5143 Heracles (1991 VL)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
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 Period2.48523594 yr ± 1.79e-09
Physical Parameters
H (abs. magnitude)14.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.196″
Uncertainty0
Orbit TypeApollo
MOID0.057437 AU
Observations Used4548
Radar Obs Used1
Gaia Obs Used175
Oppositions38
Arc Total1953-2026
First Observation Used1953-11-30
Last Observation Used2026-01-01
Observations (4888)
Date Type RA Dec Mag Band Observatory
2023-11-03 08:48:58 C 23 56 55.409 +13 01 53.11 V T05
2023-11-03 08:53:02 C 23 56 55.214 +13 01 51.67 V T05
2023-11-03 09:00:24 C 23 56 54.900 +13 01 48.65 V T05
2023-11-03 09:19:03 C 23 56 54.048 +13 01 41.23 V T05
2023-11-03 19:55:52 B 23 56 26.172 +12 57 26.14 V L65
2023-11-03 20:03:40 B 23 56 25.831 +12 57 22.75 V L65
2023-11-03 20:11:26 B 23 56 25.500 +12 57 19.98 V L65
2023-11-04 02:26:28 C 23 56 09.048 +12 54 57.64 V W68
2023-11-04 02:31:04 C 23 56 08.861 +12 54 55.84 V W68
2023-11-04 02:40:13 C 23 56 08.424 +12 54 52.09 V W68
2023-11-04 02:54:40 C 23 56 07.778 +12 54 46.48 V W68
2023-11-05 05:18:34 C 23 55 00.281 +12 44 18.68 X F52
2023-11-05 05:28:53 C 23 54 59.612 +12 44 13.78 V G96
2023-11-05 05:35:20 C 23 54 59.554 +12 44 12.15 X F52
2023-11-05 05:36:24 C 23 54 59.285 +12 44 10.86 V G96
2023-11-05 05:43:54 C 23 54 58.961 +12 44 07.94 V G96
2023-11-05 05:51:23 C 23 54 58.637 +12 44 04.99 V G96
2023-11-05 05:52:09 C 23 54 58.829 +12 44 05.58 X F52
2023-11-05 06:09:04 C 23 54 58.093 +12 43 58.98 X F52
2023-11-05 08:09:31 C 23 54 52.879 +12 43 11.89 V T05
2023-11-05 08:15:11 C 23 54 52.610 +12 43 09.34 V T05
2023-11-05 08:23:41 C 23 54 52.260 +12 43 06.17 V T05
2023-11-05 08:42:10 C 23 54 51.449 +12 42 59.08 V T05
2023-11-06 02:43:47 C 23 54 06.583 +12 36 00.90 V W68
2023-11-06 02:48:21 C 23 54 06.401 +12 35 59.17 V W68
2023-11-06 03:13:55 C 23 54 05.316 +12 35 49.02 V W68
2023-11-06 21:08:43 C 23 53 21.72 +12 28 46.8 q L04
2023-11-06 21:16:50 C 23 53 21.40 +12 28 43.6 q L04
2023-11-06 21:24:58 C 23 53 21.06 +12 28 40.7 q L04
2023-11-07 02:18:00 C 23 53 09.406 +12 26 53.45 V W68
2023-11-07 02:22:35 C 23 53 09.230 +12 26 51.68 V W68
2023-11-07 02:30:23 C 23 53 08.887 +12 26 48.55 V W68
2023-11-07 02:49:27 C 23 53 08.170 +12 26 41.28 V W68
2023-11-07 04:11:39 C 23 53 04.945 +12 26 04.74 V 703
2023-11-07 04:19:21 C 23 53 04.621 +12 26 02.00 V 703
2023-11-07 04:27:04 C 23 53 04.319 +12 25 58.84 V 703
2023-11-07 04:34:46 C 23 53 03.995 +12 25 56.14 V 703
2023-11-09 04:31:30 C 23 51 13.324 +12 07 41.30 V 703
2023-11-09 04:39:05 C 23 51 13.032 +12 07 38.46 V 703
2023-11-09 04:46:39 C 23 51 12.751 +12 07 35.47 V 703
2023-11-09 04:54:13 C 23 51 12.445 +12 07 32.92 V 703
2023-11-11 07:56:19 C 23 49 22.728 +11 48 38.38 V T05
2023-11-11 08:01:05 C 23 49 22.548 +11 48 36.65 V T05
2023-11-11 08:08:59 C 23 49 22.253 +11 48 33.95 V T05
2023-11-11 08:57:47 C 23 49 20.515 +11 48 15.88 V T05
2023-11-11 19:22:49 C 23 48 59.352 +11 44 32.39 V M22
2023-11-11 19:27:26 C 23 48 59.182 +11 44 30.48 V M22
2023-11-11 19:35:21 C 23 48 58.968 +11 44 27.82 V M22
2023-11-11 19:50:48 C 23 48 58.392 +11 44 22.67 V M22
2023-11-13 01:18:36 C 23 48 00.120 +11 33 47.59 V W68
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-12-03 14:46:00 163730800.42 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)