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
2010-10-11 05:44:26 C 22 56 00.60 +02 54 29.0 r 703
2010-10-11 05:54:25 C 22 56 00.24 +02 54 26.1 r 703
2010-10-29 02:40:56 C 22 44 09.20 +01 09 34.5 r 703
2010-10-29 02:51:39 C 22 44 09.02 +01 09 32.3 r 703
2010-10-29 03:02:26 C 22 44 08.80 +01 09 29.9 r 703
2010-10-29 03:13:13 C 22 44 08.59 +01 09 27.6 r 703
2010-11-02 03:17:52 C 22 42 32.83 +00 51 19.9 19.6 c 704
2010-11-02 03:35:58 C 22 42 32.46 +00 51 17.1 19.8 c 704
2010-11-02 03:54:04 C 22 42 32.24 +00 51 14.4 19.3 c 704
2010-11-02 04:12:08 C 22 42 31.92 +00 51 10.7 19.6 c 704
2010-11-02 04:30:12 C 22 42 31.60 +00 51 07.4 19.7 c 704
2010-11-03 02:57:43 C 22 42 12.72 +00 47 12.3 19.4 c 704
2010-11-03 03:15:50 C 22 42 12.45 +00 47 09.6 19.9 c 704
2010-11-03 03:33:59 C 22 42 12.25 +00 47 05.4 19.7 c 704
2010-11-03 03:51:59 C 22 42 11.95 +00 47 02.4 19.6 c 704
2010-11-03 04:10:00 C 22 42 11.72 +00 46 58.6 19.5 c 704
2010-11-05 02:29:17 C 22 41 36.69 +00 39 21.1 L W91
2010-11-05 02:32:27 C 22 41 36.66 +00 39 20.7 L W91
2010-11-05 02:39:33 C 22 41 36.56 +00 39 19.6 L W91
2010-11-05 02:42:56 C 22 41 36.52 +00 39 19.0 L W91
2010-11-05 02:50:15 C 22 41 36.44 +00 39 17.8 L W91
2010-11-05 02:53:36 C 22 41 36.39 +00 39 17.3 L W91
2010-11-07 03:10:34 C 22 41 05.83 +00 31 47.7 19.2 c 704
2010-11-07 03:28:54 C 22 41 05.62 +00 31 44.4 19.8 c 704
2010-11-07 03:47:48 C 22 41 05.46 +00 31 41.8 19.8 c 704
2010-11-07 04:24:39 C 22 41 05.01 +00 31 35.9 19.7 c 704
2011-01-16 01:47:03 C 23 09 32.50 +01 29 08.8 r G96
2011-01-16 01:56:20 C 23 09 32.83 +01 29 10.4 r G96
2011-01-16 02:05:40 C 23 09 33.15 +01 29 12.3 r G96
2011-01-16 02:14:58 C 23 09 33.48 +01 29 13.8 r G96
2011-07-31 09:48:24 C 02 59 25.90 +26 08 15.9 18.4 c 704
2011-07-31 10:04:51 C 02 59 26.72 +26 08 21.1 19.0 c 704
2011-07-31 10:21:13 C 02 59 27.53 +26 08 26.6 19.0 c 704
2011-09-21 02:39:15 C 03 51 18.69 +34 00 22.6 c A24
2011-09-21 02:40:18 C 03 51 18.73 +34 00 23.0 c A24
2011-09-21 03:47:00 C 03 51 20.34 +34 00 53.3 c A24
2011-09-21 03:48:03 C 03 51 20.38 +34 00 53.6 c A24
2011-09-23 01:58:38 C 03 52 30.97 +34 22 06.2 c A24
2011-09-23 01:59:40 C 03 52 31.00 +34 22 06.8 c A24
2011-09-23 03:07:34 C 03 52 32.54 +34 22 38.5 c A24
2011-09-23 03:08:36 C 03 52 32.57 +34 22 38.8 c A24
2011-09-30 03:42:47 C 03 55 53.81 +35 44 31.5 o C60
2011-09-30 03:43:27 C 03 55 53.80 +35 44 31.8 o C60
2011-09-30 03:44:07 C 03 55 53.83 +35 44 31.7 o C60
2011-09-30 03:44:47 C 03 55 53.79 +35 44 32.3 o C60
2011-09-30 03:45:27 C 03 55 53.82 +35 44 32.7 o C60
2011-09-30 03:46:07 C 03 55 53.87 +35 44 33.1 o C60
2011-09-30 03:46:47 C 03 55 53.84 +35 44 33.7 o C60
2011-09-30 03:47:26 C 03 55 53.83 +35 44 33.5 o C60
2011-09-30 03:48:07 C 03 55 53.90 +35 44 34.7 o C60
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)