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
2011-11-15 05:54:16 C 02 34 35.562 +49 13 51.11 L F51
2011-11-15 06:31:03 C 02 34 24.887 +49 14 20.88 L F51
2011-11-15 06:47:54 C 02 34 19.979 +49 14 34.38 L F51
2011-11-15 17:44:07 C 02 31 10.70 +49 22 28.5 o C77
2011-11-15 17:51:10 C 02 31 08.62 +49 22 34.0 o C77
2011-11-15 17:58:11 C 02 31 06.55 +49 22 39.4 o C77
2011-11-15 18:40:25 C 02 30 53.99 +49 23 12.4 o C77
2011-11-15 18:47:26 C 02 30 51.88 +49 23 17.8 o C77
2011-11-15 18:54:29 C 02 30 49.77 +49 23 23.2 o C77
2011-11-16 18:30:04 C 02 23 38.99 +49 39 53.0 u A81
2011-11-16 19:48:57 C 02 23 13.64 +49 40 48.6 u A81
2011-11-16 22:08:17 C 02 22 28.43 +49 42 22.5 u A81
2011-11-17 00:34:26 C 02 21 40.71 +49 43 54.3 u A81
2011-11-17 01:36:09 C 02 21 20.61 +49 44 31.3 u A81
2011-11-17 02:42:43 C 02 20 59.00 +49 45 10.9 u A81
2011-11-18 01:27:12 C 02 13 28.73 +49 59 04.7 o H21
2011-11-18 01:33:15 C 02 13 26.62 +49 59 08.4 o H21
2011-11-18 01:43:34 C 02 13 23.01 +49 59 14.6 o H21
2011-11-18 01:50:07 C 02 13 20.72 +49 59 18.5 o H21
2011-11-18 02:38:23 C 02 13 03.78 +49 59 47.4 o H21
2011-11-18 02:49:44 C 02 12 59.78 +49 59 54.1 o H21
2011-11-18 02:55:32 C 02 12 57.74 +49 59 57.5 o H21
2011-11-18 03:02:12 C 02 12 55.38 +50 00 01.4 o H21
2011-11-18 03:49:14 C 02 12 38.77 +50 00 28.3 o H21
2011-11-18 03:54:50 C 02 12 36.79 +50 00 31.6 o H21
2011-11-18 04:00:46 C 02 12 34.70 +50 00 34.9 o H21
2011-11-18 04:07:06 C 02 12 32.44 +50 00 38.4 o H21
2011-11-18 04:24:30 C 02 12 26.29 +50 00 48.1 o H21
2011-11-18 04:30:07 C 02 12 24.29 +50 00 51.2 o H21
2011-11-18 04:54:42 C 02 12 15.59 +50 01 04.7 o H21
2011-11-18 05:06:31 C 02 12 11.40 +50 01 11.1 o H21
2011-11-18 05:18:44 C 02 12 07.05 +50 01 17.6 o H21
2011-11-18 05:46:40 C 02 11 57.13 +50 01 32.4 o H21
2011-11-18 06:09:11 C 02 11 49.13 +50 01 44.2 o H21
2011-11-18 06:26:03 C 02 11 43.15 +50 01 52.8 o H21
2011-11-18 06:42:57 C 02 11 37.15 +50 02 01.4 o H21
2011-11-18 19:05:13 C 02 07 17.06 +50 08 28.5 u A81
2011-11-18 20:41:24 C 02 06 41.66 +50 09 18.4 u A81
2011-11-18 22:16:06 C 02 06 06.58 +50 10 04.4 u A81
2011-11-25 22:35:24 C 00 51 05.17 +49 59 56.1 d B66
2011-11-25 22:40:48 C 00 51 02.87 +49 59 49.4 u J93
2011-11-25 22:43:11 C 00 51 01.61 +49 59 47.6 u J93
2011-11-25 22:45:33 C 00 51 00.37 +49 59 45.3 u J93
2011-11-25 23:38:28 C 00 50 31.56 +49 59 01.1 d B66
2011-11-29 13:11:30 C 00 03 04.37 +48 00 37.6 r 168
2011-11-29 13:12:40 C 00 03 03.68 +48 00 35.3 r 168
2011-11-29 13:14:15 C 00 03 02.76 +48 00 32.2 r 168
2011-11-29 13:15:15 C 00 03 02.18 +48 00 30.2 r 168
2011-11-29 13:16:45 C 00 03 01.30 +48 00 27.2 r 168
2011-11-29 14:12:20 C 00 02 28.74 +47 58 37.4 r 168
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)