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
2017-07-27 12:05:41 C 23 12 26.951 +00 40 18.25 L F51
2017-07-27 12:23:21 C 23 12 26.093 +00 40 15.63 L F51
2017-07-27 12:41:02 C 23 12 25.234 +00 40 13.03 L F51
2017-07-27 12:58:47 C 23 12 24.366 +00 40 10.38 L F51
2017-07-28 13:17:04 C 23 11 14.501 +00 36 26.58 L F51
2017-07-28 13:33:38 C 23 11 13.673 +00 36 23.99 L F51
2017-07-28 13:49:46 C 23 11 12.868 +00 36 21.47 L F51
2017-07-28 14:06:42 C 23 11 12.027 +00 36 18.77 L F51
2017-07-29 12:20:59 C 23 10 06.75 +00 32 43.1 L T08
2017-07-29 12:32:55 C 23 10 06.12 +00 32 41.4 L T08
2017-07-29 12:33:38 C 23 10 06.10 +00 32 41.0 L T08
2017-07-29 12:45:52 C 23 10 05.46 +00 32 39.2 L T08
2017-07-29 12:57:20 C 23 10 04.90 +00 32 37.6 L T08
2017-07-29 12:58:01 C 23 10 04.86 +00 32 37.0 L T08
2017-07-29 13:35:58 C 23 10 02.917 +00 32 30.61 L F51
2017-07-29 13:54:23 C 23 10 01.979 +00 32 27.54 L F51
2017-07-29 14:12:46 C 23 10 01.041 +00 32 24.48 L F51
2017-07-29 14:31:02 C 23 10 00.108 +00 32 21.41 L F51
2017-08-02 12:28:54 C 23 05 08.39 +00 15 13.6 L T08
2017-08-02 12:41:54 C 23 05 07.66 +00 15 10.9 L T08
2017-08-02 12:56:08 C 23 05 06.87 +00 15 08.4 L T08
2017-08-02 13:10:44 C 23 05 06.08 +00 15 05.2 L T08
2017-08-02 23:12:02 C 23 04 33.63 +00 13 03.3 o C41
2017-08-02 23:15:32 C 23 04 33.45 +00 13 02.3 o C41
2017-08-02 23:19:03 C 23 04 33.29 +00 13 01.5 o C41
2017-08-04 12:51:55 C 23 02 29.36 +00 05 16.4 L T05
2017-08-04 13:05:55 C 23 02 28.56 +00 05 13.6 L T05
2017-08-04 13:19:39 C 23 02 27.78 +00 05 10.4 L T05
2017-08-04 13:33:11 C 23 02 27.01 +00 05 07.2 L T05
2017-08-11 12:23:23 C 22 52 40.88 -00 34 35.1 L T08
2017-08-11 12:35:21 C 22 52 40.15 -00 34 38.7 L T08
2017-08-11 12:36:06 C 22 52 40.10 -00 34 39.3 L T08
2017-08-11 12:48:16 C 22 52 39.33 -00 34 41.9 L T08
2017-08-11 12:49:01 C 22 52 39.26 -00 34 42.3 L T08
2017-08-11 13:01:05 C 22 52 38.53 -00 34 45.6 L T08
2017-08-11 13:01:50 C 22 52 38.47 -00 34 45.8 L T08
2017-08-11 13:13:54 C 22 52 37.75 -00 34 48.5 L T08
2017-08-13 12:19:09 C 22 49 43.78 -00 47 22.5 L T05
2017-08-13 12:32:17 C 22 49 42.96 -00 47 26.4 L T05
2017-08-13 12:45:25 C 22 49 42.12 -00 47 29.8 L T05
2017-08-13 12:58:43 C 22 49 41.24 -00 47 33.6 L T05
2017-08-15 12:03:22 C 22 46 44.56 -01 00 38.3 L T08
2017-08-15 12:06:18 C 22 46 44.36 -01 00 38.8 L T08
2017-08-15 12:16:03 C 22 46 43.73 -01 00 41.7 L T08
2017-08-15 12:19:07 C 22 46 43.55 -01 00 42.5 L T08
2017-08-15 12:28:53 C 22 46 42.91 -01 00 45.3 L T08
2017-08-15 12:31:54 C 22 46 42.72 -01 00 46.2 L T08
2017-08-15 12:41:37 C 22 46 42.10 -01 00 48.6 L T08
2017-08-15 12:44:42 C 22 46 41.89 -01 00 49.9 L T08
2017-08-16 22:19:44 C 22 44 34.66 -01 10 28.8 q 160
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)