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
2018-11-29 07:32:48 C 23 35 33.29 +08 51 32.1 U T05
2018-11-29 07:46:18 C 23 35 33.16 +08 51 29.2 U T05
2018-11-29 08:00:04 C 23 35 33.04 +08 51 26.0 U T05
2018-11-29 08:14:20 C 23 35 32.91 +08 51 23.5 U T05
2018-11-30 07:15:27 C 23 35 22.57 +08 46 32.9 U T08
2018-11-30 07:28:21 C 23 35 22.45 +08 46 29.9 U T08
2018-11-30 07:41:16 C 23 35 22.38 +08 46 28.0 U T08
2018-11-30 07:54:08 C 23 35 22.28 +08 46 24.1 U T08
2018-12-02 07:14:23 C 23 35 05.98 +08 37 05.5 U T05
2018-12-02 07:27:07 C 23 35 06.03 +08 36 59.2 U T05
2018-12-02 07:40:00 C 23 35 05.94 +08 36 56.6 U T05
2018-12-02 07:52:51 C 23 35 05.90 +08 36 54.1 U T05
2018-12-03 07:27:42 C 23 35 00.38 +08 32 30.8 U T05
2018-12-03 07:40:36 C 23 35 00.32 +08 32 28.2 U T05
2018-12-03 07:52:59 C 23 35 00.28 +08 32 25.9 U T05
2018-12-03 08:06:08 C 23 35 00.24 +08 32 23.6 U T05
2018-12-04 06:49:22 C 23 34 56.60 +08 28 21.3 U T08
2018-12-04 07:00:47 C 23 34 56.58 +08 28 18.4 U T08
2018-12-04 07:12:11 C 23 34 56.51 +08 28 16.6 U T08
2018-12-04 07:23:36 C 23 34 56.46 +08 28 14.5 U T08
2018-12-08 06:35:01 C 23 34 57.78 +08 13 09.7 U T08
2018-12-08 06:46:28 C 23 34 57.83 +08 13 07.9 U T08
2018-12-08 06:57:55 C 23 34 57.85 +08 13 07.1 U T08
2018-12-08 07:09:22 C 23 34 57.88 +08 13 05.6 U T08
2018-12-10 06:50:34 C 23 35 08.35 +08 06 40.8 U T05
2018-12-10 07:02:42 C 23 35 08.40 +08 06 39.8 U T05
2018-12-10 07:14:05 C 23 35 08.48 +08 06 37.8 U T05
2018-12-22 05:56:04 C 23 38 19.99 +07 43 53.4 V T05
2018-12-22 06:08:48 C 23 38 20.22 +07 43 51.3 V T05
2018-12-22 06:21:35 C 23 38 20.48 +07 43 52.3 V T05
2018-12-22 06:32:51 C 23 38 20.64 +07 43 52.1 V T05
2019-01-03 06:00:33 C 23 44 50.04 +07 46 26.5 V T05
2019-01-03 06:12:42 C 23 44 50.34 +07 46 27.3 V T05
2019-01-03 06:24:04 C 23 44 50.68 +07 46 27.9 V T05
2019-01-03 06:36:08 C 23 44 51.01 +07 46 28.1 V T05
2019-01-05 02:23:59 C 23 46 06.03 +07 48 55.9 I41
2019-01-05 03:27:12 C 23 46 07.83 +07 48 59.8 I41
2019-01-07 02:29:53 C 23 47 32.75 +07 52 14.8 I41
2019-01-07 03:26:59 C 23 47 34.46 +07 52 19.0 I41
2019-01-07 05:47:06 C 23 47 38.80 +07 52 31.3 V T05
2019-01-07 05:59:28 C 23 47 39.19 +07 52 32.0 V T05
2019-01-07 06:11:11 C 23 47 39.52 +07 52 32.6 V T05
2019-01-07 06:23:29 C 23 47 39.88 +07 52 33.5 V T05
2019-01-08 02:15:00 C 23 48 17.21 +07 54 07.2 V 703
2019-01-08 02:23:13 C 23 48 17.48 +07 54 07.3 V 703
2019-01-08 02:31:24 C 23 48 17.74 +07 54 08.2 V 703
2019-01-08 02:39:38 C 23 48 17.97 +07 54 08.9 V 703
2019-01-11 05:09:20 C 23 50 44.58 +08 00 58.2 V T05
2019-01-11 05:17:32 C 23 50 44.85 +08 00 59.9 V T05
2019-01-11 05:20:55 C 23 50 44.97 +08 00 59.8 V 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)