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
2001-11-01 22:01:01 C 01 46 22.23 +32 56 31.9 c 203
2001-11-01 22:29:42 C 01 46 18.45 +32 56 22.5 c 203
2001-11-02 19:44:30 C 01 43 31.603 +32 48 52.85 195
2001-11-02 19:56:59 C 01 43 30.002 +32 48 48.23 195
2001-11-02 20:13:37 C 01 43 27.709 +32 48 42.30 195
2001-11-02 21:56:23 C 01 43 13.98 +32 48 06.4 c 203
2001-11-02 23:09:44 C 01 43 04.01 +32 47 39.5 c 203
2001-11-03 18:48:35 C 01 40 27.94 +32 40 03.2 151
2001-11-03 18:51:45 C 01 40 27.49 +32 40 02.2 151
2001-11-03 18:55:07 C 01 40 27.09 +32 40 00.9 151
2001-11-03 19:02:19 C 01 40 26.11 +32 39 57.6 151
2001-11-03 19:07:37 C 01 40 25.34 +32 39 55.9 151
2001-11-03 19:11:30 C 01 40 24.87 +32 39 54.2 151
2001-11-04 11:46:47 C 01 38 11.24 +32 33 08.2 c 349
2001-11-04 11:48:52 C 01 38 10.93 +32 33 07.5 c 349
2001-11-04 11:51:33 C 01 38 10.55 +32 33 06.3 c 349
2001-11-04 11:53:44 C 01 38 10.24 +32 33 05.6 c 349
2001-11-04 19:05:25 C 01 37 12.134 +32 29 58.00 195
2001-11-04 19:17:53 C 01 37 10.413 +32 29 52.60 195
2001-11-04 19:34:31 C 01 37 08.201 +32 29 45.69 195
2001-11-04 20:42:38 C 01 36 58.81 +32 29 16.6 151
2001-11-04 20:45:41 C 01 36 58.38 +32 29 15.3 151
2001-11-04 20:48:08 C 01 36 58.03 +32 29 14.2 151
2001-11-04 20:51:23 C 01 36 57.59 +32 29 12.8 151
2001-11-04 20:54:30 C 01 36 57.15 +32 29 11.5 151
2001-11-04 20:57:14 C 01 36 56.78 +32 29 10.3 151
2001-11-04 21:17:36 C 01 36 54.06 +32 29 02.7 c 203
2001-11-04 21:59:19 C 01 36 48.28 +32 28 44.6 c 203
2001-11-05 00:33:06 C 01 36 27.98 +32 27 36.0 450
2001-11-05 00:45:08 C 01 36 26.32 +32 27 30.9 450
2001-11-05 11:21:19 C 01 34 58.65 +32 22 43.7 o 644
2001-11-05 11:52:31 C 01 34 54.39 +32 22 28.8 o 644
2001-11-05 18:53:21 C 01 33 58.18 +32 19 13.7 c 127
2001-11-05 18:58:48 C 01 33 57.43 +32 19 11.5 c 127
2001-11-05 19:03:59 C 01 33 56.71 +32 19 08.9 c 127
2001-11-09 19:57:27 C 01 20 31.23 +31 26 58.1 d 631
2001-11-09 21:43:37 C 01 20 16.12 +31 25 53.6 d 631
2001-11-11 05:09:08 C 01 15 51.97 +31 06 02.0 15.2 c 704
2001-11-11 05:29:58 C 01 15 48.97 +31 05 48.6 15.3 c 704
2001-11-11 05:50:51 C 01 15 45.98 +31 05 34.8 15.2 c 704
2001-11-11 06:11:43 C 01 15 42.97 +31 05 20.9 15.6 c 704
2001-11-11 06:32:40 C 01 15 39.99 +31 05 07.1 15.7 c 704
2001-11-12 05:00:46 C 01 12 31.27 +30 49 58.7 c 699
2001-11-12 05:50:27 C 01 12 24.15 +30 49 24.4 c 699
2001-11-12 06:40:07 C 01 12 16.98 +30 48 49.6 c 699
2001-11-12 07:29:55 C 01 12 09.83 +30 48 14.6 c 699
2001-11-13 20:07:04 C 01 07 02.70 +30 21 53.4 d 631
2001-11-13 21:13:05 C 01 06 53.35 +30 21 04.6 d 631
2001-11-14 18:44:01 C 01 03 53.79 +30 04 46.1 c 127
2001-11-14 18:50:38 C 01 03 52.84 +30 04 40.8 c 127
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)