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
2025-08-26 10:35:09 C 00 01 00.940 +09 52 55.69 X F52
2025-08-27 02:55:33 C 00 00 19.613 +09 50 17.77 V R17
2025-08-27 03:07:13 C 00 00 19.106 +09 50 15.83 V R17
2025-08-27 03:18:53 C 00 00 18.600 +09 50 13.92 V R17
2025-08-27 03:30:32 C 00 00 18.101 +09 50 11.94 V R17
2025-08-28 16:41:20 C 23 58 42.63 +09 43 55.5 V D29
2025-08-28 16:42:36 C 23 58 42.57 +09 43 55.2 V D29
2025-08-28 17:22:04 C 23 58 40.82 +09 43 48.4 V D29
2025-08-29 22:39:34 C 23 57 24.026 +09 38 34.73 V R17
2025-08-29 22:43:52 C 23 57 23.695 +09 38 37.86 V M22
2025-08-29 22:46:29 C 23 57 23.633 +09 38 38.04 V M22
2025-08-29 22:50:23 C 23 57 23.429 +09 38 36.42 V M22
2025-08-29 23:00:09 C 23 57 23.136 +09 38 31.31 V R17
2025-08-29 23:06:01 C 23 57 22.730 +09 38 34.51 V M22
2025-08-29 23:21:23 C 23 57 22.164 +09 38 27.38 V R17
2025-08-29 23:42:42 C 23 57 21.211 +09 38 23.39 V R17
2025-09-02 08:46:56 C 23 53 41.264 +09 22 38.02 X F52
2025-09-02 09:02:30 C 23 53 40.530 +09 22 34.86 X F52
2025-09-02 09:33:45 C 23 53 39.061 +09 22 28.47 X F52
2025-09-02 09:44:56 C 23 53 38.575 +09 22 26.40 V T08
2025-09-02 09:46:55 C 23 53 38.424 +09 22 25.54 V T08
2025-09-02 09:48:57 C 23 53 38.302 +09 22 25.00 V T08
2025-09-02 09:51:05 C 23 53 38.232 +09 22 25.21 V T08
2025-09-02 09:56:44 C 23 53 38.006 +09 22 24.78 V T08
2025-09-02 10:05:36 C 23 53 37.584 +09 22 22.37 V T08
2025-09-02 10:14:14 C 23 53 37.150 +09 22 20.82 V T08
2025-09-02 10:17:32 C 23 53 37.008 +09 22 19.92 V T08
2025-09-14 11:55:19 C 23 39 32.834 +08 12 13.57 V T08
2025-09-14 12:11:38 C 23 39 31.980 +08 12 09.00 V T08
2025-09-14 12:18:27 C 23 39 31.634 +08 12 07.34 V T08
2025-09-14 12:59:32 C 23 39 29.498 +08 11 55.68 V T08
2025-09-15 05:54:28 C 23 38 38.786 +08 07 18.66 V W68
2025-09-15 05:59:02 C 23 38 38.527 +08 07 17.54 V W68
2025-09-15 06:08:11 C 23 38 38.126 +08 07 15.56 V W68
2025-09-15 06:22:49 C 23 38 37.322 +08 07 11.03 V W68
2025-09-15 20:43:41 B 23 37 54.13 +08 03 06.4 X N94
2025-09-15 20:52:26 B 23 37 53.68 +08 03 03.8 X N94
2025-09-15 21:01:09 B 23 37 53.23 +08 03 01.2 X N94
2025-09-16 13:12:00 C 23 37 04.810 +07 58 32.23 V P07
2025-09-16 16:05:09 C 23 36 55.942 +07 57 43.13 V P07
2025-09-16 17:21:09 C 23 36 52.044 +07 57 22.03 V P07
2025-09-16 19:16:46 C 23 36 46.133 +07 56 48.66 V P07
2025-09-17 07:25:11 C 23 36 09.919 +07 53 18.37 X F52
2025-09-17 07:40:45 C 23 36 09.126 +07 53 13.90 X F52
2025-09-17 07:56:18 C 23 36 08.332 +07 53 09.50 X F52
2025-09-17 08:11:52 C 23 36 07.538 +07 53 05.08 X F52
2025-09-18 23:09:39 C 23 34 10.085 +07 41 52.33 V M22
2025-09-18 23:14:12 C 23 34 09.840 +07 41 51.07 V M22
2025-09-18 23:21:21 C 23 34 09.494 +07 41 48.77 V M22
2025-09-18 23:50:56 C 23 34 08.006 +07 41 40.52 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)