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
2016-11-07 04:37:04 C 05 47 12.21 +54 03 38.5 q W19
2016-11-07 04:45:21 C 05 47 13.53 +54 03 58.4 q W19
2016-11-08 01:33:36 C 05 50 44.01 +54 54 31.9 c A24
2016-11-08 01:34:01 C 05 50 44.06 +54 54 32.8 c A24
2016-11-08 02:42:11 C 05 50 55.61 +54 57 23.1 c A24
2016-11-08 02:42:34 C 05 50 55.67 +54 57 24.0 c A24
2016-11-08 20:49:22 C 05 54 20.24 +55 43 36.7 S 213
2016-11-08 21:11:45 C 05 54 24.53 +55 44 37.2 S 213
2016-11-08 21:46:29 C 05 54 31.21 +55 46 11.0 S 213
2016-11-09 01:20:02 C 05 55 11.44 +55 55 44.2 c A24
2016-11-09 01:20:24 C 05 55 11.51 +55 55 45.0 c A24
2016-11-09 02:20:45 C 05 55 22.96 +55 58 26.1 c A24
2016-11-09 02:21:08 C 05 55 23.01 +55 58 27.0 c A24
2016-11-09 19:06:44 C 05 58 54.20 +56 43 52.2 q K73
2016-11-09 20:11:57 C 05 59 08.37 +56 46 59.0 q K73
2016-11-10 04:28:29 C 06 00 58.44 +57 10 29.7 q W19
2016-11-10 04:34:44 C 06 00 59.82 +57 10 47.7 q W19
2016-11-10 04:41:00 C 06 01 01.20 +57 11 06.1 q W19
2016-11-10 04:47:15 C 06 01 02.58 +57 11 24.4 q W19
2016-11-10 04:54:16 C 06 01 04.16 +57 11 44.7 q W19
2016-11-10 05:00:38 C 06 01 05.56 +57 12 03.4 q W19
2016-11-10 05:06:58 C 06 01 06.97 +57 12 22.0 q W19
2016-11-10 11:37:32 C 06 02 36.97 +57 31 25.3 L T05
2016-11-10 11:39:46 C 06 02 37.47 +57 31 31.8 L T05
2016-11-10 11:57:09 C 06 02 41.35 +57 32 23.2 L T05
2016-11-10 12:14:45 C 06 02 45.29 +57 33 15.0 L T05
2016-11-10 12:38:07 C 06 02 50.52 +57 34 23.8 L T05
2016-11-11 14:33:55 C 06 09 30.49 +58 52 52.7 o 300
2016-11-11 14:35:00 C 06 09 30.72 +58 52 56.1 o 300
2016-11-11 14:35:49 C 06 09 30.92 +58 52 58.7 o 300
2016-11-11 14:36:37 C 06 09 31.16 +58 53 01.5 o 300
2016-11-11 14:37:26 C 06 09 31.47 +58 53 04.8 o 300
2016-11-11 14:38:14 C 06 09 31.63 +58 53 06.5 o 300
2016-11-11 14:39:02 C 06 09 31.84 +58 53 09.8 o 300
2016-11-11 14:39:51 C 06 09 32.08 +58 53 12.3 o 300
2016-11-11 14:40:39 C 06 09 32.26 +58 53 14.4 o 300
2016-11-11 14:41:28 C 06 09 32.47 +58 53 17.4 o 300
2016-11-12 02:02:28 C 06 12 44.02 +59 29 33.8 q L23
2016-11-12 02:03:16 C 06 12 44.23 +59 29 36.8 q L23
2016-11-12 02:05:02 C 06 12 44.80 +59 29 41.2 q L23
2016-11-12 02:05:34 C 06 12 45.01 +59 29 42.9 q L23
2016-11-12 02:06:07 C 06 12 45.02 +59 29 45.3 q L23
2016-11-12 02:06:39 C 06 12 45.10 +59 29 46.1 q L23
2016-11-12 02:07:11 C 06 12 45.36 +59 29 48.1 q L23
2016-11-12 02:07:45 C 06 12 45.63 +59 29 49.9 q L23
2016-11-12 02:08:17 C 06 12 45.67 +59 29 52.3 q L23
2016-11-12 02:09:54 C 06 12 46.12 +59 29 57.9 q L23
2016-11-12 02:10:26 C 06 12 46.30 +59 29 59.3 q L23
2016-11-13 20:57:20 C 06 27 29.48 +61 56 58.0 q Z80
2016-11-13 21:00:04 C 06 27 30.55 +61 57 08.3 q Z80
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)