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
2018-09-06 08:03:40 C 01 03 38.98 +18 39 21.0 V 703
2018-09-06 13:26:04 C 01 03 26.29 +18 39 01.1 U T05
2018-09-06 13:36:12 C 01 03 25.91 +18 39 00.2 U T05
2018-09-06 14:01:51 C 01 03 24.88 +18 38 58.6 U T05
2018-09-06 14:16:54 C 01 03 24.27 +18 38 57.3 U T05
2018-09-08 13:06:10 C 01 01 31.75 +18 35 27.3 U T08
2018-09-08 13:22:32 C 01 01 31.09 +18 35 26.9 U T08
2018-09-08 13:34:04 C 01 01 30.57 +18 35 26.4 U T08
2018-09-08 13:49:41 C 01 01 29.94 +18 35 24.3 U T08
2018-09-09 07:31:40 C 01 00 45.98 +18 33 51.4 V G96
2018-09-09 07:39:07 C 01 00 45.67 +18 33 50.8 V G96
2018-09-09 07:46:34 C 01 00 45.35 +18 33 50.0 V G96
2018-09-09 07:54:01 C 01 00 45.03 +18 33 49.4 V G96
2018-09-09 08:00:33 C 01 00 44.76 +18 33 49.4 V 703
2018-09-09 08:08:07 C 01 00 44.41 +18 33 48.3 V 703
2018-09-09 08:15:41 C 01 00 44.10 +18 33 47.5 V 703
2018-09-09 08:23:15 C 01 00 43.81 +18 33 47.3 V 703
2018-09-10 13:09:41 C 00 59 30.00 +18 31 02.5 U T05
2018-09-10 13:18:40 C 00 59 29.61 +18 31 01.6 U T05
2018-09-10 13:31:58 C 00 59 29.00 +18 31 00.2 U T05
2018-09-10 13:49:15 C 00 59 28.26 +18 30 58.8 U T05
2018-09-12 07:52:59 C 00 57 36.81 +18 26 22.1 703
2018-09-12 08:00:33 C 00 57 36.49 +18 26 20.9 703
2018-09-12 08:08:07 C 00 57 36.10 +18 26 19.9 703
2018-09-12 08:15:41 C 00 57 35.79 +18 26 19.5 703
2018-09-14 12:56:24 C 00 55 09.60 +18 19 37.6 U T05
2018-09-14 13:15:34 C 00 55 08.68 +18 19 35.1 U T05
2018-09-14 13:32:16 C 00 55 07.85 +18 19 32.9 U T05
2018-09-14 13:43:43 C 00 55 07.28 +18 19 31.2 U T05
2018-09-15 08:02:39 C 00 54 15.12 +18 16 54.6 V 703
2018-09-15 08:10:52 C 00 54 14.72 +18 16 53.9 V 703
2018-09-15 08:19:03 C 00 54 14.28 +18 16 52.9 V 703
2018-09-15 08:27:16 C 00 54 13.90 +18 16 51.5 V 703
2018-09-18 06:26:32 C 00 50 46.72 +18 05 45.5 V 703
2018-09-18 06:34:05 C 00 50 46.32 +18 05 43.9 V 703
2018-09-18 06:41:38 C 00 50 45.96 +18 05 43.0 V 703
2018-09-18 06:49:12 C 00 50 45.57 +18 05 41.6 V 703
2018-09-18 12:31:56 C 00 50 27.99 +18 04 43.2 U T05
2018-09-18 12:42:07 C 00 50 27.46 +18 04 41.5 U T05
2018-09-18 13:08:55 C 00 50 26.07 +18 04 36.6 U T05
2018-09-27 23:54:27 C 00 38 08.11 +17 15 05.1 q 160
2018-09-27 23:58:20 C 00 38 07.99 +17 15 04.2 q 160
2018-09-28 00:02:10 C 00 38 07.67 +17 15 03.7 q 160
2018-09-29 09:14:17 C 00 36 13.38 +17 06 11.8 V 703
2018-09-29 09:22:15 C 00 36 12.88 +17 06 10.6 V 703
2018-09-29 09:38:11 C 00 36 11.89 +17 06 06.4 V 703
2018-10-02 11:27:08 C 00 31 54.45 +16 45 01.4 U T08
2018-10-02 11:51:37 C 00 31 52.97 +16 44 54.0 U T08
2018-10-02 11:52:17 C 00 31 52.96 +16 44 53.7 U T08
2018-10-02 12:02:47 C 00 31 52.31 +16 44 50.7 U T08
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)