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
2023-10-04 08:16:46 C 00 37 11.130 +17 34 44.96 X F51
2023-10-04 08:27:24 C 00 37 10.478 +17 34 41.84 X F52
2023-10-04 08:33:11 C 00 37 10.124 +17 34 40.07 X F51
2023-10-04 08:44:18 C 00 37 09.443 +17 34 36.79 X F52
2023-10-04 08:48:03 C 00 37 09.213 +17 34 35.64 X F51
2023-10-04 11:02:19 C 00 37 00.965 +17 33 55.08 V T05
2023-10-04 11:06:31 C 00 37 00.701 +17 33 54.04 V T05
2023-10-04 11:14:35 C 00 37 00.218 +17 33 51.44 V T05
2023-10-04 11:29:59 C 00 36 59.258 +17 33 46.62 V T05
2023-10-06 08:01:48 C 00 34 18.234 +17 19 59.19 X F52
2023-10-06 08:37:15 C 00 34 16.047 +17 19 48.03 X F52
2023-10-06 08:55:21 C 00 34 14.926 +17 19 42.30 X F52
2023-10-06 10:28:19 C 00 34 09.187 +17 19 12.68 V T05
2023-10-06 10:33:02 C 00 34 08.875 +17 19 11.42 V T05
2023-10-06 10:41:16 C 00 34 08.371 +17 19 08.65 V T05
2023-10-06 10:56:42 C 00 34 07.411 +17 19 03.58 V T05
2023-10-07 01:14:00 B 00 33 15.42 +17 14 26.8 X K19
2023-10-07 01:19:18 B 00 33 15.10 +17 14 24.9 X K19
2023-10-07 01:24:36 B 00 33 14.75 +17 14 23.2 X K19
2023-10-07 04:52:25 C 00 33 02.230 +17 13 21.79 V W68
2023-10-07 04:56:59 C 00 33 01.954 +17 13 20.21 V W68
2023-10-07 05:07:01 C 00 33 01.334 +17 13 17.18 V W68
2023-10-07 05:23:29 C 00 33 00.314 +17 13 11.86 V W68
2023-10-08 10:19:29 C 00 31 14.957 +17 03 36.90 V T05
2023-10-08 10:24:49 C 00 31 14.662 +17 03 35.42 V T05
2023-10-08 10:32:51 C 00 31 14.143 +17 03 32.72 V T05
2023-10-08 10:47:06 C 00 31 13.246 +17 03 27.83 V T05
2023-10-10 05:07:23 C 00 28 39.140 +16 49 02.78 V 703
2023-10-10 05:15:07 C 00 28 38.640 +16 49 00.12 V 703
2023-10-10 05:22:53 C 00 28 38.168 +16 48 57.74 V 703
2023-10-10 05:30:38 C 00 28 37.679 +16 48 54.97 V 703
2023-10-10 21:26:08 B 00 27 39.67 +16 43 20.9 X K19
2023-10-10 21:31:33 B 00 27 39.34 +16 43 19.1 X K19
2023-10-10 21:37:02 B 00 27 39.00 +16 43 17.1 X K19
2023-10-11 04:52:02 C 00 27 12.672 +16 40 44.69 V G96
2023-10-11 04:59:29 C 00 27 12.218 +16 40 42.10 V G96
2023-10-11 05:06:57 C 00 27 11.750 +16 40 39.50 V G96
2023-10-11 05:14:25 C 00 27 11.293 +16 40 36.84 V G96
2023-10-12 04:21:18 C 00 25 47.345 +16 32 22.56 V 703
2023-10-12 04:29:01 C 00 25 46.848 +16 32 19.79 V 703
2023-10-12 04:36:44 C 00 25 46.438 +16 32 17.52 V 703
2023-10-12 04:44:28 C 00 25 45.912 +16 32 14.42 V 703
2023-10-12 09:39:21 C 00 25 27.958 +16 30 29.56 V T05
2023-10-12 09:43:26 C 00 25 27.725 +16 30 28.01 V T05
2023-10-12 10:33:51 C 00 25 24.574 +16 30 09.76 V T05
2023-10-12 10:42:10 C 00 25 24.072 +16 30 07.09 V T05
2023-10-13 04:34:56 C 00 24 19.363 +16 23 41.03 V W68
2023-10-13 04:39:31 C 00 24 19.073 +16 23 39.41 V W68
2023-10-13 05:29:46 C 00 24 15.979 +16 23 20.94 V W68
2023-10-13 05:40:54 C 00 24 15.319 +16 23 16.80 V W68
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)