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
2016-10-24 10:08:04 C 05 12 46.41 +44 57 11.1 q H15
2016-10-29 11:47:17 C 05 22 38.05 +47 36 09.6 L T05
2016-10-29 12:01:03 C 05 22 39.19 +47 36 30.0 L T05
2016-10-29 12:19:25 C 05 22 40.71 +47 36 57.2 L T05
2016-10-29 12:43:26 C 05 22 42.70 +47 37 32.7 L T05
2016-10-30 02:31:26 C 05 23 57.36 +47 57 54.6 q K74
2016-10-30 02:33:39 C 05 23 57.56 +47 57 58.3 q K74
2016-10-30 02:34:47 C 05 23 57.66 +47 57 59.9 q K74
2016-10-31 05:11:23 C 05 26 27.66 +48 39 10.5 q K74
2016-10-31 05:11:59 C 05 26 27.70 +48 39 11.4 q K74
2016-10-31 05:14:21 C 05 26 27.94 +48 39 15.2 q K74
2016-10-31 05:14:58 C 05 26 27.98 +48 39 16.0 q K74
2016-10-31 05:23:43 C 05 26 28.80 +48 39 29.9 q K74
2016-10-31 05:24:38 C 05 26 28.86 +48 39 31.0 q K74
2016-10-31 07:56:54 C 05 26 45.38 +48 43 41.1 R G45
2016-10-31 08:03:57 C 05 26 46.02 +48 43 52.6 R G45
2016-10-31 08:17:21 C 05 26 47.26 +48 44 14.2 R G45
2016-10-31 08:18:55 C 05 26 47.39 +48 44 17.0 R G45
2016-10-31 08:25:08 C 05 26 47.97 +48 44 26.9 R G45
2016-11-01 18:21:52 C 05 30 16.11 +49 40 38.4 q K73
2016-11-01 18:34:31 C 05 30 17.45 +49 41 00.4 q K73
2016-11-01 19:08:03 C 05 30 21.06 +49 42 00.2 q K73
2016-11-01 19:15:55 C 05 30 21.89 +49 42 14.1 q K73
2016-11-01 19:19:17 C 05 30 22.25 +49 42 19.9 q K73
2016-11-02 12:26:27 C 05 32 12.87 +50 12 49.5 L T05
2016-11-02 12:39:35 C 05 32 14.23 +50 13 13.1 L T05
2016-11-02 13:00:59 C 05 32 16.42 +50 13 51.7 L T05
2016-11-02 13:19:19 C 05 32 18.31 +50 14 24.8 L T05
2016-11-03 20:39:59 C 05 35 59.14 +51 12 38.3 q G34
2016-11-03 20:44:14 C 05 35 59.57 +51 12 46.7 q G34
2016-11-03 20:48:28 C 05 36 00.08 +51 12 54.5 q G34
2016-11-05 04:58:59 C 05 40 08.50 +52 17 50.0 q W34
2016-11-05 05:03:46 C 05 40 09.13 +52 18 00.2 q W34
2016-11-05 05:11:26 C 05 40 10.12 +52 18 16.8 q W34
2016-11-05 05:16:04 C 05 40 10.74 +52 18 26.4 q W34
2016-11-05 05:24:23 C 05 40 11.82 +52 18 44.2 q W34
2016-11-05 05:34:03 C 05 40 13.04 +52 19 04.9 q W34
2016-11-05 05:39:34 C 05 40 13.76 +52 19 16.6 q W34
2016-11-05 05:46:16 C 05 40 14.65 +52 19 31.1 q W34
2016-11-05 08:43:48 C 05 40 38.46 +52 25 47.3 q G96
2016-11-05 08:56:23 C 05 40 40.08 +52 26 14.1 q G96
2016-11-05 09:02:42 C 05 40 40.89 +52 26 27.6 q G96
2016-11-05 09:09:00 C 05 40 41.70 +52 26 41.0 q G96
2016-11-06 11:40:37 C 05 44 31.96 +53 24 43.8 L T05
2016-11-06 11:59:21 C 05 44 34.64 +53 25 26.6 L T05
2016-11-06 12:24:40 C 05 44 38.21 +53 26 24.4 L T05
2016-11-06 12:32:51 C 05 44 39.38 +53 26 43.0 L T05
2016-11-07 04:24:49 C 05 47 10.27 +54 03 09.0 q W19
2016-11-07 04:28:46 C 05 47 10.91 +54 03 18.4 q W19
2016-11-07 04:32:48 C 05 47 11.54 +54 03 28.3 q W19
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)