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
2006-12-20 09:31:02 C 22 48 41.86 +15 50 06.5 r 379
2006-12-20 09:33:44 C 22 48 41.42 +15 50 00.8 r 379
2006-12-20 19:23:08 C 22 47 08.24 +15 28 39.0 o 434
2006-12-20 19:24:54 C 22 47 07.95 +15 28 35.0 o 434
2006-12-20 19:26:40 C 22 47 07.66 +15 28 31.4 o 434
2006-12-20 19:28:25 C 22 47 07.40 +15 28 27.1 o 434
2006-12-20 19:30:11 C 22 47 07.12 +15 28 23.4 o 434
2006-12-20 19:31:56 C 22 47 06.83 +15 28 19.8 o 434
2006-12-20 19:33:42 C 22 47 06.54 +15 28 16.1 o 434
2006-12-20 19:35:28 C 22 47 06.24 +15 28 12.1 o 434
2006-12-20 19:37:13 C 22 47 05.96 +15 28 08.3 o 434
2006-12-20 19:38:59 C 22 47 05.67 +15 28 04.4 o 434
2006-12-20 19:40:45 C 22 47 05.38 +15 28 00.4 o 434
2006-12-20 19:42:30 C 22 47 05.13 +15 27 56.8 o 434
2006-12-20 19:44:16 C 22 47 04.85 +15 27 52.9 o 434
2006-12-22 09:18:55 C 22 41 11.03 +14 05 45.3 r 379
2006-12-22 09:21:35 C 22 41 10.63 +14 05 39.1 r 379
2006-12-22 09:24:14 C 22 41 10.19 +14 05 33.1 r 379
2006-12-22 09:30:02 C 22 41 09.25 +14 05 20.5 r 379
2006-12-22 09:38:01 C 22 41 07.96 +14 05 02.5 r 379
2006-12-25 16:26:00 C 22 28 46.40 +11 08 08.1 14.6 r 084
2006-12-25 16:28:08 C 22 28 46.04 +11 08 03.0 14.6 r 084
2007-05-13 18:36:48 C 23 10 42.38 -04 50 59.8 r E12
2007-05-13 18:46:16 C 23 10 42.74 -04 50 56.6 r E12
2007-05-13 18:55:40 C 23 10 43.10 -04 50 53.5 r E12
2007-05-13 19:05:11 C 23 10 43.46 -04 50 49.2 r E12
2007-07-17 08:09:19 C 23 13 09.37 -00 39 29.4 17.6 c 704
2007-07-17 08:23:27 C 23 13 08.78 -00 39 31.0 17.7 c 704
2007-07-17 08:37:36 C 23 13 08.19 -00 39 32.4 17.8 c 704
2007-07-20 07:47:48 C 23 09 56.11 -00 47 41.9 17.6 c 704
2007-07-20 08:03:19 C 23 09 55.34 -00 47 43.6 17.9 c 704
2007-07-20 08:18:37 C 23 09 54.61 -00 47 45.8 17.8 c 704
2007-07-20 08:33:57 C 23 09 53.86 -00 47 48.1 17.8 c 704
2007-07-20 08:49:18 C 23 09 53.15 -00 47 50.1 17.6 c 704
2007-07-27 00:18:42 C 23 01 39.02 -01 13 13.8 c A24
2007-07-27 01:23:13 C 23 01 35.35 -01 13 26.0 c A24
2007-07-27 01:26:44 C 23 01 35.20 -01 13 25.7 c A24
2007-07-28 00:13:13 C 23 00 18.02 -01 17 47.8 c A24
2007-07-28 00:28:29 C 23 00 17.10 -01 17 50.7 c A24
2007-07-28 00:40:17 C 23 00 16.40 -01 17 52.7 c A24
2007-07-28 00:41:43 C 23 00 16.37 -01 17 54.4 c A24
2007-07-28 00:51:46 C 23 00 15.77 -01 17 56.0 c A24
2007-07-28 01:03:15 C 23 00 15.11 -01 17 58.7 c A24
2007-07-28 01:13:19 C 23 00 14.52 -01 18 00.6 c A24
2007-07-28 01:14:45 C 23 00 14.44 -01 18 01.1 c A24
2007-07-28 01:41:28 C 23 00 12.91 -01 18 06.1 c A24
2007-07-28 02:01:07 C 23 00 11.73 -01 18 10.4 r B19
2007-07-28 02:13:29 C 23 00 11.05 -01 18 13.0 r B19
2007-08-04 22:46:06 C 22 48 37.05 -02 01 20.9 o 151
2007-08-04 22:48:17 C 22 48 36.90 -02 01 21.5 o 151
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)