5143 Heracles — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.7711709670 ± 6.95e-09
Semi-major axis (a)	1.8347564263 AU ± 8.81e-10
Inclination (i)	8.97896809° ± 6.58e-07
Long. of Asc. Node (Ω)	309.09682018° ± 6.17e-06
Arg. of Perihelion (ω)	228.20701038° ± 5.99e-06
Mean Anomaly (M)	204.11730697° ± 8.55e-07
Mean Motion (n)	0.3965926397°/day ± 2.86e-10
Perihelion dist (q)	0.41984554 AU ± 1.28e-08
Aphelion dist (Q)	3.24966731 AU ± 1.28e-08
Orbital Period	2.48523594 yr ± 1.79e-09

Physical Parameters

H (abs. magnitude)	14.04
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.196″
Uncertainty	0
Orbit Type	Apollo
MOID	0.057437 AU
Observations Used	4548
Radar Obs Used	1
Gaia Obs Used	175
Oppositions	38
Arc Total	1953-2026
First Observation Used	1953-11-30
Last Observation Used	2026-01-01

Observations (4888)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-08-17 10:38:44	C	00 04 51.15	+09 45 32.4	–	V	T05
2020-08-17 10:39:23	C	00 04 51.13	+09 45 32.3	–	V	T05
2020-08-17 10:46:43	C	00 04 50.83	+09 45 31.2	–	V	T05
2020-08-17 10:52:14	C	00 04 50.52	+09 45 30.1	–	V	G96
2020-08-17 11:08:40	C	00 04 50.00	+09 45 29.0	–	V	T05
2020-08-17 11:09:19	C	00 04 49.98	+09 45 29.1	–	V	T05
2020-08-17 11:14:40	C	00 04 49.86	+09 45 28.5	–	V	T05
2020-08-17 11:24:35	C	00 04 49.46	+09 45 27.5	–	V	T05
2020-08-17 11:29:12	C	00 04 49.29	+09 45 27.0	–	V	T05
2020-08-19 10:25:15	C	00 03 05.97	+09 40 09.7	–	V	T08
2020-08-19 10:35:13	C	00 03 05.61	+09 40 08.5	–	V	T08
2020-08-19 10:38:33	C	00 03 05.49	+09 40 07.9	–	V	T08
2020-08-19 11:21:47	C	00 03 03.79	+09 40 03.2	–	V	T08
2020-08-21 11:21:36	C	00 01 13.24	+09 33 55.8	–	V	T05
2020-08-21 11:25:36	C	00 01 12.99	+09 33 56.3	–	V	T05
2020-08-21 11:29:39	C	00 01 12.87	+09 33 55.2	–	V	T05
2020-08-21 11:36:54	C	00 01 12.60	+09 33 54.5	–	V	T05
2020-08-22 11:19:51	C	00 00 16.20	+09 30 37.9	–	V	T05
2020-08-22 11:24:31	C	00 00 16.03	+09 30 36.6	–	V	T05
2020-08-22 11:29:10	C	00 00 15.83	+09 30 37.0	–	V	T05
2020-08-22 12:07:00	C	00 00 14.27	+09 30 30.5	–	V	T05
2020-08-23 09:33:37	C	23 59 22.48	+09 27 24.9	–	V	T08
2020-08-23 10:11:33	C	23 59 20.87	+09 27 18.9	–	V	T08
2020-08-23 10:31:29	C	23 59 20.01	+09 27 16.2	–	V	T08
2020-08-23 10:42:47	C	23 59 19.55	+09 27 14.2	–	V	T08
2020-08-26 11:24:59	C	23 56 16.83	+09 15 39.2	–	V	T05
2020-08-26 11:29:03	C	23 56 16.58	+09 15 38.2	–	V	T05
2020-08-26 12:07:15	C	23 56 14.93	+09 15 32.3	–	V	T05
2020-08-26 12:15:06	C	23 56 14.62	+09 15 30.6	–	V	T05
2020-08-27 09:35:27	C	23 55 19.18	+09 11 47.8	–	U	I41
2020-08-27 10:29:13	C	23 55 16.79	+09 11 38.4	–	U	I41
2020-08-27 12:59:11	C	23 55 10.253	+09 11 12.69	–	U	F52
2020-08-27 13:15:55	C	23 55 09.508	+09 11 09.68	–	U	F52
2020-08-27 13:32:41	C	23 55 08.758	+09 11 06.76	–	U	F52
2020-08-27 13:49:26	C	23 55 08.012	+09 11 03.67	–	U	F52
2020-08-28 12:24:02	C	23 54 08.50	+09 06 58.8	–	V	T08
2020-08-28 12:28:03	C	23 54 08.33	+09 06 58.5	–	V	T08
2020-08-28 13:09:25	C	23 54 06.44	+09 06 50.7	–	V	T08
2020-08-28 13:22:23	C	23 54 05.86	+09 06 48.0	–	V	T08
2020-08-29 07:52:01	C	23 53 16.55	+09 03 20.0	–	U	I41
2020-08-29 07:58:45	C	23 53 16.24	+09 03 18.8	–	U	I41
2020-08-29 11:53:52	C	23 53 05.63	+09 02 35.1	–	V	T05
2020-08-29 12:34:45	C	23 53 03.76	+09 02 27.1	–	V	T05
2020-08-29 13:15:28	C	23 53 01.92	+09 02 19.5	–	V	T05
2020-08-29 13:51:05	C	23 53 00.27	+09 02 12.6	–	V	T05
2020-09-06 08:18:41	C	23 44 14.92	+08 21 56.0	–	V	703
2020-09-06 08:27:13	C	23 44 14.54	+08 21 53.0	–	V	703
2020-09-06 08:44:18	C	23 44 13.57	+08 21 49.4	–	V	703
2020-09-06 17:01:37	C	23 43 49.40	+08 19 48.8	–	q	D29
2020-09-06 17:02:23	C	23 43 49.36	+08 19 49.4	–	q	D29

« Prev 1 2 … 57 58 59 … 97 98 Next » 4888 observations

5143 Heracles (1991 VL)