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
2023-12-16 06:16:11 C 23 39 40.992 +08 28 21.11 V T08
2023-12-16 06:48:54 C 23 39 41.263 +08 28 18.19 V T08
2023-12-17 06:43:51 C 23 39 56.282 +08 26 03.05 V T08
2023-12-17 06:49:10 C 23 39 56.321 +08 26 02.80 V T08
2023-12-17 07:21:26 C 23 39 56.683 +08 25 59.52 V T08
2023-12-17 07:30:17 C 23 39 56.755 +08 25 58.91 V T08
2023-12-26 05:17:27 C 23 43 17.594 +08 14 24.50 V T05
2023-12-26 05:22:45 C 23 43 17.726 +08 14 24.90 V T05
2023-12-26 05:30:14 C 23 43 17.885 +08 14 25.69 V T05
2023-12-26 05:50:10 C 23 43 18.230 +08 14 24.54 V T05
2023-12-30 06:03:32 C 23 45 25.195 +08 13 56.39 V T05
2023-12-30 06:08:20 C 23 45 25.286 +08 13 56.64 V T05
2023-12-30 06:16:27 C 23 45 25.476 +08 13 56.82 V T05
2023-12-30 06:47:08 C 23 45 26.179 +08 13 57.04 V T05
2024-01-02 06:57:23 C 23 47 15.408 +08 15 27.72 V T08
2024-01-02 07:01:23 C 23 47 15.502 +08 15 27.90 V T08
2024-01-02 07:11:36 C 23 47 15.761 +08 15 28.08 V T08
2024-01-02 07:33:06 C 23 47 16.344 +08 15 28.66 V T08
2024-01-03 05:20:18 C 23 47 51.694 +08 16 13.62 V T05
2024-01-03 05:24:52 C 23 47 51.823 +08 16 14.09 V T05
2024-01-03 05:34:09 C 23 47 52.051 +08 16 14.48 V T05
2024-01-03 05:48:42 C 23 47 52.457 +08 16 14.84 V T05
2024-01-05 05:15:13 C 23 49 12.893 +08 18 23.26 V T08
2024-01-05 05:19:52 C 23 49 13.022 +08 18 23.62 V T08
2024-01-05 05:27:27 C 23 49 13.224 +08 18 24.37 V T08
2024-01-05 05:42:24 C 23 49 13.610 +08 18 24.84 V T08
2024-01-07 05:04:33 C 23 50 38.777 +08 21 11.63 V T05
2024-01-07 05:09:45 C 23 50 38.938 +08 21 11.99 V T05
2024-01-07 05:18:13 C 23 50 39.211 +08 21 12.82 V T05
2024-01-07 05:33:25 C 23 50 39.677 +08 21 13.75 V T05
2024-01-19 01:57:27 C 00 00 45.068 +08 50 44.12 V V00
2024-01-19 02:05:23 C 00 00 45.382 +08 50 45.17 V V00
2024-01-19 02:13:18 C 00 00 45.691 +08 50 46.28 V V00
2024-01-19 02:21:13 C 00 00 46.004 +08 50 47.36 V V00
2024-01-23 05:45:28 C 00 04 53.042 +09 05 56.15 V T05
2024-01-23 05:50:02 C 00 04 53.242 +09 05 57.08 V T05
2024-01-23 06:15:49 C 00 04 54.360 +09 06 01.26 V T05
2024-01-23 06:33:18 C 00 04 55.085 +09 06 04.32 V T05
2024-01-24 06:00:59 C 00 05 55.985 +09 09 59.47 V T05
2024-01-24 06:05:32 C 00 05 56.162 +09 10 00.16 V T05
2024-01-24 06:19:43 C 00 05 56.758 +09 10 02.86 V T05
2024-01-24 06:43:03 C 00 05 57.780 +09 10 06.24 V T05
2024-01-27 05:25:30 C 00 09 07.070 +09 22 39.32 V T05
2024-01-27 05:30:05 C 00 09 07.212 +09 22 40.33 V T05
2024-01-27 05:38:06 C 00 09 07.541 +09 22 42.64 V T05
2024-01-27 06:06:20 C 00 09 08.832 +09 22 47.50 V T05
2024-01-31 05:27:51 C 00 13 37.334 +09 41 29.62 V T05
2024-01-31 05:32:25 C 00 13 37.505 +09 41 29.47 V T05
2024-01-31 05:41:47 C 00 13 37.982 +09 41 31.52 V T05
2024-01-31 06:13:44 C 00 13 39.518 +09 41 38.36 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)