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
2006-11-26 21:17:08 C 00 32 34.62 +33 11 09.7 c 127
2006-11-26 21:20:58 C 00 32 33.78 +33 11 04.6 c 127
2006-11-26 21:25:03 C 00 32 32.89 +33 10 58.9 c 127
2006-11-29 03:24:01 C 00 21 09.40 +31 54 53.2 14.0 c 704
2006-11-29 03:42:15 C 00 21 05.48 +31 54 26.2 14.3 c 704
2006-11-29 04:00:33 C 00 21 01.56 +31 53 58.9 14.3 c 704
2006-11-29 04:18:52 C 00 20 57.63 +31 53 31.6 14.3 c 704
2006-11-29 04:37:13 C 00 20 53.68 +31 53 04.5 14.2 c 704
2006-11-29 21:19:46 C 00 17 24.96 +31 27 55.4 c 127
2006-11-29 21:22:58 C 00 17 24.30 +31 27 50.5 c 127
2006-11-29 21:26:20 C 00 17 23.58 +31 27 45.3 c 127
2006-11-29 21:29:23 C 00 17 22.94 +31 27 40.6 c 127
2006-11-29 21:32:36 C 00 17 22.26 +31 27 35.7 c 127
2006-11-30 23:21:27 C 00 12 02.35 +30 47 36.1 o 204
2006-11-30 23:24:57 C 00 12 01.62 +30 47 30.4 o 204
2006-11-30 23:28:27 C 00 12 00.90 +30 47 24.7 o 204
2006-12-01 17:53:19 C 00 08 16.65 +30 18 03.4 r 113
2006-12-01 17:54:47 C 00 08 16.34 +30 18 00.8 r 113
2006-12-01 17:56:12 C 00 08 16.05 +30 17 58.6 r 113
2006-12-01 17:57:38 C 00 08 15.75 +30 17 56.3 r 113
2006-12-01 17:59:03 C 00 08 15.46 +30 17 54.1 r 113
2006-12-05 12:49:59 C 23 50 15.30 +27 43 09.2 m 355
2006-12-05 12:53:15 C 23 50 14.66 +27 43 03.2 m 355
2006-12-05 12:54:44 C 23 50 14.36 +27 43 00.4 m 355
2006-12-05 12:56:13 C 23 50 14.07 +27 42 57.9 m 355
2006-12-05 12:57:48 C 23 50 13.79 +27 42 54.9 m 355
2006-12-07 17:43:50 C 23 40 15.20 +26 06 25.6 14.0 r 084
2006-12-07 17:45:59 C 23 40 14.80 +26 06 21.7 14.0 r 084
2006-12-07 20:46:52 C 23 39 40.77 +26 00 41.7 14.0 r 084
2006-12-07 20:49:01 C 23 39 40.34 +26 00 37.5 14.0 r 084
2006-12-10 19:10:38 C 23 26 55.16 +23 45 57.9 r A06
2006-12-10 19:15:07 C 23 26 54.35 +23 45 49.0 r A06
2006-12-10 19:27:54 C 23 26 52.03 +23 45 19.5 o A32
2006-12-10 19:34:34 C 23 26 50.82 +23 45 06.6 o A32
2006-12-10 19:45:52 C 23 26 48.78 +23 44 44.1 o A32
2006-12-10 19:54:00 C 23 26 47.31 +23 44 28.1 o A32
2006-12-10 20:03:32 C 23 26 45.60 +23 44 09.3 o A32
2006-12-14 19:00:54 C 23 10 26.84 +20 33 31.4 o 491
2006-12-14 19:31:03 C 23 10 21.56 +20 32 27.8 o 491
2006-12-14 19:43:51 C 23 10 20.15 +20 32 10.8 o 491
2006-12-14 19:50:09 C 23 10 18.65 +20 31 52.4 o 491
2006-12-14 19:54:53 C 23 10 17.83 +20 31 42.6 o 491
2006-12-14 19:58:10 C 23 10 17.27 +20 31 36.0 o 491
2006-12-17 17:28:39 C 22 58 54.35 +18 06 47.7 14.3 r 084
2006-12-17 17:30:48 C 22 58 53.98 +18 06 43.0 14.3 r 084
2006-12-18 18:55:07 C 22 54 49.26 +17 12 48.8 14.3 r 084
2006-12-20 09:17:09 C 22 48 44.10 +15 50 36.3 r 379
2006-12-20 09:22:31 C 22 48 43.24 +15 50 25.2 r 379
2006-12-20 09:25:43 C 22 48 42.73 +15 50 18.1 r 379
2006-12-20 09:28:22 C 22 48 42.29 +15 50 12.4 r 379
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)