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
2001-11-14 18:58:45 C 01 03 51.67 +30 04 34.4 c 127
2001-11-14 19:25:02 C 01 03 47.88 +30 04 14.6 d 631
2001-11-14 20:35:21 C 01 03 38.08 +30 03 21.0 d 631
2001-11-15 07:12:48 C 01 02 08.79 +29 55 05.3 15.5 c 704
2001-11-15 07:34:01 C 01 02 05.78 +29 54 48.4 15.5 c 704
2001-11-15 07:55:12 C 01 02 02.82 +29 54 31.4 15.5 c 704
2001-11-15 08:16:23 C 01 01 59.84 +29 54 14.3 15.7 c 704
2001-11-15 08:37:38 C 01 01 56.89 +29 53 57.2 15.6 c 704
2001-11-16 19:09:40 C 00 57 11.95 +29 25 56.1 151
2001-11-16 19:10:56 C 00 57 11.76 +29 25 55.2 151
2001-11-16 19:13:29 C 00 57 11.41 +29 25 52.4 151
2001-11-16 19:14:25 C 00 57 11.30 +29 25 52.3 151
2001-11-16 19:39:00 C 00 57 07.81 +29 25 32.9 610
2001-11-16 19:43:01 C 00 57 07.25 +29 25 29.6 610
2001-11-16 19:47:01 C 00 57 06.69 +29 25 26.3 610
2001-11-16 19:51:00 C 00 57 06.14 +29 25 23.0 610
2001-11-16 19:55:00 C 00 57 05.58 +29 25 19.7 610
2001-11-21 19:53:55 C 00 41 04.32 +27 37 47.0 a 233
2001-11-21 20:05:54 C 00 41 02.78 +27 37 35.6 a 233
2001-11-21 20:09:55 C 00 41 02.25 +27 37 31.7 a 233
2001-11-21 20:49:55 C 00 40 57.05 +27 36 53.7 a 233
2001-11-21 20:53:55 C 00 40 56.53 +27 36 50.3 a 233
2001-11-21 20:57:54 C 00 40 56.04 +27 36 46.5 a 233
2001-11-30 21:56:46 C 00 15 17.77 +23 55 13.8 15.0 939
2001-11-30 22:08:11 C 00 15 16.52 +23 55 01.2 15.0 939
2001-11-30 22:19:35 C 00 15 15.27 +23 54 48.8 15.0 939
2001-12-07 18:25:06 C 23 59 29.80 +20 59 20.5 a 233
2001-12-07 18:30:29 C 23 59 29.44 +20 59 16.6 a 233
2001-12-07 18:34:30 C 23 59 29.11 +20 59 12.2 a 233
2001-12-07 18:38:31 C 23 59 28.74 +20 59 08.1 a 233
2001-12-07 18:42:32 C 23 59 28.37 +20 59 03.6 a 233
2001-12-07 18:46:29 C 23 59 28.04 +20 58 59.8 a 233
2001-12-07 18:50:29 C 23 59 27.68 +20 58 55.4 a 233
2001-12-07 18:54:29 C 23 59 27.31 +20 58 51.0 a 233
2001-12-07 18:58:28 C 23 59 26.97 +20 58 46.6 a 233
2001-12-07 19:02:29 C 23 59 26.63 +20 58 42.5 a 233
2001-12-07 19:06:29 C 23 59 26.28 +20 58 38.1 a 233
2001-12-07 19:10:30 C 23 59 25.90 +20 58 33.7 a 233
2001-12-07 19:14:30 C 23 59 25.58 +20 58 29.7 a 233
2001-12-07 19:18:29 C 23 59 25.17 +20 58 25.3 a 233
2001-12-08 17:37:31 C 23 57 32.11 +20 34 44.3 c 185
2001-12-08 17:45:16 C 23 57 31.45 +20 34 36.2 c 185
2001-12-08 17:50:41 C 23 57 30.98 +20 34 30.4 c 185
2001-12-08 17:53:17 C 23 57 30.76 +20 34 27.7 c 185
2001-12-08 17:56:00 C 23 57 30.52 +20 34 24.7 c 185
2001-12-08 17:58:20 C 23 57 30.33 +20 34 22.3 c 185
2001-12-08 20:09:29 C 23 57 19.03 +20 32 03.4 c 130
2001-12-08 20:23:00 C 23 57 17.88 +20 31 49.0 c 130
2001-12-08 20:48:00 C 23 57 15.74 +20 31 22.4 c 130
2001-12-08 21:15:59 C 23 57 13.36 +20 30 52.4 c 130
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)