PSR Discoveries

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


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

FebUT *RA(1950)Dec(1950)RA (date)Dec (date)MagPhaseSolarAir-rDeltaTrackRates
97hrhh:mm:ssdd:mm:ashh:mm:ssdd:mm:asVAngleElongmass[AU][AU]RA Dec "/s
116:00a19:39:53.94+15:40:56.119:42:02.64+15:47:38.6+0.977-26.5838.13.7471.3601.991-0.02560.0203
216:00a19:42:23.75+16:10:17.219:44:32.02+16:17:09.0+0.918-27.0838.53.6401.3481.971-0.02620.0208
316:00a19:44:56.93+16:40:17.719:47:04.76+16:47:18.8+0.859-27.5838.93.5411.3361.952-0.02680.0213
416:00a19:47:33.62+17:10:58.119:49:41.00+17:18:08.9+0.799-28.0939.23.4501.3241.932-0.02740.0217
516:00a19:50:13.99+17:42:19.219:52:20.93+17:49:39.7+0.739-28.6139.63.3661.3131.912-0.02810.0222
616:00a19:52:58.21+18:14:21.419:55:04.70+18:21:51.9+0.679-29.1340.03.2891.3011.892-0.02870.0227
716:00a19:55:46.47+18:47:05.419:57:52.50+18:54:46.0+0.619-29.6640.33.2181.2891.873-0.02940.0232
816:00a19:58:38.95+19:20:31.520:00:44.53+19:28:22.5+0.558-30.2040.73.1521.2781.853-0.03020.0237
915:0020:01:28.41+19:53:13.620:03:33.55+20:01:14.6+0.499-30.7141.09.8701.2671.834--------
916:00a20:01:35.87+19:54:40.220:03:40.99+20:02:41.7+0.497-30.7441.03.0921.2671.833-0.03100.0242
1015:0020:04:29.79+20:28:03.420:06:34.47+20:36:15.1+0.438-31.2641.39.3141.2561.815--------
1016:00a20:04:37.44+20:29:31.820:06:42.10+20:37:43.9+0.435-31.2841.33.0371.2551.814-0.03180.0247
1115:0020:07:36.04+21:03:36.220:09:40.26+21:11:58.7+0.376-31.8141.68.8271.2441.795--------
1116:00a20:07:43.90+21:05:06.420:09:48.10+21:13:29.4+0.374-31.8341.72.9871.2441.794-0.03270.0252
1215:0020:10:47.41+21:39:52.120:12:51.18+21:48:25.8+0.315-32.3642.08.4001.2331.776--------
1216:00a20:10:55.49+21:41:24.220:12:59.24+21:49:58.3+0.312-32.3942.02.9411.2331.775-0.03360.0257
1315:0020:14:04.16+22:16:51.220:16:07.48+22:25:36.2+0.253-32.9242.38.0261.2221.757--------
1316:00a20:14:12.47+22:18:25.020:16:15.77+22:27:10.5+0.250-32.9542.32.8991.2221.756-0.03450.0262
1415:0020:17:26.57+22:54:33.220:19:29.44+23:03:29.7+0.191-33.4942.67.6991.2111.737--------
1416:00a20:17:35.12+22:56:08.920:19:37.97+23:05:05.9+0.188-33.5142.62.8621.2111.737-0.03550.0267
1515:0020:20:54.93+23:32:57.920:22:57.36+23:42:06.1+0.129-34.0542.97.4131.2001.718--------
1516:00a20:21:03.74+23:34:35.320:23:06.15+23:43:44.1+0.126-34.0842.92.8281.2001.718-0.03660.0272
1615:0020:24:29.56+24:12:04.720:26:31.56+24:21:24.9+0.067-34.6243.27.1641.1901.700--------
1616:00a20:24:38.63+24:13:44.020:26:40.61+24:23:04.6+0.064-34.6443.22.7981.1891.699-0.03770.0277
1715:0020:28:10.78+24:51:53.120:30:12.35+25:01:25.4+0.005-35.19:43.46.9471.1791.681--------
1716:00a20:28:20.13+24:53:34.020:30:21.69+25:03:06.9+0.002-35.2243.42.7721.1781.680-0.03890.0282
1815:0020:31:58.93+25:32:21.920:34:0.09+25:42:06.7-0.057-35.7743.76.7591.1681.663--------
1816:00a20:32:08.58+25:34:04.620:34:9.73+25:43:49.8-0.060-35.7943.72.7501.1681.662-0.04010.0287
1915:0020:35:54.38+26:13:30.220:37:55.15+26:23:27.6-0.119-36.3444.06.5981.1581.645--------
1916:00a20:36:04.35+26:15:14.520:38:05.10+26:25:12.4-0.121-36.3744.02.7321.1581.644-0.04140.0291
2015:0020:39:57.52+26:55:16.420:41:57.91+27:05:26.7-0.180-36.9244.26.4611.1481.627--------
2016:00n20:40:07.81+26:57:02.320:42:08.19+27:07:13.1-0.183-36.9444.22.7171.1471.626-0.04280.0295
2115:0020:44:08.73+27:37:38.920:46:08.77+27:48:02.3-0.242-37.4944.46.3471.1381.609--------
2116:00n20:44:19.36+27:39:26.220:46:19.39+27:49:50.1-0.244-37.5244.42.7061.1371.608-0.04430.0300
2215:0020:48:28.44+28:20:35.520:50:28.16+28:31:12.2-0.303-38.0744.66.2551.1281.592--------
2216:00n20:48:39.44+28:22:24.220:50:39.14+28:33:01.5-0.305-38.0944.72.6991.1271.591-0.04580.0304
2315:0020:52:57.08+29:04:03.720:54:56.51+29:14:54.0-0.363-38.6444.96.1831.1181.574--------
2316:00n20:53:08.47+29:05:53.720:55:07.88+29:16:44.5-0.366-38.6744.92.6951.1171.574-0.04740.0307
2415:0020:57:35.12+29:48:00.720:59:34.28+29:59:04.7-0.423-39.2245.06.1321.1081.558--------
2416:00n20:57:46.90+29:49:51.920:59:46.05+30:00:56.5-0.426-39.2445.12.6961.1081.557-0.04910.0310
2515:0021:02:23.00+30:32:23.221:04:21.95+30:43:41.2-0.483-39.7845.26.1001.0981.541--------
2516:00n21:02:35.21+30:34:15.421:04:34.15+30:45:33.9-0.486-39.8145.22.7011.0981.541-0.05080.0313
2615:0021:07:21.23+31:17:07.321:09:20.01+31:28:39.4-0.542-40.3545.46.0881.0891.525--------
2616:00n21:07:33.87+31:19:00.321:09:32.65+31:30:33.0-0.545-40.3745.42.7101.0891.525-0.05270.0315
2715:0021:12:30.28+32:02:08.721:14:28.94+32:13:55.1-0.601-40.9145.56.0971.0801.510--------
2716:00n21:12:43.39+32:04:02.321:14:42.05+32:15:49.4-0.603-40.9345.62.7231.0791.509-0.05460.0317
2815:0021:17:50.66+32:47:22.521:19:49.28+32:59:23.4-0.658-41.4645.76.1271.0711.495--------
2816:00n21:18:04.26+32:49:16.521:20:02.87+33:01:18.0-0.661-41.4845.72.7411.0701.494-0.05660.0318

* 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 Comet Hale-Bopp:
Semi-major axis = -0.9141047
Ascending node = 281.77208
Eccentricity = 0.9950989
Perihelion = 130.59690
Inclination = 89.42742
Mean anomaly = -0.00740
Epoch: 13 Mar 1997
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)


Return to "Ephemeris Generators for Comet Hale-Bopp."
Go to "1997 Apparition of Comet Hale-Bopp" in PSR Discoveries.