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
2022-07-24 18:12:43 C 23 21 03.38 +01 39 16.1 V D29
2022-07-24 18:33:05 C 23 21 02.55 +01 39 14.1 V D29
2022-07-25 01:06:27 C 23 20 46.896 +01 38 38.44 V M22
2022-07-25 01:11:06 C 23 20 46.704 +01 38 37.97 V M22
2022-07-25 01:15:00 C 23 20 46.553 +01 38 37.61 V M22
2022-07-25 01:51:37 C 23 20 45.031 +01 38 33.79 V M22
2022-07-29 13:12:39 C 23 16 10.317 +01 25 08.97 U F52
2022-07-29 13:30:05 C 23 16 09.510 +01 25 06.45 U F52
2022-07-29 13:47:30 C 23 16 08.694 +01 25 03.99 U F52
2022-07-31 07:41:22 C 23 14 12.401 +01 18 50.62 V W68
2022-07-31 07:42:40 C 23 14 12.358 +01 18 50.15 V W68
2022-07-31 07:45:20 C 23 14 12.223 +01 18 49.46 V W68
2022-07-31 07:46:37 C 23 14 12.151 +01 18 49.57 V W68
2022-07-31 07:53:12 C 23 14 11.827 +01 18 48.24 V W68
2022-07-31 07:54:30 C 23 14 11.791 +01 18 48.31 V W68
2022-07-31 08:12:30 C 23 14 10.910 +01 18 45.29 V W68
2022-07-31 08:15:06 C 23 14 10.783 +01 18 45.04 V W68
2022-08-01 18:48:56 C 23 12 31.25 +01 13 00.3 V D29
2022-08-01 19:15:39 C 23 12 29.92 +01 12 55.8 V D29
2022-08-03 14:25:41 C 23 10 21.060 +01 05 19.25 V T08
2022-08-03 14:35:46 C 23 10 20.537 +01 05 17.20 V T08
2022-08-03 14:40:23 C 23 10 20.311 +01 05 16.37 V T08
2022-08-03 14:52:40 C 23 10 19.658 +01 05 14.39 V T08
2022-08-03 15:08:16 C 23 10 18.859 +01 05 10.54 V T08
2022-08-04 22:54:28 C 23 08 41.39 +00 59 09.2 X G02
2022-08-04 23:01:01 C 23 08 41.05 +00 59 07.8 X G02
2022-08-04 23:07:04 C 23 08 40.73 +00 59 06.4 X G02
2022-08-05 12:55:25 C 23 07 57.370 +00 56 25.69 V T05
2022-08-05 12:59:58 C 23 07 57.108 +00 56 24.61 V T05
2022-08-05 13:08:27 C 23 07 56.650 +00 56 23.32 V T05
2022-08-05 13:23:33 C 23 07 55.853 +00 56 20.04 V T05
2022-08-05 17:38:01 C 23 07 42.607 +00 55 33.28 V P07
2022-08-05 18:54:59 C 23 07 38.453 +00 55 17.51 V P07
2022-08-05 20:04:29 C 23 07 34.692 +00 55 03.61 V P07
2022-08-05 21:08:07 C 23 07 31.282 +00 54 50.69 V P07
2022-08-06 02:20:35 C 23 07 14.844 +00 53 48.41 V M22
2022-08-06 02:25:39 C 23 07 14.563 +00 53 47.44 V M22
2022-08-06 02:34:14 C 23 07 14.102 +00 53 45.89 V M22
2022-08-06 02:51:50 C 23 07 13.140 +00 53 42.32 V M22
2022-08-08 05:52:59 C 23 04 28.322 +00 42 56.92 V W68
2022-08-08 05:54:56 C 23 04 28.260 +00 42 56.56 V W68
2022-08-08 06:21:25 C 23 04 26.758 +00 42 51.19 V W68
2022-08-08 06:29:14 C 23 04 26.314 +00 42 49.07 V W68
2022-08-09 17:15:47 C 23 02 30.790 +00 35 01.86 V P07
2022-08-09 18:22:01 C 23 02 27.000 +00 34 46.99 V P07
2022-08-09 19:34:04 C 23 02 22.874 +00 34 30.50 V P07
2022-08-09 20:35:05 C 23 02 19.380 +00 34 16.32 V P07
2022-08-09 21:37:49 C 23 02 15.811 +00 34 01.92 V P07
2022-08-09 23:09:00 C 23 02 11.023 +00 33 41.83 V M22
2022-08-09 23:13:07 C 23 02 10.802 +00 33 40.43 V M22
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)