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
2025-10-01 09:14:18 C 23 19 41.472 +06 10 23.01 X F51
2025-10-02 04:22:02 C 23 18 48.978 +06 04 21.97 V G96
2025-10-02 04:30:07 C 23 18 48.600 +06 04 19.38 V G96
2025-10-02 04:38:12 C 23 18 48.229 +06 04 16.79 V G96
2025-10-02 04:46:17 C 23 18 47.858 +06 04 14.23 V G96
2025-10-11 13:04:31 C 23 09 16.487 +04 54 49.61 W O18
2025-10-11 13:41:34 C 23 09 14.954 +04 54 42.55 V P07
2025-10-11 14:06:07 C 23 09 14.047 +04 54 31.41 W O18
2025-10-11 14:46:32 C 23 09 12.350 +04 54 22.79 V P07
2025-10-11 15:07:42 C 23 09 11.591 +04 54 12.79 W O18
2025-10-11 15:54:45 C 23 09 09.658 +04 54 02.52 V P07
2025-10-11 16:59:36 C 23 09 07.061 +04 53 43.01 V P07
2025-10-11 17:02:13 C 23 09 06.946 +04 53 41.96 V P07
2025-10-11 23:53:32 C 23 08 51.125 +04 51 35.17 V R17
2025-10-12 00:13:11 C 23 08 50.335 +04 51 29.12 V R17
2025-10-12 00:32:56 C 23 08 49.574 +04 51 23.26 V R17
2025-10-12 00:52:39 C 23 08 48.833 +04 51 17.64 V R17
2025-10-12 13:02:26 C 23 08 21.051 +04 47 38.33 W O18
2025-10-12 14:03:44 C 23 08 18.657 +04 47 19.96 W O18
2025-10-12 15:05:20 C 23 08 16.271 +04 47 01.75 W O18
2025-10-13 07:44:04 C 23 07 38.551 +04 42 05.52 X F51
2025-10-13 08:02:22 C 23 07 37.846 +04 42 00.15 X F51
2025-10-13 08:39:14 C 23 07 36.427 +04 41 49.22 X F51
2025-10-13 13:02:38 C 23 07 26.736 +04 40 30.07 W O18
2025-10-13 14:04:14 C 23 07 24.391 +04 40 11.93 W O18
2025-10-13 15:06:36 C 23 07 22.023 +04 39 53.48 W O18
2025-10-14 15:29:33 C 23 06 28.206 +04 32 43.07 W O18
2025-10-14 16:08:20 C 23 06 26.787 +04 32 31.70 W O18
2025-10-14 16:54:12 C 23 06 25.064 +04 32 18.21 W O18
2025-10-15 11:50:37 C 23 05 44.417 +04 26 51.04 V P07
2025-10-15 12:51:48 C 23 05 42.190 +04 26 33.50 V P07
2025-10-15 12:54:13 C 23 05 42.163 +04 26 28.89 W O18
2025-10-15 13:56:05 C 23 05 39.918 +04 26 10.92 W O18
2025-10-15 14:04:21 C 23 05 39.552 +04 26 12.30 V P07
2025-10-15 14:55:38 C 23 05 37.694 +04 25 57.83 V P07
2025-10-16 06:49:18 C 23 05 04.290 +04 21 19.71 X F51
2025-10-16 07:06:38 C 23 05 03.670 +04 21 14.80 X F51
2025-10-16 07:24:06 C 23 05 03.042 +04 21 09.71 X F51
2025-10-16 11:51:08 C 23 04 53.832 +04 19 55.63 V P07
2025-10-16 13:02:34 C 23 04 51.286 +04 19 35.29 V P07
2025-10-16 13:51:14 C 23 04 49.643 +04 19 17.50 W O18
2025-10-16 14:18:35 C 23 04 48.605 +04 19 13.91 V P07
2025-10-16 14:53:36 C 23 04 47.438 +04 18 59.52 W O18
2025-10-16 15:26:32 C 23 04 46.181 +04 18 54.40 V P07
2025-10-17 12:48:02 C 23 04 02.693 +04 12 45.89 W O18
2025-10-17 13:50:25 C 23 04 00.535 +04 12 28.58 W O18
2025-10-18 12:51:53 C 23 03 14.702 +04 06 00.36 W O18
2025-10-18 13:57:18 C 23 03 12.512 +04 05 42.19 W O18
2025-10-18 15:03:51 C 23 03 10.280 +04 05 23.59 W O18
2025-10-19 03:40:13 C 23 02 45.816 +04 01 53.94 V G96
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)