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
2007-09-16 06:16:51 C 21 43 56.62 -07 08 54.0 18.2 c 704
2007-09-16 06:34:18 C 21 43 55.84 -07 08 58.4 18.1 c 704
2007-09-17 04:15:29 C 21 42 57.12 -07 14 24.6 17.8 c 704
2007-09-17 04:33:05 C 21 42 56.28 -07 14 29.3 18.2 c 704
2007-09-17 04:50:40 C 21 42 55.52 -07 14 34.0 18.5 c 704
2007-09-17 05:08:16 C 21 42 54.67 -07 14 38.1 17.9 c 704
2007-09-17 05:26:14 C 21 42 53.84 -07 14 43.0 18.1 c 704
2007-09-19 02:28:00 C 21 40 57.20 -07 25 34.0 r 808
2007-09-19 03:03:40 C 21 40 55.67 -07 25 42.3 r 808
2007-09-19 03:15:40 C 21 40 55.14 -07 25 45.0 r 808
2007-09-30 05:57:25 C 21 31 51.31 -08 20 09.5 o 291
2007-09-30 06:03:03 C 21 31 51.16 -08 20 10.5 o 291
2007-09-30 06:08:23 C 21 31 51.01 -08 20 11.4 o 291
2007-09-30 18:52:14 C 21 31 31.50 -08 22 21.0 o 246
2007-10-04 03:30:16 C 21 29 39.40 -08 34 57.4 r 703
2007-10-04 03:38:53 C 21 29 39.15 -08 34 58.5 r 703
2007-10-04 03:47:32 C 21 29 38.94 -08 34 59.5 r 703
2007-10-04 03:56:07 C 21 29 38.79 -08 35 00.9 r 703
2007-10-07 19:57:16 C 21 28 01.38 -08 46 57.1 o 246
2007-10-07 19:58:21 C 21 28 01.36 -08 46 57.7 o 246
2007-10-07 19:59:34 C 21 28 01.35 -08 46 57.9 o 246
2007-10-07 20:00:42 C 21 28 01.31 -08 46 57.9 o 246
2007-10-07 20:01:45 C 21 28 01.29 -08 46 58.2 o 246
2007-10-07 20:02:51 C 21 28 01.27 -08 46 58.2 o 246
2007-10-07 20:04:00 C 21 28 01.25 -08 46 58.6 o 246
2007-10-09 03:25:49 C 21 27 32.75 -08 50 44.4 19.1 c 704
2007-10-09 03:41:44 C 21 27 32.51 -08 50 46.8 19.0 c 704
2007-10-09 03:57:48 C 21 27 32.20 -08 50 49.2 19.0 c 704
2007-10-09 04:13:42 C 21 27 31.94 -08 50 50.1 19.4 c 704
2007-10-09 04:29:53 C 21 27 31.69 -08 50 52.8 19.3 c 704
2007-10-12 03:19:48 C 21 26 39.14 -08 58 29.9 19.4 c 704
2007-10-12 03:35:55 C 21 26 38.90 -08 58 32.1 20.3 c 704
2007-10-12 03:52:01 C 21 26 38.72 -08 58 33.7 19.7 c 704
2007-10-12 04:08:08 C 21 26 38.59 -08 58 37.2 20.2 c 704
2007-10-12 04:24:15 C 21 26 38.26 -08 58 37.6 19.4 c 704
2007-11-06 01:43:48 C 21 28 26.71 -09 18 08.0 19.5 c 704
2007-11-06 02:01:45 C 21 28 27.00 -09 18 07.1 19.3 c 704
2007-11-06 02:37:50 C 21 28 27.55 -09 18 05.8 19.6 c 704
2007-11-07 01:44:27 C 21 28 48.56 -09 17 25.4 o 704
2007-11-07 02:02:37 C 21 28 48.85 -09 17 24.1 o 704
2007-11-07 02:20:49 C 21 28 49.13 -09 17 22.3 o 704
2007-11-07 02:38:58 C 21 28 49.31 -09 17 22.8 o 704
2007-11-07 02:57:09 C 21 28 49.58 -09 17 22.8 o 704
2008-09-05 06:15:59 C 00 50 45.38 +17 05 15.8 19.2 c 704
2008-09-05 06:35:07 C 00 50 44.58 +17 05 13.8 19.3 c 704
2008-09-05 06:54:24 C 00 50 43.83 +17 05 12.0 19.1 c 704
2008-09-05 07:13:31 C 00 50 43.04 +17 05 10.1 19.0 c 704
2008-09-05 07:32:38 C 00 50 42.23 +17 05 08.4 19.0 c 704
2008-09-07 07:40:26 C 00 48 42.20 +17 00 06.9 18.7 c 704
2008-09-07 07:59:46 C 00 48 41.36 +17 00 04.6 19.2 c 704
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)