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
2023-09-13 05:37:11 C 01 04 28.682 +19 17 40.31 V W68
2023-09-16 06:39:55 C 01 01 05.718 +19 09 04.72 V 703
2023-09-16 06:47:36 C 01 01 05.326 +19 09 03.85 V 703
2023-09-16 06:55:16 C 01 01 04.969 +19 09 02.56 V 703
2023-09-16 07:02:56 C 01 01 04.559 +19 09 01.66 V 703
2023-09-16 07:19:17 C 01 01 03.774 +19 08 59.64 V G96
2023-09-16 07:26:43 C 01 01 03.410 +19 08 58.78 V G96
2023-09-16 07:34:09 C 01 01 03.040 +19 08 57.77 V G96
2023-09-16 07:41:35 C 01 01 02.680 +19 08 56.83 V G96
2023-09-16 10:26:35 C 01 00 54.778 +19 08 35.77 V T05
2023-09-16 10:29:11 C 01 00 54.641 +19 08 35.59 V T05
2023-09-16 12:26:08 C 01 00 48.898 +19 08 20.29 V T05
2023-09-18 08:25:22 C 00 58 39.678 +19 02 04.57 X F52
2023-09-18 09:02:16 C 00 58 37.803 +19 01 59.09 X F52
2023-09-18 09:20:44 C 00 58 36.863 +19 01 56.33 X F52
2023-09-18 10:07:48 C 00 58 34.457 +19 01 49.26 V T05
2023-09-18 10:12:24 C 00 58 34.200 +19 01 48.90 V T05
2023-09-18 10:18:25 C 00 58 33.929 +19 01 47.96 V T05
2023-09-18 10:26:14 C 00 58 33.533 +19 01 46.42 V T05
2023-09-19 07:11:18 C 00 57 30.755 +18 58 31.98 V 703
2023-09-19 07:19:15 C 00 57 30.326 +18 58 30.29 V 703
2023-09-19 07:27:10 C 00 57 29.887 +18 58 29.10 V 703
2023-09-19 07:35:06 C 00 57 29.488 +18 58 27.62 V 703
2023-09-20 10:03:08 C 00 56 07.992 +18 54 05.72 V T05
2023-09-20 10:07:50 C 00 56 07.726 +18 54 04.72 V T05
2023-09-20 10:13:04 C 00 56 07.476 +18 54 03.74 V T05
2023-09-20 10:21:01 C 00 56 07.032 +18 54 02.41 V T05
2023-09-20 12:05:11 C 00 56 01.517 +18 53 44.27 V T05
2023-09-20 12:05:50 C 00 56 01.478 +18 53 44.09 V T05
2023-09-20 12:06:29 C 00 56 01.440 +18 53 44.48 V T05
2023-09-20 12:07:08 C 00 56 01.426 +18 53 44.23 V T05
2023-09-20 12:07:47 C 00 56 01.356 +18 53 44.23 V T05
2023-09-20 20:51:15 C 00 55 34.361 +18 52 16.86 V M22
2023-09-20 20:51:54 C 00 55 34.279 +18 52 16.21 V M22
2023-09-20 20:52:33 C 00 55 34.272 +18 52 16.54 V M22
2023-09-20 20:53:12 C 00 55 34.200 +18 52 16.25 V M22
2023-09-20 20:53:51 C 00 55 34.207 +18 52 16.21 V M22
2023-09-22 11:30:49 C 00 53 31.373 +18 45 08.53 V T05
2023-09-22 11:36:12 C 00 53 31.118 +18 45 07.38 V T05
2023-09-22 11:45:26 C 00 53 30.619 +18 45 05.44 V T05
2023-09-22 12:48:52 C 00 53 27.125 +18 44 52.98 V T05
2023-09-23 06:07:54 C 00 52 31.379 +18 41 29.11 V 703
2023-09-23 06:15:38 C 00 52 30.950 +18 41 27.78 V 703
2023-09-23 06:23:24 C 00 52 30.486 +18 41 26.70 V 703
2023-09-23 06:31:11 C 00 52 30.068 +18 41 24.61 V 703
2023-09-24 09:06:48 C 00 51 02.937 +18 36 00.17 X F51
2023-09-24 09:24:37 C 00 51 01.935 +18 35 56.53 X F51
2023-09-24 09:30:39 C 00 51 01.598 +18 35 55.28 V T05
2023-09-24 09:35:12 C 00 51 01.342 +18 35 54.02 V T05
2023-09-24 09:39:46 C 00 51 01.051 +18 35 53.34 V T05
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)