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
2022-09-21 12:01:47 C 22 04 08.765 -04 25 34.86 V P07
2022-09-21 13:14:48 C 22 04 05.530 -04 25 54.08 V P07
2022-09-21 14:32:13 C 22 04 02.095 -04 26 14.86 V P07
2022-09-21 15:37:23 C 22 03 59.208 -04 26 32.64 V P07
2022-09-22 08:44:56 C 22 03 15.334 -04 31 09.70 V T05
2022-09-22 08:49:30 C 22 03 15.144 -04 31 11.10 V T05
2022-09-22 08:58:59 C 22 03 14.736 -04 31 13.66 V T05
2022-09-22 09:13:11 C 22 03 14.107 -04 31 17.47 V T05
2022-09-24 11:45:41 C 22 01 09.698 -04 44 22.60 V P07
2022-09-24 13:00:28 C 22 01 06.674 -04 44 41.57 V P07
2022-09-24 14:14:19 C 22 01 03.631 -04 45 00.07 V P07
2022-09-24 15:29:26 C 22 01 00.588 -04 45 19.51 V P07
2022-09-25 04:47:54 C 22 00 29.257 -04 48 45.32 V 703
2022-09-25 04:56:38 C 22 00 28.922 -04 48 47.56 V 703
2022-09-25 05:05:22 C 22 00 28.602 -04 48 49.25 V 703
2022-09-25 05:14:06 C 22 00 28.195 -04 48 52.31 V 703
2022-09-25 11:44:02 C 22 00 13.262 -04 50 25.33 V P07
2022-09-25 12:56:22 C 22 00 10.368 -04 50 43.58 V P07
2022-09-25 14:10:46 C 22 00 07.466 -04 51 02.12 V P07
2022-09-25 15:16:41 C 22 00 04.805 -04 51 18.50 V P07
2022-09-26 01:00:43 C 21 59 42.69 -04 53 43.3 V W94
2022-09-26 01:09:34 C 21 59 42.31 -04 53 45.5 V W94
2022-09-26 01:18:31 C 21 59 41.94 -04 53 48.2 V W94
2022-09-26 07:37:47 C 21 59 27.580 -04 55 24.55 U F52
2022-09-26 07:55:22 C 21 59 26.900 -04 55 28.87 U F52
2022-09-26 08:12:26 C 21 59 26.206 -04 55 33.10 V T05
2022-09-26 08:12:58 C 21 59 26.214 -04 55 33.19 U F52
2022-09-26 08:24:11 C 21 59 25.788 -04 55 35.80 V T05
2022-09-26 08:28:44 C 21 59 25.615 -04 55 37.06 V T05
2022-09-26 08:30:32 C 21 59 25.534 -04 55 37.50 U F52
2022-09-26 08:43:57 C 21 59 24.996 -04 55 40.73 V T05
2022-09-26 20:26:38 C 21 58 58.843 -04 58 28.63 V M22
2022-09-26 20:30:31 C 21 58 58.685 -04 58 29.39 V M22
2022-09-26 20:31:10 C 21 58 58.678 -04 58 29.35 V M22
2022-09-26 20:35:11 C 21 58 58.507 -04 58 30.94 V M22
2022-09-26 20:39:06 C 21 58 58.354 -04 58 31.51 V M22
2022-09-26 20:43:00 C 21 58 58.190 -04 58 32.41 V M22
2022-09-26 20:54:04 C 21 58 57.782 -04 58 35.11 V M22
2022-09-26 20:58:38 C 21 58 57.636 -04 58 35.98 V M22
2022-09-27 16:51:08 B 21 58 14.080 -05 03 28.21 W N86
2022-09-27 17:01:24 B 21 58 13.788 -05 03 30.67 W N86
2022-09-27 17:11:39 B 21 58 13.323 -05 03 32.99 W N86
2022-09-28 04:01:59 C 21 57 50.274 -05 06 06.55 V G96
2022-09-28 04:09:30 C 21 57 49.986 -05 06 08.42 V G96
2022-09-28 04:11:11 C 21 57 49.928 -05 06 08.82 V 703
2022-09-28 04:16:59 C 21 57 49.720 -05 06 10.15 V G96
2022-09-28 04:18:50 C 21 57 49.633 -05 06 10.26 V 703
2022-09-28 04:24:28 C 21 57 49.453 -05 06 11.84 V G96
2022-09-28 04:26:30 C 21 57 49.414 -05 06 11.70 V 703
2022-09-28 04:34:09 C 21 57 49.108 -05 06 13.57 V 703
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)