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
2025-09-21 02:08:50 B 23 31 37.277 +07 26 42.76 W X04
2025-09-21 02:13:57 B 23 31 37.054 +07 26 41.39 W X04
2025-09-21 02:21:10 B 23 31 36.679 +07 26 38.69 W X04
2025-09-21 18:41:35 B 23 30 47.83 +07 21 45.0 X M45
2025-09-21 18:44:51 B 23 30 47.70 +07 21 44.1 X M45
2025-09-21 21:39:49 B 23 30 38.89 +07 20 51.4 X L76
2025-09-21 21:42:05 B 23 30 38.75 +07 20 51.0 X L76
2025-09-21 21:44:22 B 23 30 38.63 +07 20 50.4 X L76
2025-09-21 21:46:38 B 23 30 38.53 +07 20 49.5 X L76
2025-09-21 21:48:55 B 23 30 38.41 +07 20 48.7 X L76
2025-09-21 21:51:11 B 23 30 38.28 +07 20 48.0 X L76
2025-09-21 21:53:27 B 23 30 38.17 +07 20 47.6 X L76
2025-09-21 21:55:43 B 23 30 38.06 +07 20 47.0 X L76
2025-09-21 21:58:00 B 23 30 37.93 +07 20 45.9 X L76
2025-09-21 22:00:16 B 23 30 37.81 +07 20 45.2 X L76
2025-09-22 13:16:12 C 23 29 52.589 +07 16 12.90 V P07
2025-09-22 15:35:18 C 23 29 45.523 +07 15 30.60 V P07
2025-09-22 17:03:38 C 23 29 41.062 +07 15 04.32 V P07
2025-09-22 18:10:38 C 23 29 37.670 +07 14 43.33 V P07
2025-09-23 05:28:29 C 23 29 04.391 +07 11 13.92 V G96
2025-09-23 05:35:53 C 23 29 04.024 +07 11 11.65 V G96
2025-09-23 05:45:22 C 23 29 03.545 +07 11 08.70 V G96
2025-09-23 05:54:42 C 23 29 03.080 +07 11 05.96 V G96
2025-09-28 12:08:32 C 23 22 55.615 +06 32 05.68 V P07
2025-09-28 13:32:49 C 23 22 51.557 +06 31 39.90 V P07
2025-09-28 13:35:00 C 23 22 51.456 +06 31 39.00 V P07
2025-09-28 14:58:54 C 23 22 47.393 +06 31 13.12 V P07
2025-09-28 16:05:12 C 23 22 44.210 +06 30 52.42 V P07
2025-09-28 17:21:54 C 23 22 40.476 +06 30 28.01 V P07
2025-09-29 00:50:26 C 23 22 19.313 +06 28 04.58 V R17
2025-09-29 01:10:05 C 23 22 18.377 +06 27 58.28 V R17
2025-09-29 01:29:48 C 23 22 17.438 +06 27 51.95 V R17
2025-09-29 01:49:31 C 23 22 16.486 +06 27 45.72 V R17
2025-09-30 00:10:54 C 23 21 13.524 +06 20 45.35 V R17
2025-09-30 00:30:37 C 23 21 12.583 +06 20 39.23 V R17
2025-09-30 00:50:20 C 23 21 11.628 +06 20 32.86 V R17
2025-09-30 01:10:03 C 23 21 10.704 +06 20 26.88 V R17
2025-09-30 03:26:31 B 23 21 04.393 +06 19 43.00 X H89
2025-09-30 04:52:13 B 23 21 00.402 +06 19 15.61 X H89
2025-09-30 06:15:25 B 23 20 56.377 +06 18 49.28 X H89
2025-09-30 14:37:59 C 23 20 33.146 +06 16 16.54 V P07
2025-09-30 15:19:00 C 23 20 31.229 +06 16 03.72 V P07
2025-09-30 16:18:44 C 23 20 28.361 +06 15 44.82 V P07
2025-09-30 16:37:29 C 23 20 27.480 +06 15 38.38 V P07
2025-09-30 21:14:08 C 23 20 14.774 +06 14 13.63 V M22
2025-09-30 21:18:03 C 23 20 14.544 +06 14 11.36 V M22
2025-09-30 22:03:16 C 23 20 12.461 +06 13 58.01 V M22
2025-09-30 22:10:27 C 23 20 12.101 +06 13 54.37 V M22
2025-10-01 08:37:57 C 23 19 43.185 +06 10 34.46 X F51
2025-10-01 08:56:04 C 23 19 42.328 +06 10 28.74 X 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)