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
2009-12-10 15:16:06 C 20 16 19.83 -18 16 50.0 18.9 o C20
2009-12-10 15:18:13 C 20 16 19.98 -18 16 49.9 19.4 o C20
2010-06-11 10:28:31 C 00 07 47.38 +06 26 43.7 r 703
2010-06-11 10:36:50 C 00 07 47.71 +06 26 45.9 r 703
2010-06-11 10:45:10 C 00 07 47.78 +06 26 48.2 r 703
2010-06-11 10:53:34 C 00 07 47.92 +06 26 50.6 r 703
2010-06-26 20:13:32 S 00 13 10.04 +07 40 59.6 C51
2010-06-26 23:24:03 S 00 13 11.78 +07 41 31.6 C51
2010-06-27 02:34:34 S 00 13 13.46 +07 42 04.8 C51
2010-06-27 05:45:05 S 00 13 15.20 +07 42 39.7 C51
2010-06-27 07:20:26 S 00 13 16.06 +07 42 53.5 C51
2010-06-27 08:55:36 S 00 13 16.85 +07 43 11.3 C51
2010-06-27 10:30:46 S 00 13 17.69 +07 43 27.7 C51
2010-06-27 10:30:57 S 00 13 17.65 +07 43 27.4 C51
2010-06-27 12:06:07 S 00 13 18.46 +07 43 43.6 C51
2010-06-27 13:41:17 S 00 13 19.24 +07 44 00.8 C51
2010-06-27 16:51:48 S 00 13 20.93 +07 44 31.4 C51
2010-06-27 20:02:19 S 00 13 22.65 +07 45 03.7 C51
2010-06-27 23:12:50 S 00 13 24.11 +07 45 37.5 C51
2010-08-04 09:43:12 C 00 06 14.62 +08 55 32.4 19.5 c 704
2010-08-04 10:01:32 C 00 06 14.14 +08 55 32.4 19.7 c 704
2010-08-04 10:37:11 C 00 06 13.19 +08 55 30.2 19.9 c 704
2010-08-04 10:54:14 C 00 06 12.72 +08 55 30.0 19.9 c 704
2010-08-08 08:01:33 C 00 03 38.05 +08 51 17.3 19.2 c 704
2010-08-08 08:01:43 C 00 03 38.04 +08 51 17.0 18.8 c 704
2010-08-08 08:18:34 C 00 03 37.50 +08 51 16.0 19.4 c 704
2010-08-08 08:18:44 C 00 03 37.49 +08 51 15.7 19.1 c 704
2010-08-08 08:35:37 C 00 03 36.96 +08 51 15.2 19.1 c 704
2010-08-08 08:35:46 C 00 03 37.00 +08 51 15.2 19.3 c 704
2010-08-08 08:52:40 C 00 03 36.49 +08 51 13.9 19.1 c 704
2010-08-08 08:52:49 C 00 03 36.45 +08 51 14.2 18.9 c 704
2010-08-08 09:09:50 C 00 03 35.95 +08 51 13.0 19.1 c 704
2010-08-08 09:10:00 C 00 03 35.94 +08 51 13.0 19.0 c 704
2010-08-11 08:27:41 C 00 01 23.05 +08 46 16.3 18.8 c 704
2010-08-11 08:27:52 C 00 01 23.04 +08 46 15.6 18.7 c 704
2010-08-11 08:45:13 C 00 01 22.46 +08 46 14.6 19.0 c 704
2010-08-11 08:45:23 C 00 01 22.49 +08 46 13.9 18.9 c 704
2010-08-11 09:02:43 C 00 01 21.90 +08 46 13.3 19.4 c 704
2010-08-11 09:02:54 C 00 01 21.90 +08 46 12.8 19.1 c 704
2010-08-11 09:20:16 C 00 01 21.32 +08 46 11.8 19.0 c 704
2010-08-11 09:20:27 C 00 01 21.28 +08 46 11.1 18.9 c 704
2010-08-25 23:48:00 C 23 47 46.66 +07 59 49.1 u 160
2010-08-29 23:48:14 C 23 43 24.62 +07 40 57.0 u 160
2010-08-29 23:51:02 C 23 43 24.49 +07 40 56.3 u 160
2010-08-29 23:54:06 C 23 43 24.36 +07 40 55.5 u 160
2010-08-31 02:20:50 C 23 42 09.77 +07 35 17.4 u 160
2010-08-31 02:24:44 C 23 42 09.56 +07 35 16.8 u 160
2010-08-31 02:28:37 C 23 42 09.37 +07 35 15.7 u 160
2010-09-01 00:52:07 C 23 41 05.72 +07 30 21.3 u 160
2010-09-01 00:55:03 C 23 41 05.58 +07 30 20.9 u 160
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)