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
2025-10-25 15:58:48 C 22 58 13.993 +03 20 53.38 W O18
2025-10-25 17:39:10 C 22 58 11.342 +03 20 28.58 W O18
2025-10-26 11:49:44 C 22 57 43.997 +03 16 05.38 V P07
2025-10-26 12:21:47 C 22 57 43.188 +03 15 57.64 V P07
2025-10-26 12:44:26 C 22 57 42.655 +03 15 48.44 W O18
2025-10-26 12:48:24 C 22 57 42.480 +03 15 51.23 V P07
2025-10-26 13:19:22 C 22 57 41.688 +03 15 43.56 V P07
2025-10-26 13:46:59 C 22 57 41.056 +03 15 33.30 W O18
2025-10-26 14:48:36 C 22 57 39.488 +03 15 18.43 W O18
2025-10-27 14:44:36 C 22 57 04.686 +03 09 34.19 W O18
2025-10-27 15:45:41 C 22 57 03.178 +03 09 19.72 W O18
2025-10-27 19:46:29 C 22 56 57.518 +03 08 27.06 V M22
2025-10-27 19:50:24 C 22 56 57.413 +03 08 26.52 V M22
2025-10-27 19:59:31 C 22 56 57.204 +03 08 23.71 V M22
2025-10-27 20:16:29 C 22 56 56.846 +03 08 19.75 V M22
2025-10-28 12:40:29 C 22 56 34.180 +03 04 25.47 W O18
2025-10-28 13:39:17 C 22 56 32.795 +03 04 11.85 W O18
2025-10-28 13:44:37 C 22 56 32.669 +03 04 10.62 W O18
2025-10-28 14:44:46 C 22 56 31.242 +03 03 56.56 W O18
2025-10-29 12:37:32 C 22 56 02.164 +02 58 55.36 W O18
2025-10-29 13:40:34 C 22 56 00.747 +02 58 41.13 W O18
2025-10-29 14:43:04 C 22 55 59.351 +02 58 27.20 W O18
2025-10-30 12:30:58 C 22 55 31.707 +02 53 34.10 W O18
2025-10-30 13:39:23 C 22 55 30.246 +02 53 18.86 W O18
2025-10-30 14:46:15 C 22 55 28.827 +02 53 04.07 W O18
2025-10-31 13:54:54 C 22 55 00.859 +02 48 00.91 W O18
2025-10-31 14:39:07 C 22 54 59.967 +02 47 51.37 W O18
2025-10-31 15:24:51 C 22 54 59.028 +02 47 41.68 W O18
2025-11-03 15:56:08 C 22 53 40.508 +02 32 41.57 W O18
2025-11-03 17:20:12 C 22 53 39.080 +02 32 24.85 W O18
2025-11-09 20:48:21 C 22 51 41.215 +02 05 51.68 V R17
2025-11-09 21:08:42 C 22 51 40.968 +02 05 47.98 V R17
2025-11-09 21:29:05 C 22 51 40.783 +02 05 45.02 V R17
2025-11-09 21:49:28 C 22 51 40.546 +02 05 41.53 V R17
2025-11-10 20:58:04 C 22 51 27.055 +02 02 01.07 V R17
2025-11-10 21:18:28 C 22 51 26.846 +02 01 57.58 V R17
2025-11-10 21:38:49 C 22 51 26.654 +02 01 54.16 V R17
2025-11-10 21:59:11 C 22 51 26.424 +02 01 51.31 V R17
2025-11-11 12:22:09 C 22 51 18.837 +01 59 37.57 W O18
2025-11-11 14:25:44 C 22 51 17.679 +01 59 18.74 W O18
2025-11-11 16:17:21 C 22 51 16.663 +01 59 01.80 W O18
2025-11-11 18:39:05 C 22 51 15.533 +01 58 44.65 V M22
2025-11-11 18:46:15 C 22 51 15.506 +01 58 43.21 V M22
2025-11-11 18:55:59 C 22 51 15.427 +01 58 42.38 V M22
2025-11-11 19:13:40 C 22 51 15.238 +01 58 39.76 V M22
2025-11-12 12:21:43 C 22 51 07.099 +01 56 02.63 W O18
2025-11-12 14:31:00 C 22 51 06.030 +01 55 43.66 W O18
2025-11-12 16:23:35 C 22 51 05.116 +01 55 27.18 W O18
2025-11-13 00:16:21 C 22 51 01.740 +01 54 22.75 V W68
2025-11-13 00:24:18 C 22 51 01.687 +01 54 21.82 V W68
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)