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
2025-11-13 00:36:13 C 22 51 01.570 +01 54 19.66 V W68
2025-11-13 01:12:06 C 22 51 01.325 +01 54 15.12 V W68
2025-11-13 01:28:01 C 22 51 01.198 +01 54 13.28 V W68
2025-11-13 01:46:12 C 22 51 01.003 +01 54 08.53 V W68
2025-11-13 02:00:07 C 22 51 00.893 +01 54 07.02 V W68
2025-11-13 02:27:57 C 22 51 00.710 +01 54 03.78 V W68
2025-11-13 11:56:30 C 22 50 56.88 +01 52 39.8 V D29
2025-11-13 12:16:52 C 22 50 56.73 +01 52 37.0 V D29
2025-11-13 12:37:14 C 22 50 56.59 +01 52 34.3 V D29
2025-11-13 15:42:05 C 22 50 55.317 +01 52 08.05 W O18
2025-11-13 16:34:50 C 22 50 54.946 +01 52 00.67 W O18
2025-11-14 12:30:40 C 22 50 47.70 +01 49 17.4 V D29
2025-11-14 12:51:02 C 22 50 47.57 +01 49 14.5 V D29
2025-11-14 13:11:23 C 22 50 47.45 +01 49 11.8 V D29
2025-11-15 15:42:30 C 22 50 39.224 +01 45 43.49 W O18
2025-11-15 16:34:36 C 22 50 38.955 +01 45 36.73 W O18
2025-11-16 12:16:19 C 22 50 34.158 +01 43 09.43 W O18
2025-11-16 14:10:52 C 22 50 33.632 +01 42 55.46 W O18
2025-11-16 16:04:22 C 22 50 33.156 +01 42 41.56 W O18
2025-11-17 12:06:41 C 22 50 29.374 +01 40 18.71 W O18
2025-11-17 13:40:48 C 22 50 29.063 +01 40 07.68 W O18
2025-11-17 15:14:02 C 22 50 28.722 +01 39 56.85 W O18
2025-11-18 11:48:23 C 22 50 25.968 +01 37 37.33 W O18
2025-11-18 13:12:25 C 22 50 25.747 +01 37 28.09 W O18
2025-11-19 12:24:02 C 22 50 23.759 +01 34 58.93 W O18
2025-11-19 14:26:08 C 22 50 23.552 +01 34 46.36 W O18
2025-11-19 16:08:56 C 22 50 23.415 +01 34 35.81 W O18
2025-11-20 12:13:41 C 22 50 22.996 +01 32 34.26 W O18
2025-11-20 14:05:37 C 22 50 22.909 +01 32 23.32 W O18
2025-11-20 15:59:31 C 22 50 22.842 +01 32 12.12 W O18
2025-11-22 12:12:32 C 22 50 25.350 +01 28 08.58 W O18
2025-11-22 14:04:30 C 22 50 25.467 +01 27 59.12 W O18
2025-11-22 16:21:55 C 22 50 25.658 +01 27 47.49 W O18
2025-11-24 12:10:29 C 22 50 32.842 +01 24 17.34 W O18
2025-11-24 13:14:05 C 22 50 33.030 +01 24 12.71 W O18
2025-11-24 13:15:52 C 22 50 33.029 +01 24 12.43 W O18
2025-11-24 14:08:17 C 22 50 33.185 +01 24 08.73 W O18
2025-11-24 14:10:04 C 22 50 33.187 +01 24 08.54 W O18
2025-11-25 14:49:22 C 22 50 39.095 +01 22 23.63 W O18
2025-11-25 14:50:24 C 22 50 39.086 +01 22 23.76 W O18
2025-11-25 15:58:51 C 22 50 39.355 +01 22 19.05 W O18
2025-11-26 12:11:59 C 22 50 45.372 +01 20 59.92 W O18
2025-11-26 13:26:01 C 22 50 45.701 +01 20 55.41 W O18
2025-11-26 13:27:48 C 22 50 45.716 +01 20 55.33 W O18
2025-11-26 14:20:14 C 22 50 45.962 +01 20 52.03 W O18
2025-11-26 14:22:00 C 22 50 45.967 +01 20 51.83 W O18
2025-11-27 12:11:18 C 22 50 53.472 +01 19 33.96 W O18
2025-11-27 13:14:44 C 22 50 53.839 +01 19 30.24 W O18
2025-11-27 13:16:30 C 22 50 53.847 +01 19 30.18 W O18
2025-11-27 14:08:59 C 22 50 54.105 +01 19 27.34 W O18
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)