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
2013-08-04 10:23:12 C 01 14 00.85 +17 23 14.6 N I41
2013-08-04 11:19:11 C 01 14 00.54 +17 23 21.8 N I41
2013-08-05 10:18:46 C 01 13 53.32 +17 26 16.1 N I41
2013-08-05 11:13:56 C 01 13 52.96 +17 26 23.1 N I41
2013-08-15 08:05:05 C 01 11 20.06 +17 49 54.8 N I41
2013-08-15 09:26:34 C 01 11 18.70 +17 50 01.0 N I41
2013-08-15 10:19:05 C 01 11 17.81 +17 50 04.8 N I41
2013-08-19 02:16:26 C 01 09 42.83 +17 55 28.7 q Z81
2013-08-19 03:09:58 C 01 09 41.73 +17 55 31.5 q Z81
2013-08-19 03:59:34 C 01 09 40.67 +17 55 34.0 q Z81
2013-09-02 02:12:25 C 01 00 22.23 +17 56 15.0 19.2 u J43
2013-09-02 02:31:05 C 01 00 21.53 +17 56 14.3 18.9 u J43
2013-09-02 02:49:29 C 01 00 20.87 +17 56 13.2 19.0 u J43
2013-09-02 03:07:56 C 01 00 20.20 +17 56 12.3 19.1 u J43
2013-09-03 10:34:37 C 00 59 11.43 +17 54 26.6 q 703
2013-09-03 10:41:24 C 00 59 11.20 +17 54 26.9 q 703
2013-09-03 10:48:12 C 00 59 10.97 +17 54 25.8 q 703
2013-09-03 10:54:59 C 00 59 10.65 +17 54 25.4 q 703
2013-09-04 00:32:03 C 00 58 40.13 +17 53 33.3 c A24
2013-09-04 00:33:06 C 00 58 40.18 +17 53 33.1 c A24
2013-09-04 00:34:08 C 00 58 40.12 +17 53 32.7 c A24
2013-09-04 00:35:10 C 00 58 40.05 +17 53 32.6 c A24
2013-09-05 00:52:10 C 00 57 44.16 +17 51 50.0 c A24
2013-09-05 00:53:11 C 00 57 44.13 +17 51 49.0 c A24
2013-09-05 00:54:13 C 00 57 44.15 +17 51 49.7 c A24
2013-09-05 00:55:16 C 00 57 44.11 +17 51 49.5 c A24
2013-09-05 01:52:47 C 00 57 41.84 +17 51 45.6 c A24
2013-09-05 01:53:50 C 00 57 41.76 +17 51 44.9 c A24
2013-09-05 01:54:52 C 00 57 41.72 +17 51 44.8 c A24
2013-09-05 01:55:55 C 00 57 41.71 +17 51 45.1 c A24
2013-09-13 21:11:26 C 00 48 32.31 +17 27 49.8 q D00
2013-09-13 21:27:35 C 00 48 31.53 +17 27 47.1 q D00
2013-09-13 21:43:24 C 00 48 30.76 +17 27 45.3 q D00
2013-09-13 21:59:23 C 00 48 29.92 +17 27 42.2 q D00
2013-09-24 10:28:11 C 00 35 28.61 +16 37 24.9 q 703
2013-09-24 10:37:55 C 00 35 28.06 +16 37 21.5 q 703
2013-09-24 10:47:35 C 00 35 27.53 +16 37 19.0 q 703
2013-09-24 10:57:22 C 00 35 26.97 +16 37 16.9 q 703
2013-09-30 05:32:47 C 00 27 40.39 +15 59 56.8 N I41
2013-09-30 06:21:47 C 00 27 37.54 +15 59 42.6 N I41
2013-09-30 07:09:53 C 00 27 34.74 +15 59 28.6 N I41
2013-09-30 08:08:09 C 00 27 31.22 +15 59 11.0 q H15
2013-09-30 08:23:05 C 00 27 30.45 +15 59 07.2 q H15
2013-09-30 08:38:05 C 00 27 29.56 +15 59 02.4 q H15
2013-09-30 08:53:05 C 00 27 28.70 +15 58 58.5 q H15
2013-09-30 13:11:23 C 00 27 14.21 +15 57 42.4 q D29
2013-09-30 13:34:17 C 00 27 12.85 +15 57 35.4 q D29
2013-09-30 13:57:12 C 00 27 11.54 +15 57 29.0 q D29
2013-10-01 09:00:06 C 00 26 05.90 +15 51 48.9 q 703
2013-10-01 09:06:57 C 00 26 05.49 +15 51 46.5 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)