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
2003-10-21 07:00:44 C 23 48 06.90 +11 14 24.7 r 649
2003-10-21 07:03:18 C 23 48 06.79 +11 14 24.0 r 649
2003-10-21 07:05:53 C 23 48 06.66 +11 14 22.4 r 649
2003-10-24 18:48:34 C 23 44 21.21 +10 44 10.5 o 084
2003-10-29 03:34:37 C 23 40 02.27 +10 07 15.1 c 691
2003-10-29 04:15:49 C 23 40 00.62 +10 07 00.8 c 691
2003-10-29 04:55:37 C 23 39 59.03 +10 06 47.0 c 691
2003-11-01 04:35:35 C 23 37 18.44 +09 42 20.3 18.7 c 704
2003-11-01 04:52:45 C 23 37 17.81 +09 42 14.4 19.4 c 704
2003-11-01 05:09:56 C 23 37 17.17 +09 42 08.3 19.1 c 704
2003-11-01 05:27:09 C 23 37 16.51 +09 42 02.9 19.2 c 704
2003-11-01 05:44:15 C 23 37 15.93 +09 41 57.0 19.1 c 704
2003-11-19 03:08:32 C 23 26 21.06 +07 38 09.0 18.5 c 704
2003-11-19 03:27:18 C 23 26 20.79 +07 38 03.7 18.9 c 704
2003-11-19 03:45:18 C 23 26 20.50 +07 37 59.8 18.8 c 704
2003-11-19 04:03:36 C 23 26 20.19 +07 37 55.4 18.8 c 704
2003-11-19 04:21:23 C 23 26 19.92 +07 37 51.1 18.7 c 704
2003-11-27 01:25:54 C 23 24 22.75 +06 59 04.0 d 703
2003-11-27 01:43:40 C 23 24 22.66 +06 59 01.7 d 703
2003-11-27 02:01:26 C 23 24 22.47 +06 58 58.2 d 703
2003-11-27 02:19:12 C 23 24 22.37 +06 58 54.6 d 703
2003-12-23 02:00:39 C 23 29 00.52 +06 06 46.5 19.0 c 704
2003-12-23 02:19:21 C 23 29 00.90 +06 06 46.1 19.4 c 704
2003-12-23 02:38:18 C 23 29 01.29 +06 06 45.7 18.8 c 704
2003-12-23 02:57:15 C 23 29 01.62 +06 06 46.2 19.0 c 704
2003-12-24 06:52:38 C 23 29 34.92 +06 07 03.6 20.1 c 608
2003-12-24 07:07:45 C 23 29 35.14 +06 07 03.3 20.0 c 608
2003-12-24 07:23:19 C 23 29 35.51 +06 07 03.4 20.1 c 608
2003-12-28 02:03:27 C 23 31 34.66 +06 09 23.0 20.7 c 704
2003-12-28 02:22:11 C 23 31 35.11 +06 09 23.8 20.2 c 704
2003-12-28 02:40:50 C 23 31 35.54 +06 09 25.2 20.1 c 704
2003-12-28 02:59:28 C 23 31 35.95 +06 09 23.7 19.9 c 704
2004-01-11 01:52:24 C 23 41 06.32 +06 35 37.2 o 699
2004-01-11 02:10:21 C 23 41 06.98 +06 35 38.7 o 699
2004-01-11 02:28:24 C 23 41 07.53 +06 35 41.1 o 699
2004-01-11 02:46:17 C 23 41 08.02 +06 35 44.9 o 699
2005-07-03 00:27:14 C 00 10 43.19 +07 35 17.2 r A13
2005-07-03 00:35:52 C 00 10 43.20 +07 35 19.7 r A13
2005-07-03 00:56:39 C 00 10 43.29 +07 35 21.3 r A13
2005-08-03 13:38:54 C 00 02 04.27 +08 19 09.2 o 608
2005-08-03 13:54:52 C 00 02 03.82 +08 19 08.9 o 608
2005-08-03 14:10:26 C 00 02 03.38 +08 19 08.3 o 608
2005-08-31 06:22:21 C 23 36 12.67 +06 48 40.6 o 699
2005-08-31 06:59:05 C 23 36 10.92 +06 48 31.0 o 699
2005-08-31 07:35:49 C 23 36 09.04 +06 48 22.4 o 699
2005-09-08 09:07:03 C 23 26 31.00 +05 59 47.3 o 608
2005-09-08 09:21:44 C 23 26 30.23 +05 59 43.6 o 608
2005-09-08 09:36:57 C 23 26 29.49 +05 59 40.0 o 608
2005-09-09 06:49:06 C 23 25 24.93 +05 53 52.3 18.4 c 704
2005-09-09 07:05:13 C 23 25 24.06 +05 53 48.0 18.2 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)