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
2012-08-28 08:02:24 C 22 17 48.57 -03 45 04.3 V G45
2012-09-06 06:05:30 C 22 04 39.75 -04 53 10.2 r 703
2012-09-06 06:13:40 C 22 04 39.25 -04 53 12.2 r 703
2012-09-06 06:21:53 C 22 04 38.78 -04 53 14.8 r 703
2012-09-13 03:21:40 C 21 55 43.71 -05 42 03.0 r 703
2012-09-13 03:30:36 C 21 55 43.32 -05 42 05.5 r 703
2012-09-13 03:39:25 C 21 55 42.81 -05 42 08.3 r 703
2012-09-13 03:48:22 C 21 55 42.34 -05 42 10.5 r 703
2012-09-17 03:31:23 C 21 51 08.35 -06 08 13.7 o 691
2012-09-17 03:46:57 C 21 51 07.56 -06 08 17.1 o 691
2012-09-17 04:02:31 C 21 51 06.89 -06 08 21.6 o 691
2012-09-18 04:59:47 C 21 50 00.17 -06 14 50.8 17.7 c 704
2012-09-18 05:43:26 C 21 49 58.21 -06 15 01.6 18.0 c 704
2012-09-18 06:07:25 C 21 49 57.11 -06 15 07.3 17.9 c 704
2012-09-18 06:28:19 C 21 49 56.19 -06 15 12.5 17.8 c 704
2012-09-21 06:16:18 C 21 46 56.13 -06 33 02.2 r 703
2012-09-21 06:23:32 C 21 46 55.84 -06 33 03.7 r 703
2012-09-21 06:30:50 C 21 46 55.52 -06 33 05.1 r 703
2012-09-21 06:38:17 C 21 46 55.20 -06 33 07.8 r 703
2012-10-15 02:04:07 C 21 33 10.98 -08 09 57.2 18.7 c 704
2012-10-15 02:23:40 C 21 33 10.79 -08 10 01.2 19.7 c 704
2012-10-15 02:43:41 C 21 33 10.56 -08 10 01.6 19.6 c 704
2012-10-15 03:03:25 C 21 33 10.37 -08 10 03.0 19.2 c 704
2012-10-15 03:22:57 C 21 33 10.14 -08 10 05.6 19.4 c 704
2012-10-30 17:57:14 C 21 33 01.44 -08 31 04.5 o B67
2012-10-30 18:22:37 C 21 33 01.64 -08 31 04.8 o B67
2012-10-30 18:47:59 C 21 33 01.83 -08 31 05.0 o B67
2012-11-04 01:37:23 C 21 33 59.60 -08 31 33.7 19.3 c 704
2012-11-04 01:58:50 C 21 33 59.86 -08 31 33.1 19.9 c 704
2012-11-04 02:19:32 C 21 34 00.07 -08 31 33.2 19.6 c 704
2012-11-04 02:41:40 C 21 34 00.31 -08 31 32.4 19.7 c 704
2012-11-04 03:02:20 C 21 34 00.54 -08 31 32.9 19.7 c 704
2012-11-13 01:53:17 C 21 37 12.03 -08 25 56.1 18.9 c 704
2012-11-13 02:14:55 C 21 37 12.41 -08 25 54.8 19.5 c 704
2012-11-13 02:36:55 C 21 37 12.78 -08 25 52.7 19.6 c 704
2012-11-13 02:59:27 C 21 37 13.18 -08 25 51.2 19.2 c 704
2012-11-13 03:21:00 C 21 37 13.60 -08 25 50.9 19.5 c 704
2012-12-07 05:02:42 C 21 52 00.769 -07 31 45.99 L F51
2012-12-07 05:09:35 C 21 52 00.985 -07 31 45.04 L F51
2012-12-07 05:16:30 C 21 52 01.200 -07 31 44.16 L F51
2012-12-07 05:23:25 C 21 52 01.421 -07 31 43.15 L F51
2013-08-01 08:52:51 C 01 14 15.51 +17 13 16.9 N I41
2013-08-01 09:44:34 C 01 14 15.35 +17 13 24.3 N I41
2013-08-01 10:36:26 C 01 14 15.22 +17 13 31.7 N I41
2013-08-02 10:20:15 C 01 14 11.83 +17 16 50.6 N I41
2013-08-02 11:13:21 C 01 14 11.60 +17 16 58.2 N I41
2013-08-03 08:52:45 C 01 14 07.41 +17 19 53.8 N I41
2013-08-03 10:03:37 C 01 14 07.10 +17 20 03.3 N I41
2013-08-03 10:56:17 C 01 14 06.87 +17 20 10.4 N I41
2013-08-04 08:34:35 C 01 14 01.43 +17 23 00.3 N I41
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)