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
2022-08-09 23:17:40 C 23 02 10.548 +00 33 39.42 V M22
2022-08-09 23:32:06 C 23 02 09.696 +00 33 36.40 V M22
2022-08-16 22:34:19 C 22 52 24.87 -00 08 38.2 X G02
2022-08-16 22:42:23 C 22 52 24.36 -00 08 40.3 X G02
2022-08-16 22:49:56 C 22 52 23.90 -00 08 42.5 X G02
2022-08-16 23:04:59 C 22 52 23.01 -00 08 46.4 V M26
2022-08-16 23:07:42 C 22 52 22.84 -00 08 46.5 V M26
2022-08-16 23:10:26 C 22 52 22.70 -00 08 47.5 V M26
2022-08-17 10:24:56 C 22 51 42.029 -00 11 50.46 V T05
2022-08-17 10:29:30 C 22 51 41.743 -00 11 51.97 V T05
2022-08-17 10:44:23 C 22 51 40.822 -00 11 56.00 V T05
2022-08-17 11:25:21 C 22 51 38.302 -00 12 07.34 V T05
2022-08-17 16:17:25 C 22 51 20.69 -00 13 28.5 V D29
2022-08-17 16:47:57 C 22 51 18.82 -00 13 37.5 V D29
2022-08-17 17:18:30 C 22 51 16.90 -00 13 46.0 V D29
2022-08-18 18:29:43 C 22 49 45.08 -00 20 47.1 V D29
2022-08-18 18:50:05 C 22 49 43.83 -00 20 52.9 V D29
2022-08-18 19:10:27 C 22 49 42.56 -00 20 58.6 V D29
2022-08-19 12:09:38 C 22 48 40.478 -00 25 46.24 V T08
2022-08-19 12:14:59 C 22 48 40.121 -00 25 47.50 V T08
2022-08-19 13:00:13 C 22 48 37.296 -00 26 00.60 V T08
2022-08-19 13:08:55 C 22 48 36.758 -00 26 02.54 V T08
2022-08-20 05:55:09 C 22 47 35.294 -00 30 47.05 V W68
2022-08-20 06:05:17 C 22 47 34.651 -00 30 50.11 V W68
2022-08-20 06:19:32 C 22 47 33.751 -00 30 54.29 V W68
2022-08-20 06:25:24 C 22 47 33.382 -00 30 55.84 V W68
2022-08-21 10:27:06 C 22 45 50.184 -00 39 09.14 V T05
2022-08-21 10:29:42 C 22 45 50.028 -00 39 09.90 V T05
2022-08-21 11:02:03 C 22 45 48.000 -00 39 19.12 V T05
2022-08-21 11:15:42 C 22 45 47.119 -00 39 23.54 V T05
2022-08-22 16:25:48 C 22 43 59.24 -00 48 01.5 V D29
2022-08-22 16:46:10 C 22 43 57.97 -00 48 07.5 V D29
2022-08-22 17:06:32 C 22 43 56.68 -00 48 13.6 V D29
2022-08-23 11:15:53 C 22 42 49.382 -00 53 38.72 V T08
2022-08-23 11:25:49 C 22 42 48.754 -00 53 41.42 V T08
2022-08-23 11:30:25 C 22 42 48.463 -00 53 42.94 V T08
2022-08-23 11:48:17 C 22 42 47.318 -00 53 48.37 V T08
2022-08-24 04:17:16 C 22 41 46.318 -00 58 42.35 V W68
2022-08-24 04:21:49 C 22 41 46.042 -00 58 44.08 V W68
2022-08-24 04:27:40 C 22 41 45.674 -00 58 45.95 V W68
2022-08-24 04:35:29 C 22 41 45.161 -00 58 48.14 V W68
2022-08-25 05:59:22 C 22 40 11.00 -01 06 37.1 q W29
2022-08-25 06:13:48 C 22 40 09.93 -01 06 41.3 q W29
2022-08-25 06:23:53 C 22 40 09.32 -01 06 45.4 q W29
2022-08-25 15:49:23 C 22 39 34.42 -01 09 37.8 V D29
2022-08-25 16:13:34 C 22 39 32.90 -01 09 45.3 V D29
2022-08-25 16:37:45 C 22 39 31.38 -01 09 52.7 V D29
2022-08-26 13:52:18 C 22 38 12.850 -01 16 20.60 V P07
2022-08-26 16:40:39 C 22 38 02.225 -01 17 13.16 V P07
2022-08-26 17:47:30 C 22 37 58.051 -01 17 34.40 V P07
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)