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
2025-11-27 14:10:45 C 22 50 54.123 +01 19 27.33 W O18
2025-11-28 12:02:43 C 22 51 02.740 +01 18 16.86 W O18
2025-11-28 12:51:09 C 22 51 03.030 +01 18 14.34 W O18
2025-11-28 13:31:28 C 22 51 03.294 +01 18 12.28 W O18
2025-11-30 13:18:19 C 22 51 25.501 +01 16 03.27 W O18
2025-11-30 13:23:33 C 22 51 25.541 +01 16 03.13 W O18
2025-11-30 13:32:51 C 22 51 25.613 +01 16 02.59 W O18
2025-11-30 13:38:03 C 22 51 25.657 +01 16 02.40 W O18
2025-12-01 13:28:52 C 22 51 38.483 +01 15 10.23 W O18
2025-12-01 13:34:11 C 22 51 38.528 +01 15 10.29 W O18
2025-12-01 13:49:07 C 22 51 38.661 +01 15 09.52 W O18
2025-12-02 14:12:27 C 22 51 52.936 +01 14 24.71 W O18
2025-12-02 14:13:28 C 22 51 52.942 +01 14 24.69 W O18
2025-12-02 14:45:35 C 22 51 53.254 +01 14 23.73 W O18
2025-12-02 14:46:37 C 22 51 53.256 +01 14 23.70 W O18
2025-12-03 12:14:07 C 22 52 06.911 +01 13 51.31 W O18
2025-12-03 13:01:22 C 22 52 07.391 +01 13 50.16 W O18
2025-12-03 13:02:37 C 22 52 07.399 +01 13 50.09 W O18
2025-12-04 11:57:37 C 22 52 22.932 +01 13 22.72 W O18
2025-12-04 12:46:22 C 22 52 23.459 +01 13 21.69 W O18
2025-12-05 13:24:36 C 22 52 41.243 +01 13 00.54 W O18
2025-12-05 13:25:52 C 22 52 41.255 +01 13 00.59 W O18
2025-12-07 12:15:07 C 22 53 18.216 +01 12 42.88 W O18
2025-12-07 13:46:42 C 22 53 19.441 +01 12 42.69 W O18
2025-12-23 11:56:32 C 23 00 41.371 +01 28 01.50 W O18
2025-12-23 12:24:07 C 23 00 42.039 +01 28 03.63 W O18
2025-12-23 13:34:37 C 23 00 43.695 +01 28 09.33 W O18
2025-12-24 11:56:09 C 23 01 16.641 +01 29 58.51 W O18
2025-12-24 12:23:40 C 23 01 17.334 +01 30 00.90 W O18
2025-12-24 13:34:12 C 23 01 19.038 +01 30 06.80 W O18
2025-12-25 11:57:49 C 23 01 52.785 +01 32 02.48 W O18
2025-12-25 13:36:37 C 23 01 55.229 +01 32 11.06 W O18
2025-12-27 12:21:26 C 23 03 07.940 +01 36 31.41 W O18
2025-12-27 13:11:10 C 23 03 09.241 +01 36 36.16 W O18
2025-12-31 12:04:42 C 23 05 45.641 +01 46 38.74 W O18
2025-12-31 12:23:21 C 23 05 46.158 +01 46 40.86 W O18
2026-01-01 12:08:00 C 23 06 27.068 +01 49 26.56 W O18
2026-01-01 12:26:09 C 23 06 27.570 +01 49 28.64 W O18
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)