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
2013-12-06 11:22:13 C 23 31 28.62 +07 40 11.2 q D29
2013-12-06 11:45:08 C 23 31 28.65 +07 40 07.5 q D29
2014-01-10 02:33:14 C 23 47 05.09 +07 30 41.0 q 703
2014-01-10 02:40:29 C 23 47 05.27 +07 30 41.6 q 703
2014-01-10 02:47:43 C 23 47 05.48 +07 30 41.8 q 703
2014-01-10 02:54:59 C 23 47 05.73 +07 30 42.7 q 703
2014-01-20 01:54:24 C 23 55 48.54 +08 01 56.0 q 703
2014-01-20 02:00:56 C 23 55 48.74 +08 01 57.2 q 703
2014-01-20 02:07:28 C 23 55 49.09 +08 01 57.6 q 703
2014-01-20 02:13:59 C 23 55 49.38 +08 01 57.9 q 703
2015-07-30 12:21:42 C 00 12 56.942 +09 30 52.80 L F52
2015-07-30 12:39:16 C 00 12 56.594 +09 30 53.10 L F52
2015-07-30 12:56:48 C 00 12 56.247 +09 30 53.38 L F52
2015-07-30 18:41:07 C 00 12 49.54 +09 30 56.9 q D29
2015-07-30 19:06:43 C 00 12 48.95 +09 30 56.5 q D29
2015-08-09 09:26:28 C 00 07 12.77 +09 26 00.7 R G45
2015-08-09 09:34:55 C 00 07 12.48 +09 26 00.1 R G45
2015-08-09 09:35:01 C 00 07 12.50 +09 26 00.4 R G45
2015-08-09 09:40:41 C 00 07 12.33 +09 26 00.0 R G45
2015-08-09 09:43:32 C 00 07 12.23 +09 25 59.5 R G45
2015-08-09 09:49:42 C 00 07 12.05 +09 25 59.5 R G45
2015-08-20 06:43:36 C 23 58 18.93 +09 01 48.9 q 703
2015-08-20 06:52:16 C 23 58 18.58 +09 01 47.7 q 703
2015-08-20 07:00:54 C 23 58 18.20 +09 01 47.3 q 703
2015-08-20 07:09:33 C 23 58 17.89 +09 01 46.1 q 703
2015-08-22 06:47:21 C 23 56 24.61 +08 55 09.0 V G45
2015-08-22 07:01:48 C 23 56 23.99 +08 55 07.1 V G45
2015-08-22 07:02:40 C 23 56 23.95 +08 55 06.5 V G45
2015-08-22 07:25:05 C 23 56 23.04 +08 55 03.7 V G45
2015-08-22 07:25:58 C 23 56 23.01 +08 55 03.5 V G45
2015-08-22 07:39:56 C 23 56 22.42 +08 55 01.2 V G45
2015-08-22 07:40:06 C 23 56 22.44 +08 55 01.8 V G45
2015-08-22 07:54:59 C 23 56 21.79 +08 54 59.6 V G45
2015-08-22 07:55:09 C 23 56 21.80 +08 54 59.3 V G45
2015-08-22 08:09:51 C 23 56 21.18 +08 54 57.5 V G45
2015-08-22 08:24:02 C 23 56 20.60 +08 54 55.1 V G45
2015-08-22 09:21:46 C 23 56 18.22 +08 54 46.5 V G45
2015-08-22 09:36:07 C 23 56 17.60 +08 54 44.6 V G45
2015-08-22 09:50:41 C 23 56 17.01 +08 54 42.3 V G45
2015-08-22 09:51:01 C 23 56 16.98 +08 54 42.4 V G45
2015-09-04 23:54:17 C 23 41 37.73 +07 51 50.5 q L96
2015-09-05 00:09:50 C 23 41 37.00 +07 51 45.9 q L96
2015-09-05 00:25:22 C 23 41 36.18 +07 51 40.8 q L96
2015-09-05 00:40:54 C 23 41 35.46 +07 51 38.4 q L96
2015-09-07 02:43:47 C 23 39 08.65 +07 39 32.1 o Z22
2015-09-07 02:54:05 C 23 39 08.11 +07 39 30.4 o Z22
2015-09-07 03:04:58 C 23 39 07.58 +07 39 27.0 o Z22
2015-09-07 07:57:48 C 23 38 53.24 +07 38 14.4 q 703
2015-09-07 08:05:05 C 23 38 52.92 +07 38 12.7 q 703
2015-09-07 08:12:20 C 23 38 52.54 +07 38 11.6 q 703
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)