.3
1996 May  5 12  02 21 57.56 +14 49 47.3  1.241   6.83   .272   7.3  28.0 146 256.3  -.2
1996 May  6 00  02 21 46.55 +13 58 49.7  1.242   4.60   .281   8.0  30.1 138 250.2   .0
1996 May  6 12  02 21 40.54 +13 08 24.2  1.243   2.61   .291   8.9  32.3 131 245.2   .1
1996 May  7 00  02 21 39.25 +12 18 33.8  1.244    .84   .302   9.7  34.4 123 241.1   .3
1996 May  7 12  02 21 42.36 +11 29 20.1  1.244   -.74   .313  10.6  36.4 116 237.7   .4
1996 May  8 00  02 21 49.59 +10 40 43.8  1.244  -2.13   .324  11.5  38.3 109 234.8   .6
1996 May  8 12  02 22 00.68 +09 52 44.9  1.243  -3.35   .336  12.4  40.2 101 232.4   .7
1996 May  9 00  02 22 15.35 +09 05 22.8  1.242  -4.43   .348  13.3  41.9  94 230.3   .9
1996 May  9 12  02 22 33.36 +08 18 36.3  1.240  -5.37   .360  14.2  43.5  87 228.5  1.0
1996 May 10 00  02 22 54.49 +07 32 24.1  1.238  -6.20   .372  15.1  44.9  80 226.8  1.2
1996 May 10 12  02 23 18.54 +06 46 44.6  1.237  -6.93   .385  16.0  46.3  73 225.4  1.3
1996 May 11 00  02 23 45.33 +06 01 36.3  1.235  -7.56   .397  16.9  47.6  66 224.1  1.4
1996 May 11 12  02 24 14.68 +05 16 57.4  1.232  -8.11   .410  17.7  48.7  59 223.0  1.6
1996 May 12 00  02 24 46.45 +04 32 46.1  1.230  -8.59   .422  18.6  49.8  52 222.0  1.7
1996 May 12 12  02 25 20.49 +03 49 00.8  1.227  -9.00   .435  19.5  50.8  45 221.0  1.8
1996 May 13 00  02 25 56.68 +03 05 39.6  1.225  -9.36   .448  20.3  51.7  39 220.2  1.9
1996 May 13 12  02 26 34.91 +02 22 41.1  1.222  -9.66   .460  21.2  52.6  32 219.4  2.1
1996 May 14 00  02 27 15.08 +01 40 03.5  1.219  -9.92   .473  22.0  53.4  26 218.7  2.2
1996 May 14 12  02 27 57.09 +00 57 45.3  1.216 -10.14   .486  22.9  54.1  21 218.0  2.3
1996 May 15 00  02 28 40.87 +00 15 45.2  1.213 -10.31   .498  23.7  54.7  16 217.4  2.4
1996 May 15 12  02 29 26.34 -00 25 58.4  1.210 -10.46   .511  24.6  55.3  13 216.8  2.5
1996 May 16 00  02 30 13.44 -01 07 26.7  1.207 -10.57   .523  25.4  55.9  14 216.3  2.6
1996 May 16 12  02 31 02.10 -01 48 40.9  1.204 -10.65   .536  26.2  56.4  16 215.8  2.7
1996 May 17 00  02 31 52.27 -02 29 42.4  1.201 -10.71   .549  27.0  56.9  21 215.3  2.8
1996 May 17 12  02 32 43.90 -03 10 32.1  1.198 -10.74   .561  27.8  57.3  26 214.9  2.9
1996 May 18 00  02 33 36.94 -03 51 11.2  1.195 -10.75   .573  28.6  57.7  31 214.4  3.0
1996 May 18 12  02 34 31.36 -04 31 40.6  1.192 -10.74   .586  29.4  58.0  37 214.0  3.1
1996 May 19 00  02 35 27.13 -05 12 01.2  1.189 -10.71   .598  30.2  58.3  43 213.7  3.1
1996 May 19 12  02 36 24.21 -05 52 13.9  1.186 -10.66   .611  31.0  58.6  48 213.3  3.2
1996 May 20 00  02 37 22.57 -06 32 19.6  1.182 -10.59   .623  31.8  58.8  54 213.0  3.3
1996 May 20 12  02 38 22.18 -07 12 19.0  1.179 -10.51   .635  32.6  59.1  60 212.7  3.4
1996 May 21 00  02 39 23.04 -07 52 12.8  1.176 -10.41   .647  33.3  59.3  65 212.4  3.5
1996 May 21 12  02 40 25.10 -08 32 01.7  1.173 -10.30   .659  34.1  59.4  71 212.1  3.5
1996 May 22 00  02 41 28.37 -09 11 46.2  1.170 -10.17   .671  34.9  59.6  76 211.8  3.6
1996 May 22 12  02 42 32.82 -09 51 27.0  1.168 -10.03   .683  35.6  59.7  82 211.5  3.7
1996 May 23 00  02 43 38.44 -10 31 04.6  1.165  -9.88   .695  36.4  59.8  87 211.3  3.8
1996 May 23 12  02 44 45.23 -11 10 39.4  1.162  -9.72   .707  37.2  59.9  92 211.0  3.8
1996 May 24 00  02 45 53.16 -11 50 11.9  1.159  -9.54   .719  37.9  59.9  97 210.8  3.9
1996 May 24 12  02 47 02.24 -12 29 42.6  1.156  -9.35   .731  38.7  60.0 103 210.5  4.0
1996 May 25 00  02 48 12.46 -13 09 11.6  1.154  -9.16   .743  39.4  60.0 108 210.3  4.0
1996 May 25 12  02 49 23.82 -13 48 39.5  1.151  -8.95   .754  40.2  60.0 113 210.1  4.1
1996 May 26 00  02 50 36.31 -14 28 06.4  1.148  -8.73   .766  40.9  60.0 118 209.9  4.1
1996 May 26 12  02 51 49.93 -15 07 32.6  1.146  -8.50   .778  41.6  60.0 123 209.7  4.2
1996 May 27 00  02 53 04.68 -15 46 58.4  1.144  -8.27   .789  42.4  60.0 127 209.5  4.3
1996 May 27 12  02 54 20.57 -16 26 23.9  1.141  -8.02   .801  43.1  59.9 132 209.3  4.3
1996 May 28 00  02 55 37.59 -17 05 49.3  1.139  -7.77   .812  43.8  59.8 136 209.2  4.4
1996 May 28 12  02 56 55.75 -17 45 14.6  1.137  -7.50   .823  44.6  59.8 139 209.0  4.4
1996 May 29 00  02 58 15.05 -18 24 40.1  1.135  -7.23   .835  45.3  59.7 142 208.8  4.5
1996 May 29 12  02 59 35.51 -19 04 05.7  1.133  -6.95   .846  46.0  59.6 145 208.7  4.5
1996 May 30 00  03 00 57.12 -19 43 31.5  1.131  -6.66   .857  46.7  59.4 146 208.5  4.6
1996 May 30 12  03 02 19.90 -20 22 57.5  1.129  -6.37   .869  47.5  59.3 146 208.3  4.7
1996 May 31 00  03 03 43.86 -21 02 23.6  1.127  -6.06   .880  48.2  59.2 145 208.2  4.7
1996 May 31 12  03 05 09.00 -21 41 49.8  1.125  -5.75   .891  48.9  59.0 143 208.0  4.8
1996 Jun  1 00  03 06 35.33 -22 21 16.0  1.124  -5.43   .902  49.6  58.9 140 207.9  4.8
1996 Jun  1 12  03 08 02.87 -23 00 42.1  1.122  -5.11   .913  50.3  58.7 136 207.8  4.9
1996 Jun  2 00  03 09 31.63 -23 40 08.0  1.121  -4.78   .924  51.0  58.5 131 207.6  4.9
1996 Jun  2 12  03 11 01.63 -24 19 33.6  1.119  -4.44   .935  51.7  58.4 127 207.5  5.0
1996 Jun  3 00  03 12 32.87 -24 58 58.5  1.118  -4.09   .946  52.4  58.2 121 207.4  5.0
1996 Jun  3 12  03 14 05.37 -25 38 22.7  1.117  -3.74   .957  53.1  58.0 116 207.2  5.0
1996 Jun  4 00  03 15 39.16 -26 17 45.9  1.116  -3.38   .967  53.8  57.8 111 207.1  5.1
1996 Jun  4 12  03 17 14.23 -26 57 07.9  1.115  -3.02   .978  54.4  57.5 105 207.0  5.1
1996 Jun  5 00  03 18 50.62 -27 36 28.4  1.114  -2.65   .989  55.1  57.3 100 206.8  5.2
1996 Jun  5 12  03 20 28.34 -28 15 47.0  1.113  -2.27  1.000  55.8  57.1  95 206.7  5.2
1996 Jun  6 00  03 22 07.41 -28 55 03.6  1.113  -1.89  1.010  56.5  56.9  89 206.6  5.3
1996 Jun  6 12  03 23 47.85 -29 34 17.7  1.112  -1.51  1.021  57.1  56.6  84 206.5  5.3
1996 Jun  7 00  03 25 29.67 -30 13 29.0  1.112  -1.12  1.031  57.8  56.4  80 206.4  5.4
1996 Jun  7 12  03 27 12.91 -30 52 37.2  1.112   -.72  1.042  58.5  56.1  75 206.2  5.4
1996 Jun  8 00  03 28 57.57 -31 31 41.8  1.112   -.32  1.053  59.1  55.9  71 206.1  5.5
1996 Jun  8 12  03 30 43.68 -32 10 42.5  1.112    .09  1.063  59.8  55.6  67 206.0  5.5
1996 Jun  9 00  03 32 31.27 -32 49 38.8  1.112    .50  1.073  60.4  55.3  63 205.9  5.5
1996 Jun  9 12  03 34 20.36 -33 28 30.3  1.112    .91  1.084  61.1  55.1  60 205.8  5.6
1996 Jun 10 00  03 36 10.96 -34 07 16.6  1.112   1.33  1.094  61.7  54.8  58 205.7  5.6
1996 Jun 10 12  03 38 03.12 -34 45 57.1  1.113   1.75  1.104  62.3  54.5  56 205.6  5.7
1996 Jun 11 00  03 39 56.84 -35 24 31.4  1.113   2.17  1.115  63.0  54.2  54 205.4  5.7
1996 Jun 11 12  03 41 52.16 -36 02 59.0  1.114   2.60  1.125  63.6  53.9  53 205.3  5.7
1996 Jun 12 00  03 43 49.10 -36 41 19.3  1.115   3.04  1.135  64.2  53.7  53 205.2  5.8
1996 Jun 12 12  03 45 47.70 -37 19 31.9  1.116   3.47  1.145  64.8  53.4  53 205.1  5.8
1996 Jun 13 00  03 47 47.97 -37 57 36.3  1.117   3.91  1.155  65.4  53.1  53 205.0  5.9
1996 Jun 13 12  03 49 49.96 -38 35 31.8  1.118   4.35  1.166  66.0  52.8  54 204.8  5.9
1996 Jun 14 00  03 51 53.68 -39 13 18.0  1.119   4.79  1.176  66.6  52.5  56 204.7  5.9
1996 Jun 14 12  03 53 59.16 -39 50 54.2  1.121   5.24  1.186  67.2  52.2  58 204.6  6.0
1996 Jun 15 00  03 56 06.44 -40 28 20.0  1.122   5.69  1.196  67.8  51.9  60 204.5  6.0
1996 Jun 15 12  03 58 15.55 -41 05 34.7  1.124   6.14  1.206  68.4  51.6  62 204.3  6.1
1996 Jun 16 00  04 00 26.52 -41 42 37.8  1.126   6.59  1.216  68.9  51.3  64 204.2  6.1
1996 Jun 16 12  04 02 39.39 -42 19 28.7  1.128   7.04  1.226  69.5  50.9  67 204.1  6.1
1996 Jun 17 00  04 04 54.18 -42 56 06.7  1.130   7.49  1.235  70.1  50.6  69 203.9  6.2
1996 Jun 17 12  04 07 10.92 -43 32 31.4  1.132   7.95  1.245  70.6  50.3  72 203.8  6.2
1996 Jun 18 00  04 09 29.66 -44 08 42.1  1.134   8.41  1.255  71.2  50.0  75 203.7  6.3
1996 Jun 18 12  04 11 50.43 -44 44 38.3  1.137   8.86  1.265  71.7  49.7  77 203.5  6.3
1996 Jun 19 00  04 14 13.26 -45 20 19.3  1.140   9.32  1.275  72.2  49.4  80 203.4  6.3
1996 Jun 19 12  04 16 38.19 -45 55 44.5  1.142   9.78  1.284  72.8  49.1  83 203.2  6.4
1996 Jun 20 00  04 19 05.25 -46 30 53.5  1.145  10.23  1.294  73.3  48.8  85 203.1  6.4




R.A. J2000  Dec. = Geocentric astrometric right ascension and declination
                   referred to the mean equator and equinox of J2000.
                   Light time corrections have been applied

Delta            = Geocentric distance of object in AU

Deldot           = Geocentric radial velocity of object in km/s

r                = Heliocentric distance of object in AU

Theta            = Sun-Earth-Object angle in degrees

Beta             = Sun-Object-Earth angle in degrees

Moon             = Object-Earth-Moon angle in degrees

PsAng            = Position angle of extended radius vector in degrees

TMag             = Approximate Total magnitude
                 =  5.0 + 5.0*log(Delta) + 10.0*log(r)

 
comethome.gif Comet 1996 B2 Hyakutake Home Page

clrbar.gif

jplred.gif