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
2006-11-09 14:50:40 C 01 58 07.70 +38 32 07.0 m 355
2006-11-09 14:52:11 C 01 58 07.43 +38 32 06.5 m 355
2006-11-09 14:54:04 C 01 58 07.07 +38 32 06.0 m 355
2006-11-09 14:56:49 C 01 58 06.56 +38 32 05.5 m 355
2006-11-09 14:59:02 C 01 58 06.14 +38 32 04.8 m 355
2006-11-09 15:00:37 C 01 58 05.86 +38 32 04.4 m 355
2006-11-12 19:09:40 C 01 43 44.62 +38 07 27.4 c A94
2006-11-12 19:16:58 C 01 43 43.14 +38 07 24.5 c A94
2006-11-12 19:22:47 C 01 43 42.02 +38 07 22.2 c A94
2006-11-13 04:43:39 C 01 41 51.73 +38 03 27.6 14.8 c 704
2006-11-13 05:01:07 C 01 41 48.09 +38 03 19.8 15.7 c 704
2006-11-13 05:18:38 C 01 41 44.69 +38 03 11.7 14.9 c 704
2006-11-13 05:36:09 C 01 41 41.14 +38 03 04.7 15.0 c 704
2006-11-13 05:53:44 C 01 41 37.59 +38 02 56.8 15.0 c 704
2006-11-13 12:24:19 C 01 40 20.86 +38 00 00.7 r 379
2006-11-13 12:26:59 C 01 40 20.31 +37 59 59.4 r 379
2006-11-13 12:29:38 C 01 40 19.79 +37 59 58.3 r 379
2006-11-13 12:32:49 C 01 40 19.16 +37 59 56.7 r 379
2006-11-13 12:35:29 C 01 40 18.60 +37 59 55.8 r 379
2006-11-13 12:38:11 C 01 40 18.06 +37 59 54.2 r 379
2006-11-13 18:44:09 C 01 39 05.95 +37 56 59.2 c A24
2006-11-13 20:38:49 C 01 38 42.75 +37 56 06.3 c A24
2006-11-13 22:08:11 C 01 38 24.27 +37 55 23.1 A92
2006-11-13 22:20:42 C 01 38 21.71 +37 55 17.2 A92
2006-11-13 22:35:47 C 01 38 18.93 +37 55 09.9 c A24
2006-11-13 22:36:42 C 01 38 18.48 +37 55 08.7 A92
2006-11-14 19:11:45 C 01 34 11.64 +37 44 38.2 o 491
2006-11-14 19:21:42 C 01 34 09.51 +37 44 32.9 o 491
2006-11-14 19:29:49 C 01 34 08.22 +37 44 29.8 o 491
2006-11-14 19:37:24 C 01 34 06.61 +37 44 26.0 o 491
2006-11-15 11:16:33 C 01 30 55.25 +37 35 42.5 r 379
2006-11-15 11:19:13 C 01 30 54.70 +37 35 40.8 r 379
2006-11-15 11:21:52 C 01 30 54.13 +37 35 39.4 r 379
2006-11-15 11:24:32 C 01 30 53.58 +37 35 37.8 r 379
2006-11-15 11:28:29 C 01 30 52.75 +37 35 35.7 r 379
2006-11-15 11:31:11 C 01 30 52.18 +37 35 34.1 r 379
2006-11-15 11:33:52 C 01 30 51.63 +37 35 32.4 r 379
2006-11-15 11:36:35 C 01 30 51.07 +37 35 30.9 r 379
2006-11-17 22:52:36 C 01 18 31.89 +36 56 10.7 r 170
2006-11-17 22:54:11 C 01 18 31.51 +36 56 09.1 r 170
2006-11-17 23:03:52 C 01 18 29.47 +36 56 01.7 r 170
2006-11-21 00:11:36 C 01 02 53.88 +35 53 47.6 o 493
2006-11-21 01:28:42 C 01 02 37.08 +35 52 30.5 o 493
2006-11-21 02:03:19 C 01 02 29.57 +35 51 59.3 o 493
2006-11-21 03:24:22 C 01 02 13.95 +35 50 49.3 r 703
2006-11-21 03:31:40 C 01 02 12.33 +35 50 42.3 r 703
2006-11-21 03:39:04 C 01 02 10.71 +35 50 35.2 r 703
2006-11-21 03:46:29 C 01 02 09.09 +35 50 28.2 r 703
2006-11-26 21:08:28 C 00 32 36.48 +33 11 21.4 c 127
2006-11-26 21:12:38 C 00 32 35.58 +33 11 15.8 c 127
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)