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
2017-08-16 22:21:40 C 22 44 34.52 -01 10 29.4 q 160
2017-08-16 22:23:38 C 22 44 34.41 -01 10 29.7 q 160
2017-08-17 06:13:23 C 22 44 04.55 -01 12 45.5 q H15
2017-08-17 06:22:26 C 22 44 03.96 -01 12 48.4 q H15
2017-08-17 06:31:28 C 22 44 03.36 -01 12 50.8 q H15
2017-08-17 12:04:14 C 22 43 42.02 -01 14 26.9 L T05
2017-08-17 12:18:48 C 22 43 41.09 -01 14 31.0 L T05
2017-08-17 12:32:31 C 22 43 40.19 -01 14 35.7 L T05
2017-08-17 12:46:55 C 22 43 39.26 -01 14 39.7 L T05
2017-08-17 22:46:35 C 22 43 01.28 -01 17 36.7 u 108
2017-08-17 22:47:52 C 22 43 01.16 -01 17 37.1 u 108
2017-08-17 22:54:18 C 22 43 00.74 -01 17 38.3 u 108
2017-08-17 22:56:53 C 22 43 00.64 -01 17 39.0 u 108
2017-08-18 22:19:46 C 22 41 30.97 -01 24 35.8 q 160
2017-08-18 22:21:53 C 22 41 30.84 -01 24 36.5 q 160
2017-08-18 22:23:57 C 22 41 30.71 -01 24 37.0 q 160
2017-08-22 15:27:29 C 22 35 47.54 -01 51 44.8 q D29
2017-08-22 15:47:51 C 22 35 46.21 -01 51 51.0 q D29
2017-08-22 16:08:12 C 22 35 44.87 -01 51 57.4 q D29
2017-08-23 11:24:50 C 22 34 30.44 -01 57 56.5 L T08
2017-08-23 11:37:30 C 22 34 29.63 -01 58 00.6 L T08
2017-08-23 11:50:15 C 22 34 28.78 -01 58 04.6 L T08
2017-08-23 12:03:06 C 22 34 27.94 -01 58 08.8 L T08
2017-08-25 03:47:43 C 22 31 55.06 -02 10 35.0 q Y00
2017-08-25 04:04:49 C 22 31 54.04 -02 10 41.1 q Y00
2017-08-25 04:33:16 C 22 31 52.12 -02 10 49.6 q Y00
2017-08-28 08:00:42 C 22 27 04.22 -02 34 55.5 q G96
2017-08-28 08:09:11 C 22 27 03.66 -02 34 57.8 q G96
2017-08-28 08:17:41 C 22 27 03.13 -02 35 01.2 q G96
2017-08-28 08:26:11 C 22 27 02.58 -02 35 03.7 q G96
2017-08-29 10:21:55 C 22 25 24.82 -02 43 21.3 L T05
2017-08-29 10:32:58 C 22 25 24.12 -02 43 24.9 L T05
2017-08-29 10:44:51 C 22 25 23.35 -02 43 28.7 L T05
2017-08-29 10:56:03 C 22 25 22.62 -02 43 32.2 L T05
2017-08-29 21:17:40 C 22 24 43.89 -02 46 53.7 q 246
2017-08-29 21:18:35 C 22 24 43.84 -02 46 54.2 q 246
2017-08-29 21:19:55 C 22 24 43.72 -02 46 54.6 q 246
2017-08-29 21:20:28 C 22 24 43.68 -02 46 54.6 q 246
2017-08-29 21:20:58 C 22 24 43.67 -02 46 54.9 q 246
2017-08-29 21:21:27 C 22 24 43.64 -02 46 55.0 q 246
2017-08-29 21:23:02 C 22 24 43.53 -02 46 55.6 q 246
2017-08-30 22:13:41 C 22 23 10.79 -02 54 53.2 q 160
2017-08-30 22:15:40 C 22 23 10.67 -02 54 53.8 q 160
2017-08-30 22:17:41 C 22 23 10.52 -02 54 54.2 q 160
2017-08-31 09:45:42 C 22 22 27.96 -02 58 33.1 L T08
2017-08-31 09:52:25 C 22 22 27.52 -02 58 35.3 L T08
2017-08-31 10:03:56 C 22 22 26.82 -02 58 39.1 L T08
2017-08-31 10:09:30 C 22 22 26.46 -02 58 40.7 L T08
2017-08-31 10:16:20 C 22 22 26.02 -02 58 43.0 L T08
2017-08-31 10:27:09 C 22 22 25.35 -02 58 46.5 L T08
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)