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
2024-09-01 19:17:32 C 16 41 54.701 -24 05 32.96 V M22
2024-09-02 20:03:54 C 16 47 05.590 -24 05 54.89 V M22
2024-09-02 20:08:27 C 16 47 06.511 -24 05 53.45 V M22
2024-09-02 20:18:16 C 16 47 08.525 -24 05 55.14 V M22
2024-09-02 20:34:06 C 16 47 11.753 -24 05 54.89 V M22
2024-09-04 03:33:55 C 16 53 26.822 -24 05 35.95 V W68
2024-09-04 03:38:47 C 16 53 27.794 -24 05 36.13 V W68
2024-09-04 03:46:59 C 16 53 29.412 -24 05 35.77 V W68
2024-09-05 00:47:04 C 16 57 35.568 -24 04 59.52 V W68
2024-09-05 00:51:18 C 16 57 36.372 -24 04 59.12 V W68
2024-09-05 01:00:11 C 16 57 38.076 -24 04 58.84 V W68
2024-09-05 10:40:09 B 16 59 29.01 -24 04 33.9 q Q73
2024-09-05 10:45:28 B 16 59 30.03 -24 04 33.7 q Q73
2024-09-05 10:50:48 B 16 59 31.02 -24 04 33.1 q Q73
2024-09-05 17:47:59 C 17 00 50.278 -24 04 14.34 V M22
2024-09-05 17:52:33 C 17 00 51.113 -24 04 14.27 V M22
2024-09-05 18:11:19 C 17 00 54.607 -24 04 12.83 V M22
2024-09-06 18:04:13 C 17 05 20.820 -24 02 50.21 V M22
2024-09-06 18:08:47 C 17 05 21.655 -24 02 49.88 V M22
2024-09-06 18:16:38 C 17 05 23.069 -24 02 49.34 V M22
2024-09-06 18:44:26 C 17 05 28.092 -24 02 47.29 V M22
2024-09-09 01:01:16 C 17 15 05.251 -23 58 25.00 V W68
2024-09-09 01:15:28 C 17 15 07.668 -23 58 23.74 V W68
2024-09-09 01:20:03 C 17 15 08.441 -23 58 23.16 V W68
2024-09-09 01:27:53 C 17 15 09.780 -23 58 22.33 V W68
2024-09-09 17:42:26 C 17 17 55.714 -23 56 46.86 V M22
2024-09-09 17:47:00 C 17 17 56.472 -23 56 46.28 V M22
2024-09-09 18:15:12 C 17 18 01.159 -23 56 43.15 V M22
2024-09-14 18:59:21 C 17 37 04.565 -23 41 37.97 V M22
2024-09-14 19:03:32 C 17 37 05.136 -23 41 37.79 V M22
2024-09-14 19:11:29 C 17 37 06.312 -23 41 37.03 V M22
2024-09-14 19:36:36 C 17 37 09.984 -23 41 32.57 V M22
2024-09-22 19:03:17 C 18 03 08.009 -23 10 08.94 V M22
2024-09-22 19:10:42 C 18 03 08.911 -23 10 07.68 V M22
2024-09-22 19:16:42 C 18 03 09.667 -23 10 06.49 V M22
2024-09-22 19:31:28 C 18 03 11.474 -23 10 03.50 V M22
2024-09-23 09:29:43 B 18 04 55.56 -23 07 32.9 q Q73
2024-09-23 09:35:03 B 18 04 56.20 -23 07 32.0 q Q73
2024-09-23 09:40:23 B 18 04 56.85 -23 07 31.3 q Q73
2024-09-24 02:31:04 C 18 07 00.497 -23 04 25.54 V W68
2024-09-24 02:34:24 C 18 07 00.850 -23 04 25.57 V W68
2024-09-24 02:39:37 C 18 07 01.474 -23 04 24.60 V W68
2024-09-24 02:44:53 C 18 07 02.150 -23 04 23.70 V W68
2024-09-24 02:50:16 C 18 07 02.770 -23 04 22.19 V W68
2024-09-24 03:03:27 C 18 07 04.387 -23 04 20.06 V W68
2024-09-24 03:04:45 C 18 07 04.553 -23 04 19.27 V W68
2024-10-11 18:39:05 C 18 52 07.445 -21 39 31.79 V M22
2024-10-11 18:43:45 C 18 52 07.810 -21 39 30.35 V M22
2024-10-11 18:49:03 C 18 52 08.354 -21 39 29.77 V M22
2024-10-11 19:14:49 C 18 52 10.735 -21 39 23.80 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)