PSR Discoveries

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

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

Mar UT ^* RA(1950) Dec(1950) RA (date) Dec (date) Mag Phase Solar Air- r Delta Track Rates
97 hr hh:mm:ss dd:mm:as hh:mm:ss dd:mm:as V Angle Elong mass [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 --- ---
1 16:01n 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 -0.0587 0.0319
2 15:01 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 --- ---
2 16:01n 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 --- ---
3 16:01n 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 --- ---
7 16:01n 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)

Return to "Ephemeris Generators for Comet Hale-Bopp."

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

Mar	UT ^*	RA(1950)	Dec(1950)	RA (date)	Dec (date)	Mag	Phase	Solar	Air-	r	Delta	Track	Rates
97	hr	hh:mm:ss	dd:mm:as	hh:mm:ss	dd:mm:as	V	Angle	Elong	mass	[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	---	---
1	16:01n	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	-0.0587	0.0319
2	15:01	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	---	---
2	16:01n	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	---	---
3	16:01n	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	---	---
7	16:01n	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