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
2007-08-19 23:44:22 C 22 23 44.20 -03 48 55.2 r 084
2007-08-22 06:10:57 C 22 19 55.82 -04 06 38.3 17.4 c 704
2007-08-22 06:29:04 C 22 19 54.47 -04 06 44.4 17.4 c 704
2007-08-22 06:47:11 C 22 19 53.18 -04 06 50.5 17.6 c 704
2007-08-22 07:05:18 C 22 19 51.94 -04 06 56.1 17.3 c 704
2007-08-22 07:23:22 C 22 19 50.67 -04 07 02.2 17.3 c 704
2007-08-23 22:03:25 C 22 17 09.76 -04 19 43.9 r 084
2007-08-24 21:27:50 C 22 15 33.09 -04 27 24.9 r 084
2007-08-24 23:12:11 C 22 15 25.81 -04 27 58.7 r 084
2007-09-01 00:40:20 C 22 04 11.25 -05 22 57.1 r 084
2007-09-02 03:29:19 C 22 02 29.79 -05 31 18.8 r 808
2007-09-02 03:41:19 C 22 02 29.08 -05 31 22.9 r 808
2007-09-02 03:56:00 C 22 02 28.16 -05 31 27.4 r 808
2007-09-03 06:07:56 C 22 00 50.47 -05 39 45.8 r 703
2007-09-03 06:17:55 C 22 00 49.86 -05 39 49.5 r 703
2007-09-03 06:38:00 C 22 00 48.63 -05 39 55.0 r 703
2007-09-04 22:17:28 C 21 58 24.01 -05 52 13.2 r 084
2007-09-04 22:20:40 C 21 58 23.85 -05 52 14.1 r 084
2007-09-05 21:51:15 C 21 57 00.14 -05 59 24.4 r 084
2007-09-07 19:59:07 C 21 54 20.32 -06 13 12.6 r 084
2007-09-07 21:54:31 C 21 54 13.74 -06 13 46.8 r 084
2007-09-07 23:18:26 C 21 54 08.93 -06 14 12.0 r 084
2007-09-07 23:21:40 C 21 54 08.74 -06 14 12.3 r 084
2007-09-09 20:14:22 C 21 51 39.77 -06 27 15.6 r 084
2007-09-09 20:17:35 C 21 51 39.57 -06 27 16.5 r 084
2007-09-10 04:28:07 C 21 51 13.17 -06 29 34.2 r 703
2007-09-10 04:38:21 C 21 51 12.60 -06 29 37.3 r 703
2007-09-10 04:48:34 C 21 51 12.02 -06 29 40.1 r 703
2007-09-10 04:58:44 C 21 51 11.48 -06 29 42.7 r 703
2007-09-10 19:45:21 C 21 50 24.04 -06 33 56.2 r 084
2007-09-10 22:58:07 C 21 50 13.73 -06 34 49.8 r 084
2007-09-11 19:32:48 C 21 49 09.30 -06 40 35.6 r 084
2007-09-11 23:21:29 C 21 48 57.29 -06 41 38.7 r 084
2007-09-11 23:24:43 C 21 48 57.15 -06 41 39.6 r 084
2007-09-13 05:11:02 C 21 47 26.66 -06 49 46.1 o 699
2007-09-13 05:42:36 C 21 47 25.10 -06 49 54.7 o 699
2007-09-13 06:14:10 C 21 47 23.46 -06 50 02.8 o 699
2007-09-13 06:45:46 C 21 47 21.83 -06 50 11.7 o 699
2007-09-14 04:22:31 C 21 46 18.15 -06 55 58.1 17.5 c 704
2007-09-14 04:40:03 C 21 46 17.28 -06 56 02.8 17.7 c 704
2007-09-14 04:57:26 C 21 46 16.43 -06 56 08.1 18.2 c 704
2007-09-14 05:14:51 C 21 46 15.55 -06 56 13.4 18.3 c 704
2007-09-14 05:32:13 C 21 46 14.68 -06 56 16.6 17.7 c 704
2007-09-14 20:42:45 C 21 45 30.78 -07 00 17.7 r 084
2007-09-14 20:45:58 C 21 45 30.65 -07 00 18.5 r 084
2007-09-14 21:18:46 C 21 45 29.03 -07 00 26.7 r 084
2007-09-14 21:21:59 C 21 45 28.89 -07 00 27.7 r 084
2007-09-16 05:26:37 C 21 43 58.97 -07 08 42.1 17.6 c 704
2007-09-16 05:43:18 C 21 43 58.18 -07 08 46.0 17.9 c 704
2007-09-16 06:00:07 C 21 43 57.34 -07 08 50.0 17.9 c 704
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)