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
2016-11-17 20:21:08 C 07 25 32.23 +68 21 29.4 q Z80
2016-11-18 17:59:52 C 07 47 53.93 +69 52 49.9 S K14
2016-11-18 18:07:33 C 07 48 02.96 +69 53 22.3 S K14
2016-11-18 18:10:28 C 07 48 06.38 +69 53 34.5 S K14
2016-11-18 18:13:23 C 07 48 09.83 +69 53 46.9 S K14
2016-11-18 18:16:18 C 07 48 13.27 +69 53 59.3 S K14
2016-11-18 18:19:13 C 07 48 16.76 +69 54 11.6 S K14
2016-11-18 23:06:19 C 07 53 59.85 +70 14 23.6 q J69
2016-11-18 23:10:31 C 07 54 04.95 +70 14 41.3 q J69
2016-11-18 23:14:43 C 07 54 10.08 +70 14 58.9 q J69
2016-11-18 23:18:55 C 07 54 15.19 +70 15 16.4 q J69
2016-11-18 23:23:07 C 07 54 20.29 +70 15 34.0 q J69
2016-11-18 23:27:18 C 07 54 25.42 +70 15 51.6 q J69
2016-11-22 21:43:10 C 10 58 33.74 +73 21 41.7 q Z80
2016-11-22 21:44:13 C 10 58 36.35 +73 21 39.8 q Z80
2016-11-22 21:45:14 C 10 58 38.98 +73 21 37.9 q Z80
2016-11-22 21:46:17 C 10 58 41.59 +73 21 35.9 q Z80
2016-11-22 21:47:19 C 10 58 44.26 +73 21 33.8 q Z80
2016-11-22 21:48:23 C 10 58 46.87 +73 21 31.9 q Z80
2016-11-22 21:49:25 C 10 58 49.54 +73 21 30.0 q Z80
2016-11-22 21:50:27 C 10 58 52.17 +73 21 28.0 q Z80
2016-11-22 21:51:29 C 10 58 54.81 +73 21 26.0 q Z80
2016-11-22 21:52:31 C 10 58 57.44 +73 21 24.2 q Z80
2016-11-22 21:53:34 C 10 59 00.06 +73 21 22.2 q Z80
2016-11-22 21:54:37 C 10 59 02.73 +73 21 20.0 q Z80
2016-11-24 05:23:14 C 12 15 13.51 +71 18 10.1 q K74
2016-11-24 05:25:40 C 12 15 18.93 +71 17 56.0 q K74
2016-11-24 05:31:54 C 12 15 32.72 +71 17 19.7 q K74
2016-11-24 05:34:56 C 12 15 39.52 +71 17 01.8 q K74
2016-11-24 05:36:10 C 12 15 42.23 +71 16 54.8 q K74
2016-11-24 19:13:23 C 12 44 43.05 +69 44 27.4 q Z49
2016-11-24 19:18:44 C 12 44 54.09 +69 43 47.5 q Z49
2016-11-24 22:16:00 C 12 50 52.40 +69 21 08.6 q Z80
2016-11-24 22:21:02 C 12 51 02.44 +69 20 29.3 q Z80
2016-11-24 22:26:45 C 12 51 13.81 +69 19 44.9 q Z80
2016-11-24 22:32:15 C 12 51 24.77 +69 19 02.0 q Z80
2016-11-24 22:37:18 C 12 51 34.79 +69 18 22.8 q Z80
2016-11-24 22:42:21 C 12 51 44.82 +69 17 43.2 q Z80
2016-11-24 22:47:24 C 12 51 54.85 +69 17 03.8 q Z80
2016-11-24 22:52:27 C 12 52 04.86 +69 16 24.4 q Z80
2016-11-24 22:57:30 C 12 52 14.85 +69 15 44.8 q Z80
2016-11-24 23:02:33 C 12 52 24.84 +69 15 05.3 q Z80
2016-11-24 23:07:36 C 12 52 34.80 +69 14 25.8 q Z80
2016-11-24 23:12:40 C 12 52 44.78 +69 13 46.1 q Z80
2016-11-24 23:17:51 C 12 52 55.06 +69 13 05.2 q Z80
2016-11-24 23:23:43 C 12 53 06.57 +69 12 19.4 q Z80
2016-11-24 23:33:28 C 12 53 25.73 +69 11 02.7 q Z80
2016-11-26 04:21:43 S 13 42 11.801 +64 41 46.00 L C51
2016-11-28 19:47:34 C 14 49 07.70 +51 28 27.4 q Z49
2016-11-28 19:49:02 C 14 49 08.82 +51 28 07.0 q Z49
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)