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
2025-10-19 03:48:23 C 23 02 45.546 +04 01 51.78 V G96
2025-10-19 03:56:32 C 23 02 45.272 +04 01 49.40 V G96
2025-10-19 04:04:41 C 23 02 45.006 +04 01 47.24 V G96
2025-10-19 12:47:18 C 23 02 28.374 +03 59 22.69 W O18
2025-10-19 12:55:48 C 23 02 28.034 +03 59 24.14 V P07
2025-10-19 13:03:08 C 23 02 27.794 +03 59 21.98 V P07
2025-10-19 13:51:32 C 23 02 26.279 +03 59 05.07 W O18
2025-10-19 13:55:27 C 23 02 26.064 +03 59 07.84 V P07
2025-10-19 14:14:54 C 23 02 25.474 +03 59 01.97 V P07
2025-10-19 14:58:09 C 23 02 24.109 +03 58 46.77 W O18
2025-10-19 15:00:57 C 23 02 23.918 +03 58 50.16 V P07
2025-10-19 15:08:43 C 23 02 23.683 +03 58 47.17 V P07
2025-10-20 08:02:25 C 23 01 51.970 +03 54 08.17 V T08
2025-10-20 08:06:23 C 23 01 51.806 +03 54 07.13 V T08
2025-10-20 08:14:57 C 23 01 51.516 +03 54 04.36 V T08
2025-10-20 08:35:41 C 23 01 50.861 +03 53 59.75 V T08
2025-10-20 12:52:15 C 23 01 43.106 +03 52 48.25 W O18
2025-10-20 13:54:04 C 23 01 41.161 +03 52 31.54 W O18
2025-10-20 17:08:13 C 23 01 35.035 +03 51 39.10 W O18
2025-10-20 17:09:59 C 23 01 34.982 +03 51 38.56 W O18
2025-10-21 02:28:12 C 23 01 17.998 +03 49 12.65 V W68
2025-10-21 02:48:24 C 23 01 17.398 +03 49 06.56 V W68
2025-10-21 03:15:46 C 23 01 16.570 +03 48 59.15 V W68
2025-10-21 03:34:27 C 23 01 15.989 +03 48 54.40 V W68
2025-10-21 12:43:54 C 23 00 59.673 +03 46 23.67 W O18
2025-10-21 12:45:41 C 23 00 59.613 +03 46 23.21 W O18
2025-10-21 13:48:13 C 23 00 57.696 +03 46 06.39 W O18
2025-10-21 13:50:00 C 23 00 57.646 +03 46 05.98 W O18
2025-10-21 14:54:44 C 23 00 55.662 +03 45 48.80 W O18
2025-10-21 14:56:31 C 23 00 55.619 +03 45 48.44 W O18
2025-10-22 12:40:46 C 23 00 17.471 +03 40 03.88 W O18
2025-10-22 12:42:13 C 23 00 17.427 +03 40 03.45 W O18
2025-10-22 13:35:12 C 23 00 15.869 +03 39 49.53 W O18
2025-10-22 22:25:00 C 23 00 00.612 +03 37 31.91 V R17
2025-10-22 22:44:34 C 23 00 00.034 +03 37 26.72 V R17
2025-10-22 23:09:56 C 22 59 59.294 +03 37 20.39 V R17
2025-10-22 23:29:31 C 22 59 58.714 +03 37 15.10 V R17
2025-10-23 13:45:39 C 22 59 34.759 +03 33 33.10 W O18
2025-10-23 14:51:50 C 22 59 32.860 +03 33 16.25 W O18
2025-10-23 22:23:33 C 22 59 20.381 +03 31 21.04 V R17
2025-10-23 22:43:09 C 22 59 19.831 +03 31 16.10 V R17
2025-10-23 23:04:13 C 22 59 19.234 +03 31 10.85 V R17
2025-10-23 23:28:06 C 22 59 18.550 +03 31 04.51 V R17
2025-10-24 12:40:55 C 22 58 57.212 +03 27 42.73 W O18
2025-10-24 13:42:37 C 22 58 55.500 +03 27 27.18 W O18
2025-10-24 14:44:24 C 22 58 53.796 +03 27 11.63 W O18
2025-10-24 20:13:02 C 22 58 44.986 +03 25 53.18 V M22
2025-10-24 20:16:57 C 22 58 44.846 +03 25 51.20 V M22
2025-10-24 20:27:28 C 22 58 44.599 +03 25 48.47 V M22
2025-10-24 20:42:30 C 22 58 44.230 +03 25 45.73 V M22
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)