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
2025-07-26 13:10:58 C 00 21 53.071 +10 29 53.88 V T05
2025-07-26 13:18:39 C 00 21 52.956 +10 29 53.59 V T05
2025-07-26 13:23:47 C 00 21 52.908 +10 29 53.77 V T05
2025-07-31 01:02:01 C 00 20 12.204 +10 33 52.81 V R17
2025-07-31 01:24:43 C 00 20 11.777 +10 33 53.89 V R17
2025-07-31 01:46:24 C 00 20 11.381 +10 33 54.83 V R17
2025-07-31 02:08:12 C 00 20 11.004 +10 33 55.15 V R17
2025-08-01 12:24:05 C 00 19 32.914 +10 34 34.39 V T05
2025-08-01 12:27:23 C 00 19 32.844 +10 34 34.68 V T05
2025-08-01 12:31:20 C 00 19 32.724 +10 34 34.36 V T05
2025-08-01 12:39:01 C 00 19 32.616 +10 34 35.18 V T05
2025-08-02 01:17:31 C 00 19 17.782 +10 34 47.35 V M22
2025-08-02 01:21:27 C 00 19 17.726 +10 34 47.46 V M22
2025-08-02 01:26:01 C 00 19 17.633 +10 34 48.22 V M22
2025-08-02 02:01:23 C 00 19 16.891 +10 34 48.18 V M22
2025-08-03 00:41:30 C 00 18 49.548 +10 34 55.09 V R17
2025-08-03 01:02:59 C 00 18 49.092 +10 34 55.13 V R17
2025-08-03 01:25:50 C 00 18 48.619 +10 34 55.92 V R17
2025-08-03 01:47:24 C 00 18 48.127 +10 34 55.67 V R17
2025-08-03 12:04:53 C 00 18 35.170 +10 34 58.91 V T08
2025-08-03 12:42:00 C 00 18 34.378 +10 34 58.22 V T08
2025-08-03 12:46:04 C 00 18 34.284 +10 34 58.51 V T08
2025-08-03 12:51:24 C 00 18 34.150 +10 34 58.44 V T08
2025-08-06 18:18:01 C 00 16 48.547 +10 34 21.65 V P07
2025-08-06 19:40:34 C 00 16 46.428 +10 34 19.85 V P07
2025-08-06 20:47:49 C 00 16 44.695 +10 34 18.30 V P07
2025-08-06 20:50:01 C 00 16 44.681 +10 34 18.48 V P07
2025-08-06 21:53:35 C 00 16 42.994 +10 34 17.11 V P07
2025-08-07 11:36:13 C 00 16 22.987 +10 33 56.59 V T08
2025-08-07 12:02:04 C 00 16 22.258 +10 33 56.09 V T08
2025-08-07 12:04:42 C 00 16 22.176 +10 33 56.16 V T08
2025-08-07 12:12:42 C 00 16 21.996 +10 33 55.91 V T08
2025-08-19 10:49:52 C 00 07 34.186 +10 15 14.65 V T08
2025-08-19 10:57:52 C 00 07 33.883 +10 15 13.75 V T08
2025-08-19 11:05:52 C 00 07 33.586 +10 15 13.10 V T08
2025-08-19 11:13:50 C 00 07 33.286 +10 15 12.20 V T08
2025-08-19 11:16:49 C 00 07 33.189 +10 15 11.79 X F52
2025-08-19 11:32:30 C 00 07 32.606 +10 15 10.12 X F52
2025-08-19 11:48:19 C 00 07 32.019 +10 15 08.41 X F52
2025-08-19 12:04:13 C 00 07 31.427 +10 15 06.69 X F52
2025-08-21 10:41:40 C 00 05 47.844 +10 09 44.89 V T05
2025-08-21 10:49:44 C 00 05 47.510 +10 09 43.38 V T05
2025-08-21 10:57:51 C 00 05 47.239 +10 09 42.77 V T05
2025-08-21 11:06:05 C 00 05 46.884 +10 09 41.72 V T05
2025-08-22 17:42:41 C 00 04 36.28 +10 05 47.8 V D29
2025-08-22 18:03:03 C 00 04 35.47 +10 05 45.0 V D29
2025-08-22 18:23:25 C 00 04 34.65 +10 05 42.3 V D29
2025-08-26 09:48:14 C 00 01 02.942 +09 53 03.08 X F52
2025-08-26 10:03:51 C 00 01 02.276 +09 53 00.63 X F52
2025-08-26 10:19:27 C 00 01 01.611 +09 52 58.13 X F52
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)