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
2022-09-14 10:50:51 C 22 12 07.095 -03 37 38.59 U F51
2022-09-14 22:11:30 C 22 11 32.767 -03 40 55.63 V M22
2022-09-14 22:17:21 C 22 11 32.438 -03 40 57.54 V M22
2022-09-14 22:25:48 C 22 11 32.038 -03 40 59.63 V M22
2022-09-14 22:44:55 C 22 11 31.054 -03 41 05.32 V M22
2022-09-15 13:42:51 C 22 10 46.361 -03 45 30.17 V P07
2022-09-15 14:58:14 C 22 10 42.535 -03 45 52.45 V P07
2022-09-15 16:01:28 C 22 10 39.324 -03 46 11.21 V P07
2022-09-15 18:06:44 C 22 10 32.969 -03 46 47.75 V P07
2022-09-15 18:08:07 C 22 10 32.899 -03 46 47.93 V P07
2022-09-15 21:56:44 C 22 10 21.80 -03 47 59.7 V 130
2022-09-15 21:59:36 C 22 10 21.66 -03 48 00.7 V 130
2022-09-15 22:02:06 C 22 10 21.55 -03 48 01.4 V 130
2022-09-16 07:42:46 C 22 09 52.909 -03 50 49.49 V 703
2022-09-16 07:50:27 C 22 09 52.535 -03 50 51.94 V 703
2022-09-16 07:58:08 C 22 09 52.139 -03 50 54.10 V 703
2022-09-16 08:05:49 C 22 09 51.793 -03 50 56.22 V 703
2022-09-16 10:57:38 C 22 09 43.368 -03 51 45.00 V T08
2022-09-16 11:21:21 C 22 09 42.182 -03 51 51.70 V T08
2022-09-16 11:25:57 C 22 09 41.930 -03 51 53.53 V T08
2022-09-16 11:37:13 C 22 09 41.407 -03 51 56.70 V T08
2022-09-16 13:48:37 C 22 09 35.278 -03 52 31.44 V P07
2022-09-16 15:03:24 C 22 09 31.531 -03 52 52.68 V P07
2022-09-16 16:18:13 C 22 09 27.816 -03 53 14.50 V P07
2022-09-16 17:19:13 C 22 09 24.746 -03 53 31.99 V P07
2022-09-17 05:29:23 C 22 08 49.715 -03 57 07.74 V G96
2022-09-17 05:39:40 C 22 08 49.247 -03 57 09.58 V G96
2022-09-17 05:47:45 C 22 08 48.844 -03 57 12.02 V G96
2022-09-17 05:55:52 C 22 08 48.448 -03 57 14.26 V G96
2022-09-18 03:38:05 C 22 07 46.744 -04 03 25.67 V 703
2022-09-18 03:45:58 C 22 07 46.348 -04 03 27.79 V 703
2022-09-18 03:53:50 C 22 07 45.980 -04 03 29.95 V 703
2022-09-18 04:01:43 C 22 07 45.606 -04 03 32.11 V 703
2022-09-19 07:41:40 C 22 06 28.584 -04 11 17.72 U F51
2022-09-19 07:59:40 C 22 06 27.737 -04 11 22.76 U F51
2022-09-19 08:17:25 C 22 06 26.903 -04 11 27.70 U F51
2022-09-19 11:45:09 C 22 06 17.55 -04 12 26.3 V D29
2022-09-19 12:05:31 C 22 06 16.60 -04 12 32.0 V D29
2022-09-19 12:25:53 C 22 06 15.65 -04 12 37.6 V D29
2022-09-20 08:43:04 C 22 05 20.669 -04 18 12.74 V T08
2022-09-20 08:53:13 C 22 05 20.170 -04 18 15.55 V T08
2022-09-20 09:11:19 C 22 05 19.373 -04 18 20.81 V T08
2022-09-20 11:49:48 C 22 05 12.559 -04 19 00.52 V P07
2022-09-20 13:02:18 C 22 05 09.240 -04 19 20.28 V P07
2022-09-20 13:05:38 C 22 05 09.082 -04 19 21.40 V P07
2022-09-20 14:21:25 C 22 05 05.633 -04 19 41.88 V P07
2022-09-20 15:25:32 C 22 05 02.702 -04 19 59.52 V P07
2022-09-20 19:09:03 C 22 04 52.98 -04 21 05.4 V K83
2022-09-20 19:13:16 C 22 04 52.81 -04 21 06.5 V K83
2022-09-20 19:17:30 C 22 04 52.62 -04 21 07.7 V K83
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)