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
2001-10-13 19:37:30 C 02 34 22.39 +33 29 24.4 c 113
2001-10-13 19:39:42 C 02 34 22.19 +33 29 24.7 c 113
2001-10-13 19:41:53 C 02 34 22.03 +33 29 25.3 c 113
2001-10-13 19:44:05 C 02 34 21.88 +33 29 25.7 c 113
2001-10-13 19:46:18 C 02 34 21.70 +33 29 25.4 c 113
2001-10-15 07:38:14 C 02 31 33.78 +33 33 47.8 16.4 c 704
2001-10-15 08:00:57 C 02 31 31.89 +33 33 49.9 17.7 c 704
2001-10-15 08:23:40 C 02 31 30.00 +33 33 52.0 17.1 c 704
2001-10-15 08:46:21 C 02 31 28.13 +33 33 54.8 17.0 c 704
2001-10-15 09:09:05 C 02 31 26.25 +33 33 56.7 16.8 c 704
2001-10-17 07:37:05 C 02 27 33.23 +33 38 09.4 16.0 c 704
2001-10-17 07:59:57 C 02 27 31.17 +33 38 11.2 16.0 c 704
2001-10-17 08:23:01 C 02 27 29.11 +33 38 13.0 16.3 c 704
2001-10-17 08:45:53 C 02 27 27.07 +33 38 14.5 16.4 c 704
2001-10-17 09:08:48 C 02 27 25.04 +33 38 15.6 16.4 c 704
2001-10-22 20:46:11 C 02 14 50.92 +33 40 25.4 610
2001-10-22 20:50:10 C 02 14 50.49 +33 40 25.2 610
2001-10-22 20:54:10 C 02 14 50.06 +33 40 25.0 610
2001-10-22 20:58:11 C 02 14 49.63 +33 40 24.8 610
2001-10-22 21:02:11 C 02 14 49.20 +33 40 24.5 610
2001-10-26 20:08:07 C 02 04 21.780 +33 31 23.12 195
2001-10-26 20:20:44 C 02 04 20.279 +33 31 20.95 195
2001-10-26 20:36:31 C 02 04 18.457 +33 31 19.04 195
2001-10-27 03:12:08 C 02 03 32.51 +33 30 21.0 450
2001-10-27 03:39:48 C 02 03 29.23 +33 30 17.1 450
2001-10-27 04:51:33 C 02 03 20.98 +33 30 05.3 c 699
2001-10-27 05:15:12 C 02 03 18.15 +33 30 01.9 c 699
2001-10-27 05:38:51 C 02 03 15.33 +33 29 58.1 c 699
2001-10-27 05:51:08 C 02 03 13.75 +33 29 56.8 15.6 c 704
2001-10-27 06:02:31 C 02 03 12.51 +33 29 54.6 c 699
2001-10-27 06:14:43 C 02 03 10.93 +33 29 53.5 16.1 c 704
2001-10-27 06:38:18 C 02 03 08.10 +33 29 50.0 15.8 c 704
2001-10-27 06:43:05 C 02 03 07.71 +33 29 48.3 o 644
2001-10-27 06:58:03 C 02 03 05.92 +33 29 46.0 o 644
2001-10-27 07:01:53 C 02 03 05.27 +33 29 46.4 15.7 c 704
2001-10-27 07:12:54 C 02 03 04.13 +33 29 43.6 o 644
2001-10-27 07:25:58 C 02 03 02.39 +33 29 42.8 15.8 c 704
2001-10-28 03:09:07 C 02 00 43.34 +33 26 11.5 c 642
2001-10-28 03:13:07 C 02 00 42.72 +33 26 10.8 c 642
2001-10-28 03:17:47 C 02 00 42.18 +33 26 10.1 c 642
2001-10-28 03:22:31 C 02 00 41.78 +33 26 09.1 c 642
2001-10-30 20:13:03 C 01 52 45.01 +33 11 30.9 151
2001-10-30 20:17:30 C 01 52 44.42 +33 11 29.9 151
2001-10-30 20:20:32 C 01 52 44.07 +33 11 28.7 151
2001-10-30 20:24:25 C 01 52 43.52 +33 11 27.7 151
2001-10-30 20:28:33 C 01 52 42.96 +33 11 26.9 151
2001-10-30 20:32:15 C 01 52 42.54 +33 11 26.7 151
2001-11-01 21:01:29 C 01 46 30.14 +32 56 49.0 m 611
2001-11-01 21:04:26 C 01 46 29.66 +32 56 48.5 m 611
2001-11-01 21:07:48 C 01 46 29.17 +32 56 47.2 m 611
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)