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
2018-11-06 09:29:20 C 23 48 03.62 +11 34 50.2 U T08
2018-11-06 09:43:34 C 23 48 03.09 +11 34 45.2 U T08
2018-11-07 05:12:53 C 23 47 20.314 +11 27 39.04 U F52
2018-11-07 05:31:24 C 23 47 19.621 +11 27 32.33 U F52
2018-11-07 05:49:58 C 23 47 18.924 +11 27 25.65 U F52
2018-11-07 06:08:34 C 23 47 18.228 +11 27 18.95 U F52
2018-11-08 03:46:01 C 23 46 31.82 +11 19 30.0 V 703
2018-11-08 03:53:39 C 23 46 31.54 +11 19 27.7 V 703
2018-11-08 04:01:17 C 23 46 31.26 +11 19 24.7 V 703
2018-11-08 04:08:55 C 23 46 30.98 +11 19 22.2 V 703
2018-11-09 09:35:10 C 23 45 30.07 +11 08 55.0 U T05
2018-11-09 09:50:07 C 23 45 29.58 +11 08 49.8 U T05
2018-11-09 10:05:08 C 23 45 29.05 +11 08 44.7 U T05
2018-11-09 10:20:10 C 23 45 28.51 +11 08 39.4 U T05
2018-11-10 04:43:05 C 23 44 52.21 +11 02 12.4 V G96
2018-11-10 04:51:13 C 23 44 51.93 +11 02 09.7 V G96
2018-11-10 04:59:22 C 23 44 51.66 +11 02 06.9 V G96
2018-11-10 05:07:30 C 23 44 51.39 +11 02 03.9 V G96
2018-11-10 08:53:38 C 23 44 43.93 +11 00 46.7 U T08
2018-11-10 09:08:01 C 23 44 43.51 +11 00 41.8 U T08
2018-11-10 09:22:20 C 23 44 43.03 +11 00 36.4 U T08
2018-11-10 09:36:40 C 23 44 42.52 +11 00 31.3 U T08
2018-11-11 03:52:05 C 23 44 07.79 +10 54 12.9 V 703
2018-11-11 04:00:20 C 23 44 07.57 +10 54 10.2 V 703
2018-11-11 04:08:36 C 23 44 07.27 +10 54 07.2 V 703
2018-11-11 04:16:51 C 23 44 07.00 +10 54 04.5 V 703
2018-11-12 08:51:06 C 23 43 14.48 +10 44 23.8 U T05
2018-11-12 09:05:20 C 23 43 14.03 +10 44 19.0 U T05
2018-11-12 09:19:35 C 23 43 13.59 +10 44 14.6 U T05
2018-11-12 09:33:51 C 23 43 13.15 +10 44 09.5 U T05
2018-11-14 07:55:08 C 23 41 53.87 +10 28 53.4 U T08
2018-11-14 08:09:42 C 23 41 53.46 +10 28 49.7 U T08
2018-11-14 08:24:10 C 23 41 53.04 +10 28 43.9 U T08
2018-11-14 08:38:33 C 23 41 52.68 +10 28 39.3 U T08
2018-11-20 07:56:35 C 23 38 31.71 +09 45 10.5 U T05
2018-11-20 08:09:28 C 23 38 31.41 +09 45 06.9 U T05
2018-11-20 08:22:35 C 23 38 31.14 +09 45 03.1 U T05
2018-11-20 08:35:34 C 23 38 30.87 +09 44 59.6 U T05
2018-11-26 07:34:19 C 23 36 16.56 +09 07 47.7 U T08
2018-11-26 07:48:42 C 23 36 16.39 +09 07 44.8 U T08
2018-11-26 08:02:52 C 23 36 16.19 +09 07 41.1 U T08
2018-11-26 08:17:08 C 23 36 16.02 +09 07 37.2 U T08
2018-11-27 07:29:45 C 23 36 00.42 +09 02 12.4 U T08
2018-11-27 07:43:38 C 23 36 00.25 +09 02 08.9 U T08
2018-11-27 07:57:33 C 23 36 00.12 +09 02 06.3 U T08
2018-11-27 08:11:37 C 23 35 59.95 +09 02 03.2 U T08
2018-11-28 07:27:33 C 23 35 45.99 +08 56 47.3 U T05
2018-11-28 07:41:52 C 23 35 45.86 +08 56 44.1 U T05
2018-11-28 07:56:07 C 23 35 45.68 +08 56 41.0 U T05
2018-11-28 08:10:23 C 23 35 45.58 +08 56 37.7 U T05
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)