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
2024-02-02 05:09:59 C 00 15 57.259 +09 51 33.23 V T08
2024-02-02 05:14:04 C 00 15 57.466 +09 51 33.41 V T08
2024-02-02 05:26:54 C 00 15 58.126 +09 51 36.29 V T08
2024-02-02 05:50:44 C 00 15 59.268 +09 51 41.44 V T08
2024-07-25 17:49:18 C 11 19 14.954 -04 18 34.34 V M22
2024-07-25 18:04:03 C 11 19 20.506 -04 19 11.46 V M22
2024-07-25 18:17:25 C 11 19 25.538 -04 19 45.05 V M22
2024-07-28 00:11:30 C 11 40 18.547 -06 36 34.56 V W68
2024-07-28 00:16:04 C 11 40 20.345 -06 36 46.19 V W68
2024-07-28 00:39:49 C 11 40 29.712 -06 37 46.45 V W68
2024-07-28 00:45:47 C 11 40 32.090 -06 38 01.86 V W68
2024-08-01 22:04:51 C 12 28 55.01 -11 32 47.7 q Y16
2024-08-01 22:12:01 C 12 28 58.00 -11 33 07.2 q Y16
2024-08-01 22:18:29 C 12 29 00.69 -11 33 21.8 q Y16
2024-08-15 01:15:04 C 14 39 20.023 -21 02 20.62 V W68
2024-08-15 01:19:44 C 14 39 21.763 -21 02 25.55 V W68
2024-08-15 01:34:17 C 14 39 27.149 -21 02 40.99 V W68
2024-08-15 01:43:04 C 14 39 30.403 -21 02 50.46 V W68
2024-08-16 18:32:01 C 14 54 23.870 -21 43 28.67 V M22
2024-08-16 18:36:35 C 14 54 25.486 -21 43 32.81 V M22
2024-08-16 18:45:12 C 14 54 28.543 -21 43 40.73 V M22
2024-08-16 18:59:37 C 14 54 33.631 -21 43 53.69 V M22
2024-08-17 19:06:29 C 15 03 01.654 -22 04 39.68 V M22
2024-08-17 20:52:18 C 15 03 38.045 -22 06 03.53 V M22
2024-08-17 20:58:08 C 15 03 40.075 -22 06 07.85 V M22
2024-08-21 23:20:55 B 15 35 35.16 -23 09 00.8 Z X91
2024-08-21 23:27:23 B 15 35 37.10 -23 09 03.9 Z X91
2024-08-21 23:34:02 B 15 35 39.09 -23 09 06.8 Z X91
2024-08-23 10:55:42 B 15 46 07.96 -23 24 33.5 q Q73
2024-08-23 11:03:46 B 15 46 10.26 -23 24 36.2 q Q73
2024-08-23 11:11:48 B 15 46 12.58 -23 24 39.6 q Q73
2024-08-24 00:32:29 C 15 50 02.088 -23 29 41.75 V W68
2024-08-24 00:54:03 C 15 50 08.143 -23 29 49.31 V W68
2024-08-24 01:00:05 C 15 50 09.821 -23 29 51.32 V W68
2024-08-26 23:03:35 B 16 09 05.81 -23 49 48.3 Z X91
2024-08-26 23:13:05 B 16 09 08.23 -23 49 50.4 Z X91
2024-08-26 23:21:01 B 16 09 10.24 -23 49 51.8 Z X91
2024-08-29 23:40:30 C 16 26 52.363 -24 01 13.91 V W68
2024-08-29 23:46:00 C 16 26 53.635 -24 01 14.63 V W68
2024-08-29 23:54:26 C 16 26 55.574 -24 01 15.64 V W68
2024-08-30 00:11:35 C 16 26 59.506 -24 01 17.33 V W68
2024-08-30 10:58:53 B 16 29 28.79 -24 02 19.1 q Q73
2024-08-30 11:09:10 B 16 29 31.13 -24 02 20.0 q Q73
2024-08-30 11:19:32 B 16 29 33.44 -24 02 20.7 q Q73
2024-09-01 00:24:37 C 16 37 50.935 -24 04 51.96 V W68
2024-09-01 00:35:17 C 16 37 53.218 -24 04 52.61 V W68
2024-09-01 00:57:14 C 16 37 57.955 -24 04 53.33 V W68
2024-09-01 18:40:55 C 16 41 46.994 -24 05 32.28 V M22
2024-09-01 19:05:12 C 16 41 52.092 -24 05 32.78 V M22
2024-09-01 19:09:45 C 16 41 53.059 -24 05 32.86 V M22
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)