PSR Discoveries

Ephemeris for Comet Hale-Bopp - March 1997 from Mauna Kea


(This table is wider than standard 8.5-inch paper.)

MarUT *RA(1950)Dec(1950)RA (date)Dec (date)MagPhaseSolarAir-rDeltaTrackRates
97hrhh:mm:ssdd:mm:ashh:mm:ssdd:mm:asVAngleElongmass[AU][AU]RA Dec "/s
1 15:01 21:23:23.12 +33:32:45.0 21:25:21.75 +33:45:0.5 -0.715 -42.01 45.8 6.057 1.062 1.480------
116:01n 21 23 37.22 +33 34 39.2 21 25 35.85 +33:46:55.4 -0.717 -42.03 45.8 2.740 1.061 1.479 -0.05870.0319
215:01 21 29 7.70 +34 18 6.4 21 31 6.42 +34 30 36.6 -0.771 -42.54 45.9 6.132 1.053 1.466------
216:01n 21 29 22.32 +34 20 0.5 21 31 21.05 +34:32:31.3 -0.773 -42.56 45.9 2.769 1.053 1.465 -0.0609 0.0319
3 15:01 21 35 5.11 +35 03 21.7 21 37 4.01 +35 16 6.6 -0.826 -43.07 46.0 6.233 1.045 1.452 --- ---
316:01n 21 35 20.28 +35 05 15.4 21 37 19.19 +35 18 1.0 -0.828 -43.09 46.0 2.803 1.044 1.451 -0.0632 0.0318
4 15:01 21 41 15.84 +35 48 23.4 21 43 15.03 +36 01 23.1 -0.879 -43.58 46.1 6.363 1.036 1.439 --- ---
4 16:01n 21 41 31.58 +35 50 16.4 21 43 30.77 +36 03 16.8 -0.881 -43.60 46.1 2.844 1.036 1.438 -0.0656 0.0316
5 15:01 21 47 40.35 +36 33 3.4 21 49 39.92 +36 46 17.8 -0.932 -44.09 46.1 6.526 1.028 1.426 --- ---
5 16:01n 21 47 56.67 +36 34 55.4 21 49 56.26 +36 48 10.4 -0.934 -44.11 46.2 2.892 1.028 1.425 -0.0681 0.0313
6 15:01 21 54 19.07 +37 17 12.7 21 56 19.14 +37 30 41.7 -0.983 -44.57 46.2 6.725 1.020 1.414 --- ---
6 16:01n 21 54 35.99 +37 19 3.3 21 56 36.08 +37 32 32.9 -0.985 -44.59 46.2 2.948 1.020 1.413 -0.0706 0.0309
7 15:01 22 01 12.36 +38 00 41.9 22 03 13.06 +38 14 25.2 -1.032 -45.04 46.2 6.968 1.013 1.402 --- ---
716:01n 22 01 29.90 +38 02 30.5 22 03 30.62 +38 16 14.5 -1.034 -45.06 46.2 3.012 1.012 1.402 -0.0732 0.0303
8 15:01 22 08 20.54 +38 43 20.5 22 10 22.01 +38 57 18.0 -1.080 -45.50 46.2 7.263 1.005 1.391 --- ---
8 16:01n 22 08 38.71 +38 45 6.8 22 10 40.21 +38 59 4.9 -1.082 -45.52 46.2 3.086 1.005 1.391 -0.0758 0.0297
9 15:01 22 15 43.87 +39 24 57.7 22 17 46.25 +39 39 9.0 -1.127 -45.93 46.2 7.619 0.998 1.381 --- ---
9 16:01n 22 16 2.67 +39 26 41.2 22 18 5.09 +39 40 53.1 -1.128 -45.95 46.2 3.171 0.998 1.381 -0.0785 0.0289
10 15:01 22 23 22.48 +40 05 22.0 22 25 25.93 +40 19 46.6 -1.171 -46.35 46.2 8.051 0.991 1.372 --- ---
10 16:01n 22 23 41.92 +40 07 2.3 22 25 45.43 +40 21 27.4 -1.173 -46.36 46.2 3.268 0.991 1.371 -0.0812 0.0280
11 15:01 22 31 16.42 +40 44 21.5 22 33 21.11 +40 58 58.8 -1.214 -46.74 46.2 8.574 0.985 1.363 --- ---
11 16:01n 22 31 36.50 +40 45 58.0 22 33 41.25 +41 00 35.9 -1.216 -46.75 46.2 3.379 0.984 1.362 -0.0839 0.0269
12 15:01 22 39 25.61 +41 21 43.8 22 41 31.71 +41 36 33.2 -1.255 -47.10 46.1 9.210 0.978 1.354 --- ---
12 16:01n 22 39 46.33 +41 23 16.0 22 41 52.50 +41 38 5.9 -1.256 -47.12 46.1 3.506 0.978 1.354 -0.0866 0.0257
13 15:01 22 47 49.83 +41 57 16.3 22 49 57.52 +42 12 17.0 -1.293 -47.44 46.1 9.985 0.972 1.347 --- ---
13 16:01n 22 48 11.17 +41 58 43.7 22 50 18.93 +42 13 44.8 -1.295 -47.46 46.1 3.652 0.972 1.347 -0.0892 0.0244
14 16:01n 22 56 50.62 +42 32 8.5 22 59 0.15 +42 47 19.9 -1.331 -47.77 46.0 3.820 0.966 1.340 -0.0917 0.0229
15 16:01n 23 05 44.13 +43 03 17.8 23 07 55.61 +43 18 38.5 -1.365 -48.05 45.9 4.014 0.960 1.334 -0.0942 0.0212
16 16:01n 23 14 50.93 +43 31 59.6 23 17 4.54 +43 47 28.2 -1.397 -48.31 45.8 4.240 0.955 1.329 -0.0965 0.0195
17 16:01n 23 24 10.08 +43 58 2.1 23 26 25.97 +44 13 37.3 -1.426 -48.53 45.7 4.503 0.950 1.325 -0.0986 0.0175
18 5:01n 23 29 16.56 +44 10 57.2 23 31 33.75 +44 26 35.5 -1.441 -48.63 45.6 9.964 0.947 1.323 --- ---
18 16:01n 23 33 40.43 +44 21 14.4 23 35 58.75 +44 36 54.8 -1.453 -48.71 45.5 4.813 0.945 1.321 -0.1004 0.0155
19 5:01n 23 38 52.42 +44 32 33.4 23 41 12.11 +44 48 16.0 -1.466 -48.80 45.4 8.549 0.943 1.320 --- ---
19 16:01n 23 43 20.64 +44 41 26.7 23 45 41.53 +44 57 10.8 -1.477 -48.87 45.4 5.181 0.941 1.318 -0.1021 0.0133
20 5:01n 23 48 37.34 +44 51 4.8 23 50 59.67 +45 06 50.1 -1.489 -48.93 45.3 7.447 0.939 1.317 --- ---
20 16:01n 23 53 9.19 +44 58 30.4 23 55 32.77 +45 14 16.4 -1.499 -48.98 45.2 5.621 0.937 1.317 -0.1034 0.0111
21 5:01n 23 58 29.71 +45 06 23.4 00 00 54.77 +45 22 9.7 -1.509 -49.03 45.1 6.583 0.935 1.316 --- ---
21 16:01n 00 03 4.41 +45 12 18.2 00 05 30.75 +45 28 4.4 -1.518 49.06 45.0 6.156 0.933 1.315 --- ---
22 5:01n 00 08 27.78 +45 18 22.9 00 10 55.64 +45 34 8.4 -1.527 49.09 44.9 5.894 0.931 1.315 --- ---
22 16:01n 00 13 4.47 +45 22 44.6 00 15 33.63 +45 38 29.1 -1.534 49.11 44.8 6.813 0.930 1.315 --- ---
23 5:01n 00 18 29.67 +45 26 58.7 00 21 0.37 +45 42 41.6 -1.541 49.12 44.7 5.337 0.928 1.315 --- ---
23 16:01n 00 23 7.46 +45 29 45.7 00 25 39.47 +45 45 26.7 -1.547 49.12 44.6 7.632 0.927 1.316 --- ---
24 5:01n 00 28 33.42 +45 32 7.8 00 31 6.97 +45 47 46.3 -1.553 49.10 44.5 4.879 0.925 1.316 --- ---
24 16:01c 00 33 11.40 +45 33 19.5 00 35 46.25 +45 48 55.3 -1.557 49.08 44.4 8.668 0.924 1.317 --- ---
25 5:01n 00 38 37.04 +45 33 49.4 00 41 13.41 +45 49 21.6 -1.562 49.05 44.3 4.498 0.923 1.318 --- ---
25 16:01c 00 43 14.28 +45 33 25.9 00 45 51.94 +45 48 54.6 -1.565 49.01 44.2 9.987 0.921 1.319 --- ---
26 5:01n 00 48 38.52 +45 32 4.3 00 51 17.66 +45 47 28.5 -1.568 48.96 44.1 4.177 0.920 1.321 --- ---
27 5:01n 00 58 35.90 +45 26 55.4 01 01 17.73 +45 42 9.8 -1.571 48.83 43.9 3.904 0.918 1.324 --- ---
28 5:01n 01 08 27.30 +45 18 27.1 01 11 11.72 +45 33 30.2 -1.571 48.67 43.6 3.671 0.917 1.328 --- ---
28 6:01 01 08 51.80 +45 18 0.5 01 11 36.32 +45 33 3.1 -1.571 48.66 43.6 9.258 0.917 1.328 -0.1025 -0.0075
29 5:01n 01 18 10.98 +45 06 45.6 01 20 57.84 +45 21 35.8 -1.569 48.46 43.3 3.469 0.916 1.333 --- ---
29 6:01 01 18 35.12 +45 06 11.1 01 21 22.07 +45 21 0.8 -1.569 48.46 43.3 8.217 0.916 1.333 -0.1010 -0.0097
30 5:01n 01 27 45.31 +44 51 58.6 01 30 34.46 +45 06 34.6 -1.564 48.23 43.1 3.293 0.915 1.339 --- ---
30 6:01 01 28 9.02 +44 51 16.6 01 30 58.26 +45 05 52.0 -1.563 48.21 43.1 7.395 0.915 1.339 -0.0992 -0.0118
31 5:01n 01 37 8.86 +44 34 15.0 01 40 0.12 +44 48 35.6 -1.556 47.95 42.8 3.140 0.914 1.345 --- ---
31 6:01 01 37 32.09 +44 33 25.9 01 40 23.43 +44 47 45.8 -1.555 47.94 42.8 6.738 0.914 1.346 -0.0971 -0.0138

* KEY: UT = time in Greenwich England (=HST + 10 hours),
c = UT time is during local civil twilight (sun 0-6 degrees below horizon),
n = UT time is during local nautical twilight (sun 6-12 degrees below horizon),
a = UT time is during local astronomical twilight (sun 12-18 degrees below horizon).

Osculating elements for Semi-major axis = -0.9141047
Ascending node = 281.77208
Eccentricity = 0.9950989
Perihelion = 130.59690
Epoch: 13 Mar 1997
Inclination = 89.42742
Mean anomaly = -0.00740
Source: MPC28557

Topocentric ephemeris for Mauna Kea Observatory Assumed sidereal tracking rate: 0.0000 Two-body ephemeris computations by David J. Tholen, Institute for Astronomy, Univ. of Hawaii (808-956-6930)


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Go to "1997 Apparition of Comet Hale-Bopp" in PSR Discoveries.