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
2022-08-26 17:49:27 C 22 37 57.926 -01 17 34.73 V P07
2022-08-26 18:57:35 C 22 37 53.616 -01 17 55.25 V P07
2022-08-26 21:39:10 C 22 37 43.91 -01 18 51.4 X G02
2022-08-26 21:47:15 C 22 37 43.41 -01 18 53.8 X G02
2022-08-26 21:54:50 C 22 37 42.91 -01 18 56.2 X G02
2022-08-27 10:30:04 C 22 36 56.290 -01 22 48.65 V T08
2022-08-27 10:35:58 C 22 36 55.913 -01 22 50.45 V T08
2022-08-27 10:43:51 C 22 36 55.421 -01 22 52.86 V T08
2022-08-27 11:30:49 C 22 36 52.466 -01 23 07.48 V T08
2022-08-27 11:34:11 C 22 36 52.257 -01 23 08.64 U F51
2022-08-27 11:52:27 C 22 36 51.107 -01 23 14.33 U F51
2022-08-27 12:10:43 C 22 36 49.960 -01 23 20.02 U F51
2022-08-27 12:28:57 C 22 36 48.816 -01 23 25.68 U F51
2022-08-27 13:52:35 C 22 36 44.016 -01 23 48.19 V P07
2022-08-27 16:36:51 C 22 36 33.670 -01 24 39.20 V P07
2022-08-27 17:43:45 C 22 36 29.470 -01 24 59.87 V P07
2022-08-27 18:56:38 C 22 36 24.893 -01 25 22.73 V P07
2022-08-27 18:58:39 C 22 36 24.780 -01 25 23.59 V P07
2022-08-28 04:13:26 C 22 35 50.880 -01 28 15.96 V W68
2022-08-28 04:17:59 C 22 35 50.582 -01 28 17.51 V W68
2022-08-28 04:59:25 C 22 35 47.981 -01 28 30.25 V W68
2022-08-28 05:40:22 C 22 35 45.413 -01 28 43.10 V W68
2022-08-28 14:47:34 C 22 35 11.962 -01 31 35.22 V P07
2022-08-28 16:03:38 C 22 35 07.195 -01 31 58.40 V P07
2022-08-28 16:06:21 C 22 35 07.032 -01 31 59.66 V P07
2022-08-28 17:24:31 C 22 35 02.138 -01 32 24.00 V P07
2022-08-28 18:27:57 C 22 34 58.145 -01 32 44.30 V P07
2022-08-28 18:28:06 C 22 34 58.150 -01 32 43.87 V P07
2022-08-28 19:46:46 C 22 34 53.232 -01 33 09.00 V P07
2022-08-28 19:47:03 C 22 34 53.230 -01 33 08.93 V P07
2022-08-28 23:33:23 C 22 34 39.62 -01 34 25.4 X K19
2022-08-28 23:39:47 C 22 34 39.20 -01 34 27.6 X K19
2022-08-28 23:46:07 C 22 34 38.79 -01 34 29.5 X K19
2022-08-29 09:51:34 C 22 34 01.762 -01 37 37.96 V T05
2022-08-29 09:56:08 C 22 34 01.471 -01 37 39.43 V T05
2022-08-29 10:03:56 C 22 34 01.001 -01 37 41.95 V T05
2022-08-31 09:30:41 C 22 31 07.654 -01 52 40.04 V T08
2022-08-31 09:33:58 C 22 31 07.442 -01 52 41.45 V T08
2022-08-31 09:38:33 C 22 31 07.157 -01 52 42.96 V T08
2022-08-31 10:11:37 C 22 31 05.122 -01 52 53.47 V T08
2022-09-01 03:44:21 C 22 30 01.553 -01 58 22.69 V W68
2022-09-01 03:46:57 C 22 30 01.397 -01 58 23.38 V W68
2022-09-01 06:28:25 C 22 29 51.482 -01 59 14.71 V W68
2022-09-01 06:37:00 C 22 29 50.959 -01 59 17.16 V W68
2022-09-01 08:32:07 C 22 29 44.319 -01 59 58.13 U F52
2022-09-01 08:48:40 C 22 29 43.303 -02 00 03.39 U F52
2022-09-01 09:05:19 C 22 29 42.280 -02 00 08.66 U F52
2022-09-02 11:20:37 C 22 28 07.702 -02 08 28.43 V T05
2022-09-02 11:25:13 C 22 28 07.421 -02 08 29.90 V T05
2022-09-02 11:34:32 C 22 28 06.838 -02 08 32.60 V T05
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)