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
2000-09-04 06:54:49 C 23 25 18.66 +05 35 36.0 18.7 c 704
2000-09-23 06:03:58 C 23 02 26.67 +03 23 02.9 18.6 c 704
2000-09-23 06:25:18 C 23 02 25.60 +03 22 56.7 18.9 c 704
2000-09-23 06:46:58 C 23 02 24.57 +03 22 49.8 18.9 c 704
2000-09-23 07:08:11 C 23 02 23.53 +03 22 44.3 19.2 c 704
2000-09-23 07:29:21 C 23 02 22.54 +03 22 36.6 18.8 c 704
2000-09-25 05:59:58 C 23 00 11.85 +03 08 24.8 c 699
2000-09-25 06:33:33 C 23 00 10.26 +03 08 14.6 c 699
2000-09-25 07:07:07 C 23 00 08.73 +03 08 04.5 c 699
2000-09-25 07:40:30 C 23 00 07.08 +03 07 54.3 c 699
2000-09-26 06:07:11 C 22 59 05.27 +03 01 04.2 18.4 c 704
2000-09-26 06:28:04 C 22 59 04.24 +03 00 58.4 19.0 c 704
2000-09-26 06:52:05 C 22 59 03.14 +03 00 50.6 18.9 c 704
2000-09-26 07:13:22 C 22 59 02.14 +03 00 43.5 19.0 c 704
2000-09-26 07:36:03 C 22 59 01.09 +03 00 37.8 18.9 c 704
2001-08-22 09:51:46 C 02 53 35.10 +27 36 45.5 18.3 c 704
2001-08-22 10:11:45 C 02 53 35.52 +27 36 51.2 18.5 c 704
2001-08-22 10:30:57 C 02 53 35.99 +27 36 57.3 18.7 c 704
2001-08-22 10:51:11 C 02 53 36.41 +27 37 03.9 18.3 c 704
2001-08-22 11:10:41 C 02 53 36.84 +27 37 10.3 18.5 c 704
2001-08-25 09:41:36 C 02 55 09.60 +27 59 37.5 19.0 c 704
2001-08-25 10:00:01 C 02 55 09.90 +27 59 44.3 19.3 c 704
2001-08-25 10:18:23 C 02 55 10.26 +27 59 50.9 18.9 c 704
2001-08-25 10:36:46 C 02 55 10.63 +27 59 55.3 19.4 c 704
2001-09-08 08:55:30 C 02 59 38.17 +29 45 58.6 18.3 c 704
2001-09-08 09:16:59 C 02 59 38.20 +29 46 05.5 17.8 c 704
2001-09-08 09:37:07 C 02 59 38.22 +29 46 12.2 17.6 c 704
2001-09-20 09:20:30 C 02 58 22.58 +31 15 01.3 17.0 c 644
2001-09-20 09:51:10 C 02 58 22.11 +31 15 10.3 17.1 c 644
2001-09-20 10:22:09 C 02 58 21.56 +31 15 19.9 16.9 c 644
2001-09-22 08:00:54 C 02 57 35.62 +31 28 50.6 c 699
2001-09-22 08:43:41 C 02 57 34.75 +31 29 03.6 c 699
2001-09-22 09:26:33 C 02 57 33.88 +31 29 16.2 c 699
2001-09-22 10:09:33 C 02 57 32.98 +31 29 29.0 c 699
2001-09-24 08:33:20 C 02 56 34.80 +31 42 57.9 17.3 c 704
2001-09-24 08:56:30 C 02 56 34.20 +31 43 04.9 17.7 c 704
2001-09-24 09:17:53 C 02 56 33.67 +31 43 11.1 17.6 c 704
2001-09-24 09:39:46 C 02 56 33.11 +31 43 17.4 17.6 c 704
2001-09-24 10:01:06 C 02 56 32.55 +31 43 23.6 17.5 c 704
2001-09-25 08:05:18 C 02 56 00.86 +31 49 41.5 17.2 c 704
2001-09-25 08:26:55 C 02 56 00.28 +31 49 47.8 17.4 c 704
2001-09-25 08:48:29 C 02 55 59.70 +31 49 53.9 17.6 c 704
2001-09-25 09:31:37 C 02 55 58.42 +31 50 07.3 17.8 c 704
2001-10-03 00:31:45 C 02 49 42.49 +32 38 49.1 c 198
2001-10-03 01:04:39 C 02 49 40.97 +32 38 57.5 c 198
2001-10-09 09:06:21 C 02 41 40.48 +33 12 16.8 16.3 i 704
2001-10-09 09:27:44 C 02 41 39.11 +33 12 20.9 16.6 i 704
2001-10-09 09:49:05 C 02 41 37.74 +33 12 25.0 16.2 i 704
2001-10-09 10:10:27 C 02 41 36.37 +33 12 29.0 16.3 i 704
2001-10-09 10:32:40 C 02 41 34.96 +33 12 33.4 16.6 i 704
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)