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
2016-11-13 21:02:46 C 06 27 31.57 +61 57 18.8 q Z80
2016-11-13 21:11:57 C 06 27 35.25 +61 57 52.8 q Z80
2016-11-13 21:14:38 C 06 27 36.28 +61 58 02.5 q Z80
2016-11-13 21:17:20 C 06 27 37.36 +61 58 12.4 q Z80
2016-11-13 21:20:01 C 06 27 38.44 +61 58 22.8 q Z80
2016-11-14 03:40:01 C 06 30 09.38 +62 21 54.8 q K74
2016-11-14 03:48:08 C 06 30 12.68 +62 22 24.7 q K74
2016-11-14 03:48:55 C 06 30 12.99 +62 22 27.5 q K74
2016-11-14 04:18:39 C 06 30 25.08 +62 24 16.7 q K74
2016-11-14 04:20:13 C 06 30 25.72 +62 24 22.5 q K74
2016-11-15 00:13:21 C 06 39 30.07 +63 40 03.2 u 209
2016-11-15 00:19:10 C 06 39 32.84 +63 40 26.3 u 209
2016-11-15 00:24:59 C 06 39 35.57 +63 40 48.6 u 209
2016-11-15 00:30:24 C 06 39 38.21 +63 41 10.4 u 209
2016-11-15 00:33:42 C 06 39 39.86 +63 41 24.1 u 209
2016-11-15 00:37:00 C 06 39 41.38 +63 41 36.7 u 209
2016-11-15 00:43:05 C 06 39 44.32 +63 42 00.8 u 209
2016-11-15 00:46:24 C 06 39 45.96 +63 42 14.4 u 209
2016-11-15 00:49:41 C 06 39 47.44 +63 42 26.9 u 209
2016-11-15 00:54:14 C 06 39 49.67 +63 42 44.9 u 209
2016-11-15 00:58:46 C 06 39 51.79 +63 43 02.3 u 209
2016-11-15 01:02:04 C 06 39 53.39 +63 43 15.2 u 209
2016-11-15 01:05:22 C 06 39 55.00 +63 43 28.6 u 209
2016-11-15 01:09:54 C 06 39 57.22 +63 43 46.5 u 209
2016-11-15 13:25:09 C 06 46 22.93 +64 32 05.0 o 300
2016-11-15 13:26:48 C 06 46 23.81 +64 32 11.5 o 300
2016-11-15 13:27:38 C 06 46 24.25 +64 32 15.3 o 300
2016-11-15 13:28:27 C 06 46 24.75 +64 32 18.4 o 300
2016-11-15 13:29:16 C 06 46 25.14 +64 32 21.7 o 300
2016-11-15 13:30:06 C 06 46 25.58 +64 32 25.4 o 300
2016-11-15 13:30:57 C 06 46 26.07 +64 32 28.4 o 300
2016-11-15 13:31:48 C 06 46 26.50 +64 32 32.2 o 300
2016-11-15 13:32:37 C 06 46 27.00 +64 32 35.6 o 300
2016-11-16 17:16:04 C 07 03 40.70 +66 26 10.1 q K73
2016-11-16 17:20:59 C 07 03 44.24 +66 26 31.2 q K73
2016-11-16 17:38:18 C 07 03 56.74 +66 27 45.0 q K73
2016-11-16 17:47:48 C 07 04 03.45 +66 28 26.1 q K73
2016-11-16 18:44:06 C 07 04 44.13 +66 32 28.5 q K73
2016-11-16 18:48:10 C 07 04 47.07 +66 32 45.7 q K73
2016-11-16 18:53:15 C 07 04 50.81 +66 33 08.0 q K73
2016-11-16 18:58:22 C 07 04 54.50 +66 33 30.1 q K73
2016-11-16 19:03:30 C 07 04 58.17 +66 33 52.7 q K73
2016-11-16 19:08:36 C 07 05 01.88 +66 34 14.2 q K73
2016-11-17 20:07:27 C 07 25 19.56 +68 20 29.7 q Z80
2016-11-17 20:09:50 C 07 25 21.76 +68 20 40.2 q Z80
2016-11-17 20:11:26 C 07 25 23.24 +68 20 46.9 q Z80
2016-11-17 20:13:26 C 07 25 25.11 +68 20 55.8 q Z80
2016-11-17 20:15:29 C 07 25 27.00 +68 21 04.6 q Z80
2016-11-17 20:17:32 C 07 25 28.90 +68 21 13.6 q Z80
2016-11-17 20:19:22 C 07 25 30.60 +68 21 21.6 q Z80
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)