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
2021-08-16 14:49:34 C 03 52 28.465 +29 56 16.36 U F51
2021-08-19 13:46:06 C 03 57 36.18 +30 22 52.5 V T08
2021-08-19 13:54:06 C 03 57 36.73 +30 22 55.7 V T08
2021-08-19 14:01:27 C 03 57 37.28 +30 22 58.5 V T08
2021-08-19 14:19:14 C 03 57 38.56 +30 23 05.2 V T08
2021-08-21 13:53:30 C 04 01 07.65 +30 41 04.8 V T05
2021-08-21 13:59:13 C 04 01 08.08 +30 41 06.6 V T05
2021-08-21 14:13:24 C 04 01 09.10 +30 41 12.1 V T05
2021-08-21 14:22:07 C 04 01 09.73 +30 41 15.6 V T05
2021-08-27 13:16:37 C 04 11 53.07 +31 36 09.0 V T08
2021-08-27 13:20:38 C 04 11 53.35 +31 36 10.8 V T08
2021-08-27 13:28:12 C 04 11 53.97 +31 36 13.4 V T08
2021-08-27 13:52:15 C 04 11 55.75 +31 36 22.9 V T08
2021-09-02 18:39:17 S 04 23 33.49 +32 35 10.9 L C51
2021-09-02 21:47:26 S 04 23 48.55 +32 36 26.4 L C51
2021-09-03 00:55:45 S 04 24 03.665 +32 37 42.92 L C51
2021-09-03 04:03:53 S 04 24 18.70 +32 38 58.6 L C51
2021-09-03 07:12:12 S 04 24 33.96 +32 40 14.6 L C51
2021-09-03 11:53:51 S 04 24 56.371 +32 42 09.97 L C51
2021-09-03 13:28:39 S 04 25 04.13 +32 42 48.7 L C51
2021-09-03 15:02:43 S 04 25 11.73 +32 43 24.6 L C51
2021-09-03 16:36:47 S 04 25 19.330 +32 44 03.26 L C51
2021-09-03 18:10:51 S 04 25 26.90 +32 44 40.7 L C51
2021-09-04 00:27:19 S 04 25 57.26 +32 47 12.3 L C51
2021-09-04 06:43:45 S 04 26 27.93 +32 49 46.1 L C51
2021-09-04 13:00:12 S 04 26 58.34 +32 52 18.1 L C51
2021-09-04 14:16:21 C 04 27 05.00 +32 52 50.7 V T08
2021-09-04 14:50:58 C 04 27 07.76 +32 53 04.8 V T08
2021-09-04 15:02:45 C 04 27 08.69 +32 53 09.9 V T08
2021-09-04 15:16:28 C 04 27 09.78 +32 53 15.6 V T08
2021-09-08 14:22:53 C 04 35 02.24 +33 32 25.2 V T08
2021-09-08 14:30:53 C 04 35 02.90 +33 32 28.6 V T08
2021-09-08 14:50:25 C 04 35 04.52 +33 32 36.8 V T08
2021-09-10 13:01:31 C 04 39 00.71 +33 52 00.4 V T05
2021-09-10 13:08:09 C 04 39 01.26 +33 52 03.4 V T05
2021-09-10 13:18:10 C 04 39 02.12 +33 52 07.5 V T05
2021-09-10 13:34:14 C 04 39 03.46 +33 52 14.4 V T05
2021-09-11 14:19:30 C 04 41 11.87 +34 02 45.7 V T05
2021-09-11 14:24:07 C 04 41 12.24 +34 02 47.5 V T05
2021-09-11 14:32:42 C 04 41 12.98 +34 02 51.4 V T05
2021-09-11 15:00:40 C 04 41 15.35 +34 03 03.4 V T05
2021-09-12 11:07:59 C 04 43 00.97 +34 11 38.7 V 703
2021-09-12 11:15:18 C 04 43 01.61 +34 11 41.7 V 703
2021-09-12 11:22:39 C 04 43 02.24 +34 11 45.1 V 703
2021-09-12 11:30:11 C 04 43 02.88 +34 11 48.5 V 703
2021-09-12 13:19:37 C 04 43 12.65 +34 12 36.2 V T08
2021-09-12 13:35:35 C 04 43 14.02 +34 12 43.3 V T08
2021-09-12 13:55:32 C 04 43 15.75 +34 12 52.2 V T08
2021-09-16 07:56:24 C 04 51 21.92 +34 52 04.6 q U55
2021-09-16 08:10:21 C 04 51 23.06 +34 52 10.6 q U55
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)