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
2010-09-01 00:58:00 C 23 41 05.43 +07 30 20.1 u 160
2010-09-02 00:21:53 C 23 39 58.25 +07 25 04.1 u 160
2010-09-02 00:23:36 C 23 39 58.17 +07 25 03.8 u 160
2010-09-02 00:25:34 C 23 39 58.09 +07 25 03.4 u 160
2010-09-02 08:42:54 C 23 39 34.06 +07 23 10.6 18.8 c 704
2010-09-02 08:59:39 C 23 39 33.23 +07 23 06.7 18.9 c 704
2010-09-02 09:16:22 C 23 39 32.38 +07 23 01.5 19.6 c 704
2010-09-02 09:33:09 C 23 39 31.61 +07 22 59.0 19.0 c 704
2010-09-02 09:49:52 C 23 39 30.80 +07 22 55.9 19.2 c 704
2010-09-05 07:08:19 C 23 36 08.03 +07 06 24.0 17.7 c 704
2010-09-05 07:41:55 C 23 36 06.32 +07 06 14.3 18.7 c 704
2010-09-05 07:58:44 C 23 36 05.48 +07 06 10.7 18.8 c 704
2010-09-05 08:15:32 C 23 36 04.61 +07 06 07.1 19.2 c 704
2010-09-11 08:14:44 C 23 28 52.50 +06 28 23.7 r 703
2010-09-11 08:24:25 C 23 28 51.99 +06 28 22.6 r 703
2010-09-11 08:34:04 C 23 28 51.49 +06 28 18.0 r 703
2010-09-11 08:43:40 C 23 28 51.02 +06 28 15.1 r 703
2010-09-11 18:28:31 C 23 28 21.72 +06 25 33.6 o B17
2010-09-11 18:40:31 C 23 28 21.10 +06 25 30.3 o B17
2010-09-11 18:52:32 C 23 28 20.49 +06 25 26.9 o B17
2010-09-11 19:04:32 C 23 28 19.87 +06 25 23.6 o B17
2010-09-11 19:16:31 C 23 28 19.26 +06 25 20.3 o B17
2010-09-11 19:28:32 C 23 28 18.65 +06 25 17.0 o B17
2010-09-11 19:40:32 C 23 28 18.03 +06 25 13.6 o B17
2010-09-11 19:52:32 C 23 28 17.42 +06 25 10.3 o B17
2010-09-12 19:33:32 C 23 27 05.70 +06 18 33.5 o B17
2010-09-12 19:44:32 C 23 27 05.14 +06 18 30.4 o B17
2010-09-12 19:56:32 C 23 27 04.52 +06 18 27.0 o B17
2010-09-12 20:08:32 C 23 27 03.90 +06 18 23.6 o B17
2010-09-12 20:20:33 C 23 27 03.28 +06 18 20.1 o B17
2010-09-12 20:32:32 C 23 27 02.67 +06 18 16.7 o B17
2010-09-12 20:44:35 C 23 27 02.05 +06 18 13.3 o B17
2010-09-12 20:56:32 C 23 27 01.44 +06 18 09.8 o B17
2010-09-12 22:19:49 C 23 26 57.23 +06 17 46.4 u 160
2010-09-12 22:23:45 C 23 26 57.03 +06 17 45.5 u 160
2010-09-12 22:27:40 C 23 26 56.84 +06 17 44.4 u 160
2010-09-14 09:18:48 C 23 25 11.10 +06 07 50.5 r G96
2010-09-14 09:29:20 C 23 25 10.56 +06 07 47.6 r G96
2010-09-14 09:39:54 C 23 25 10.02 +06 07 44.5 r G96
2010-09-14 09:50:24 C 23 25 09.48 +06 07 41.4 r G96
2010-09-30 06:09:53 C 23 06 45.64 +04 12 46.8 r 703
2010-09-30 06:23:02 C 23 06 45.07 +04 12 43.7 r 703
2010-09-30 06:36:07 C 23 06 44.49 +04 12 39.1 r 703
2010-09-30 06:49:19 C 23 06 43.88 +04 12 35.8 r 703
2010-10-09 02:26:43 C 22 57 55.34 +03 09 09.9 u H15
2010-10-09 03:05:24 C 22 57 53.84 +03 08 59.0 u H15
2010-10-09 03:44:00 C 22 57 52.31 +03 08 47.8 u H15
2010-10-09 04:25:28 C 22 57 50.72 +03 08 35.8 u H15
2010-10-11 05:24:41 C 22 56 01.32 +02 54 34.7 r 703
2010-10-11 05:34:32 C 22 56 00.96 +02 54 31.5 r 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)