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
2022-09-02 11:52:56 C 22 28 05.731 -02 08 38.58 V T05
2022-09-03 00:35:12 C 22 27 20.340 -02 12 35.82 V M22
2022-09-03 00:41:41 C 22 27 19.958 -02 12 37.98 V M22
2022-09-03 00:48:57 C 22 27 19.510 -02 12 40.39 V M22
2022-09-03 01:05:00 C 22 27 18.533 -02 12 45.36 V M22
2022-09-03 20:41:21 C 22 26 09.21 -02 19 04.5 X G02
2022-09-03 20:49:47 C 22 26 08.71 -02 19 07.6 X G02
2022-09-03 20:58:14 C 22 26 08.22 -02 19 10.4 X G02
2022-09-04 10:06:04 C 22 25 21.799 -02 23 17.81 V T08
2022-09-04 10:11:44 C 22 25 21.485 -02 23 19.72 V T08
2022-09-04 10:20:18 C 22 25 20.954 -02 23 22.16 V T08
2022-09-04 11:07:36 C 22 25 18.103 -02 23 37.07 V T08
2022-09-05 02:46:32 C 22 24 23.501 -02 28 30.29 V W68
2022-09-05 02:51:05 C 22 24 23.213 -02 28 31.94 V W68
2022-09-05 03:24:06 C 22 24 21.257 -02 28 42.10 V W68
2022-09-05 03:29:18 C 22 24 20.954 -02 28 43.82 V W68
2022-09-05 11:58:11 C 22 23 51.600 -02 31 25.00 V P07
2022-09-05 13:06:11 C 22 23 47.594 -02 31 46.67 V P07
2022-09-05 13:42:46 C 22 23 45.39 -02 32 02.7 V D29
2022-09-05 14:06:57 C 22 23 43.98 -02 32 10.3 V D29
2022-09-05 14:31:08 C 22 23 42.54 -02 32 17.9 V D29
2022-09-05 15:27:57 C 22 23 39.199 -02 32 31.24 V P07
2022-09-05 16:32:45 C 22 23 35.395 -02 32 51.76 V P07
2022-09-05 16:35:11 C 22 23 35.215 -02 32 52.62 V P07
2022-09-05 17:56:00 C 22 23 30.451 -02 33 17.35 V P07
2022-09-06 14:59:02 C 22 22 18.014 -02 39 56.20 V P07
2022-09-06 16:06:26 C 22 22 14.047 -02 40 17.22 V P07
2022-09-06 16:06:40 C 22 22 14.04 -02 40 21.9 V D29
2022-09-06 16:32:08 C 22 22 12.55 -02 40 29.8 V D29
2022-09-06 16:57:35 C 22 22 11.07 -02 40 37.8 V D29
2022-09-06 17:19:46 C 22 22 09.794 -02 40 39.68 V P07
2022-09-06 18:06:53 C 22 22 07.037 -02 40 55.13 V P07
2022-09-06 18:07:11 C 22 22 07.030 -02 40 54.98 V P07
2022-09-06 19:27:01 C 22 22 02.362 -02 41 20.51 V P07
2022-09-12 14:10:55 C 22 14 25.65 -03 24 17.1 V D29
2022-09-12 14:23:17 C 22 14 24.98 -03 24 20.7 V D29
2022-09-12 14:35:38 C 22 14 24.34 -03 24 24.1 V D29
2022-09-12 21:04:43 C 22 14 03.94 -03 26 22.4 X G02
2022-09-12 21:10:16 C 22 14 03.68 -03 26 24.2 X G02
2022-09-12 21:15:20 C 22 14 03.43 -03 26 25.7 X G02
2022-09-12 23:49:31 C 22 13 55.23 -03 27 12.0 X L63
2022-09-13 00:01:41 C 22 13 54.60 -03 27 15.7 X L63
2022-09-13 12:15:29 C 22 13 16.831 -03 30 51.19 V P07
2022-09-13 13:46:06 C 22 13 12.072 -03 31 17.90 V P07
2022-09-13 15:02:25 C 22 13 08.018 -03 31 41.16 V P07
2022-09-13 16:04:24 C 22 13 04.747 -03 31 59.81 V P07
2022-09-13 17:06:15 C 22 13 01.517 -03 32 18.42 V P07
2022-09-14 09:56:55 C 22 12 09.899 -03 37 22.61 U F51
2022-09-14 10:14:50 C 22 12 08.967 -03 37 27.93 U F51
2022-09-14 10:32:52 C 22 12 08.029 -03 37 33.27 U F51
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)