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
2012-05-18 19:07:09 C 23 16 55.74 -03 16 55.1 r E12
2012-05-18 19:21:50 C 23 16 56.24 -03 16 50.8 r E12
2012-07-18 10:47:27 C 23 16 08.68 +00 13 16.1 r 703
2012-07-18 10:57:10 C 23 16 08.25 +00 13 15.1 r 703
2012-07-18 11:07:01 C 23 16 07.86 +00 13 13.3 r 703
2012-07-18 11:16:46 C 23 16 07.42 +00 13 13.3 r 703
2012-07-21 09:17:15 C 23 13 09.07 +00 05 44.8 17.7 c 704
2012-07-21 09:33:10 C 23 13 08.32 +00 05 43.2 17.9 c 704
2012-07-21 09:49:07 C 23 13 07.58 +00 05 41.5 17.9 c 704
2012-07-21 10:05:07 C 23 13 06.88 +00 05 39.0 18.3 c 704
2012-07-21 10:21:46 C 23 13 06.12 +00 05 37.5 18.6 c 704
2012-08-01 07:04:47 C 22 59 44.22 -00 38 11.0 u H21
2012-08-01 07:08:45 C 22 59 43.99 -00 38 11.7 u H21
2012-08-01 07:12:15 C 22 59 43.79 -00 38 12.5 u H21
2012-08-01 07:15:20 C 22 59 43.61 -00 38 13.0 u H21
2012-08-01 07:21:55 C 22 59 43.21 -00 38 14.4 u H21
2012-08-01 07:25:26 C 22 59 43.01 -00 38 15.3 u H21
2012-08-01 07:28:27 C 22 59 42.84 -00 38 15.9 u H21
2012-08-01 07:31:29 C 22 59 42.66 -00 38 16.4 u H21
2012-08-02 06:23:00 C 22 58 23.38 -00 43 13.6 u H21
2012-08-02 06:29:35 C 22 58 22.99 -00 43 15.5 u H21
2012-08-02 06:36:09 C 22 58 22.60 -00 43 16.9 u H21
2012-08-02 06:43:06 C 22 58 22.18 -00 43 18.4 u H21
2012-08-07 08:50:27 C 22 50 58.00 -01 12 30.9 u H21
2012-08-07 08:54:00 C 22 50 57.77 -01 12 31.8 u H21
2012-08-07 08:57:18 C 22 50 57.57 -01 12 32.6 u H21
2012-08-07 09:00:36 C 22 50 57.36 -01 12 33.4 u H21
2012-08-07 09:03:54 C 22 50 57.14 -01 12 34.4 u H21
2012-08-07 09:08:34 C 22 50 56.85 -01 12 35.5 u H21
2012-08-10 12:47:30 c 22 46 07.745 -01 32 44.82 L F51
2012-08-10 13:02:34 c 22 46 06.743 -01 32 49.54 L F51
2012-08-12 07:32:47 C 22 43 20.82 -01 44 47.5 r 703
2012-08-12 07:40:15 C 22 43 20.35 -01 44 49.2 r 703
2012-08-12 07:47:45 C 22 43 19.84 -01 44 51.6 r 703
2012-08-12 07:55:11 C 22 43 19.30 -01 44 53.7 r 703
2012-08-19 22:43:32 C 22 31 08.35 -02 40 14.5 u A13
2012-08-19 23:16:35 C 22 31 06.10 -02 40 24.8 u A13
2012-08-20 19:17:45 C 22 29 45.54 -02 46 45.9 r 168
2012-08-20 20:39:35 C 22 29 39.99 -02 47 11.9 r 168
2012-08-24 05:15:25 C 22 24 17.28 -03 13 01.9 r 703
2012-08-24 05:24:00 C 22 24 16.66 -03 13 03.2 r 703
2012-08-24 05:32:35 C 22 24 16.09 -03 13 07.8 r 703
2012-08-24 05:41:03 C 22 24 15.51 -03 13 11.0 r 703
2012-08-25 09:56:54 c 22 22 23.301 -03 22 18.87 L F51
2012-08-25 10:11:47 c 22 22 22.295 -03 22 24.01 L F51
2012-08-25 10:27:18 c 22 22 21.246 -03 22 28.68 L F51
2012-08-25 10:42:58 c 22 22 20.188 -03 22 33.97 L F51
2012-08-28 05:16:34 C 22 17 59.53 -03 44 10.3 V G45
2012-08-28 05:34:18 C 22 17 58.34 -03 44 16.1 V G45
2012-08-28 06:30:28 C 22 17 54.66 -03 44 34.5 V G45
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)