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
2007-08-04 22:50:28 C 22 48 36.76 -02 01 22.1 o 151
2007-08-04 22:52:38 C 22 48 36.61 -02 01 22.7 o 151
2007-08-04 22:54:47 C 22 48 36.48 -02 01 23.4 o 151
2007-08-04 22:56:59 C 22 48 36.33 -02 01 23.9 o 151
2007-08-04 22:59:09 C 22 48 36.19 -02 01 24.3 o 151
2007-08-05 21:43:49 C 22 47 06.77 -02 07 21.9 r 084
2007-08-05 21:46:59 C 22 47 06.59 -02 07 22.5 r 084
2007-08-05 23:08:00 C 22 47 01.17 -02 07 44.5 r 084
2007-08-06 07:46:36 C 22 46 27.00 -02 10 00.4 17.2 c 704
2007-08-06 08:03:08 C 22 46 25.88 -02 10 04.5 17.3 c 704
2007-08-06 08:36:02 C 22 46 23.66 -02 10 13.1 17.6 c 704
2007-08-08 23:00:17 C 22 42 12.49 -02 27 27.3 r 084
2007-08-11 23:12:27 C 22 37 14.93 -02 48 29.9 r 084
2007-08-11 23:15:40 C 22 37 14.69 -02 48 31.1 r 084
2007-08-12 23:02:11 C 22 35 35.48 -02 55 40.5 r 084
2007-08-12 23:05:24 C 22 35 35.21 -02 55 41.7 r 084
2007-08-13 06:10:37 C 22 35 05.77 -02 57 49.1 17.2 c 704
2007-08-13 06:25:50 C 22 35 04.69 -02 57 53.8 17.1 c 704
2007-08-13 06:27:29 C 22 35 04.57 -02 57 53.7 17.4 c 704
2007-08-13 06:43:05 C 22 35 03.46 -02 57 59.0 17.2 c 704
2007-08-13 06:44:37 C 22 35 03.35 -02 57 59.2 17.4 c 704
2007-08-13 07:00:20 C 22 35 02.24 -02 58 04.1 17.0 c 704
2007-08-13 07:01:25 C 22 35 02.19 -02 58 04.5 17.5 c 704
2007-08-13 07:17:30 C 22 35 01.01 -02 58 09.4 17.3 c 704
2007-08-13 07:18:35 C 22 35 00.92 -02 58 09.2 17.5 c 704
2007-08-13 07:34:41 C 22 34 59.77 -02 58 14.6 16.9 c 704
2007-08-13 21:50:38 C 22 33 59.96 -03 02 38.8 r 084
2007-08-13 21:53:51 C 22 33 59.73 -03 02 39.7 r 084
2007-08-15 15:55:42 C 22 31 02.697 -03 15 41.31 o 900
2007-08-16 00:05:39 C 22 30 28.16 -03 18 17.8 r 084
2007-08-16 00:08:53 C 22 30 27.93 -03 18 18.6 r 084
2007-08-16 06:15:14 C 22 30 02.35 -03 20 12.5 17.6 c 704
2007-08-16 06:22:38 C 22 30 01.82 -03 20 15.3 17.1 c 704
2007-08-16 06:33:04 C 22 30 01.09 -03 20 18.1 17.9 c 704
2007-08-16 06:40:28 C 22 30 00.52 -03 20 20.6 17.6 c 704
2007-08-16 06:50:45 C 22 29 59.79 -03 20 23.6 17.8 c 704
2007-08-16 06:58:10 C 22 29 59.28 -03 20 26.1 17.6 c 704
2007-08-16 07:08:27 C 22 29 58.52 -03 20 29.4 17.8 c 704
2007-08-16 07:15:51 C 22 29 58.03 -03 20 31.6 17.1 c 704
2007-08-16 07:26:08 C 22 29 57.25 -03 20 34.8 17.8 c 704
2007-08-16 07:33:32 C 22 29 56.74 -03 20 37.6 17.4 c 704
2007-08-16 20:44:44 C 22 29 01.20 -03 24 48.1 c 104
2007-08-16 21:31:05 C 22 28 57.89 -03 25 02.8 c 104
2007-08-17 00:00:57 C 22 28 47.10 -03 25 51.9 r 084
2007-08-17 00:39:38 C 22 28 44.39 -03 26 02.9 c 104
2007-08-17 23:42:24 C 22 27 06.99 -03 33 25.4 r 084
2007-08-17 23:45:38 C 22 27 06.76 -03 33 26.6 r 084
2007-08-18 22:11:43 C 22 25 32.05 -03 40 39.4 r 084
2007-08-18 23:48:29 C 22 25 25.16 -03 41 10.5 r 084
2007-08-18 23:51:42 C 22 25 24.93 -03 41 11.6 r 084
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)