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
2015-09-07 08:19:38 C 23 38 52.13 +07 38 09.6 q 703
2015-09-07 17:24:51 C 23 38 25.24 +07 35 52.6 q D29
2015-09-07 17:48:59 C 23 38 24.03 +07 35 46.3 q D29
2015-09-07 18:13:07 C 23 38 22.80 +07 35 40.5 q D29
2015-09-08 16:10:43 C 23 37 17.67 +07 30 06.1 q D29
2015-09-08 16:31:03 C 23 37 16.63 +07 30 00.8 q D29
2015-09-08 16:51:22 C 23 37 15.60 +07 29 55.5 q D29
2015-09-09 00:17:07 C 23 36 53.47 +07 28 01.8 c A24
2015-09-09 00:19:10 C 23 36 53.45 +07 28 00.5 c A24
2015-09-09 00:20:13 C 23 36 53.30 +07 27 59.7 c A24
2015-09-09 15:51:14 C 23 36 06.98 +07 23 59.0 q D29
2015-09-09 16:12:50 C 23 36 05.89 +07 23 53.6 q D29
2015-09-09 16:34:25 C 23 36 04.79 +07 23 47.8 q D29
2015-09-10 15:43:17 C 23 34 55.45 +07 17 41.5 q D29
2015-09-10 16:07:24 C 23 34 54.23 +07 17 35.1 q D29
2015-09-10 16:31:32 C 23 34 52.97 +07 17 28.9 q D29
2015-09-11 07:42:47 C 23 34 07.31 +07 13 25.4 R G45
2015-09-11 07:50:41 C 23 34 06.92 +07 13 23.3 R G45
2015-09-11 07:58:41 C 23 34 06.49 +07 13 21.2 R G45
2015-09-11 08:06:30 C 23 34 06.09 +07 13 19.1 R G45
2015-09-11 08:14:45 C 23 34 05.67 +07 13 16.8 R G45
2015-09-12 07:44:03 C 23 32 54.93 +07 06 54.6 R G45
2015-09-12 07:52:01 C 23 32 54.52 +07 06 52.2 R G45
2015-09-12 07:59:46 C 23 32 54.14 +07 06 50.4 R G45
2015-09-12 08:08:15 C 23 32 53.72 +07 06 48.2 R G45
2015-09-12 08:15:50 C 23 32 53.33 +07 06 46.0 R G45
2015-09-12 15:34:57 C 23 32 31.31 +07 04 45.3 q D29
2015-09-12 15:57:02 C 23 32 30.21 +07 04 39.0 q D29
2015-09-14 06:34:15 C 23 30 33.56 +06 53 54.7 R G45
2015-09-14 06:42:06 C 23 30 33.16 +06 53 52.9 R G45
2015-09-14 06:49:58 C 23 30 32.76 +06 53 50.6 R G45
2015-09-14 06:57:17 C 23 30 32.40 +06 53 48.4 R G45
2015-09-14 07:04:37 C 23 30 32.00 +06 53 46.0 R G45
2015-09-15 06:35:49 C 23 29 20.96 +06 47 06.1 R G45
2015-09-15 06:43:47 C 23 29 20.53 +06 47 04.0 R G45
2015-09-15 06:50:49 C 23 29 20.18 +06 47 02.3 R G45
2015-09-15 06:58:26 C 23 29 19.80 +06 47 00.0 R G45
2015-09-15 07:05:45 C 23 29 19.42 +06 46 57.8 R G45
2015-09-17 01:45:02 C 23 27 10.56 +06 34 39.9 18.7 u J43
2015-09-17 02:03:47 C 23 27 09.60 +06 34 34.4 18.6 u J43
2015-09-17 02:22:34 C 23 27 08.65 +06 34 28.8 18.6 u J43
2015-09-17 02:41:21 C 23 27 07.69 +06 34 23.3 18.6 u J43
2015-09-17 06:31:39 C 23 26 56.26 +06 33 15.9 q 703
2015-09-17 06:37:25 C 23 26 55.98 +06 33 14.4 q 703
2015-09-17 06:43:11 C 23 26 55.74 +06 33 12.7 q 703
2015-09-17 06:48:57 C 23 26 55.41 +06 33 10.9 q 703
2015-09-18 22:55:06 C 23 24 54.80 +06 21 22.5 c A24
2015-09-18 22:56:09 C 23 24 54.79 +06 21 21.9 c A24
2015-09-20 22:20:49 C 23 22 33.19 +06 07 10.4 c A24
2015-09-20 23:19:48 C 23 22 30.26 +06 06 53.0 c A24
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)