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
2005-09-09 07:21:18 C 23 25 23.21 +05 53 42.9 19.1 c 704
2005-09-09 07:37:27 C 23 25 22.46 +05 53 38.6 19.0 c 704
2005-09-09 07:53:32 C 23 25 21.60 +05 53 33.5 19.1 c 704
2005-09-26 02:02:36 C 23 05 26.67 +03 54 16.4 r 446
2005-09-26 02:43:42 C 23 05 24.76 +03 54 03.8 r 446
2005-09-26 03:23:04 C 23 05 22.87 +03 53 51.6 r 446
2005-09-29 04:19:31 C 23 02 03.29 +03 31 34.0 o 644
2005-09-29 04:50:16 C 23 02 01.89 +03 31 24.5 o 644
2005-09-29 05:20:43 C 23 02 00.52 +03 31 15.2 o 644
2005-10-01 04:31:39 C 22 59 56.07 +03 16 57.3 r 703
2005-10-01 04:38:40 C 22 59 55.75 +03 16 53.4 r 703
2005-10-01 04:45:45 C 22 59 55.46 +03 16 51.7 r 703
2005-10-01 04:52:45 C 22 59 55.17 +03 16 50.5 r 703
2005-10-01 05:10:54 C 22 59 54.39 +03 16 45.3 o 699
2005-10-01 05:42:38 C 22 59 53.01 +03 16 35.7 o 699
2005-10-01 06:14:23 C 22 59 51.57 +03 16 26.2 o 699
2005-10-05 05:51:11 C 22 55 52.21 +02 47 58.1 r 703
2005-10-05 05:56:36 C 22 55 51.96 +02 47 56.1 r 703
2005-10-05 06:02:05 C 22 55 51.78 +02 47 54.4 r 703
2005-10-05 06:07:32 C 22 55 51.56 +02 47 53.0 r 703
2005-10-08 04:44:40 C 22 53 06.82 +02 27 28.2 18.9 c 704
2005-10-08 05:00:18 C 22 53 06.21 +02 27 23.6 19.3 c 704
2005-10-08 05:15:59 C 22 53 05.58 +02 27 19.1 19.3 c 704
2005-10-08 05:31:38 C 22 53 05.00 +02 27 14.8 19.4 c 704
2005-10-08 05:47:14 C 22 53 04.38 +02 27 10.3 19.8 c 704
2005-10-10 05:51:11 C 22 51 18.57 +02 13 40.0 19.5 c 704
2005-10-10 06:07:15 C 22 51 17.98 +02 13 34.7 19.4 c 704
2005-10-10 06:39:18 C 22 51 16.82 +02 13 26.4 19.2 c 704
2005-10-20 04:53:41 C 22 43 53.722 +01 12 08.43 e 645
2005-10-20 04:58:41 C 22 43 53.587 +01 12 07.26 19.92 e 645
2005-10-23 04:20:09 C 22 42 08.309 +00 55 54.41 e 645
2005-10-23 04:25:09 C 22 42 08.188 +00 55 53.32 19.99 e 645
2005-10-25 04:35:54 C 22 41 04.429 +00 45 33.64 e 645
2005-10-25 04:40:54 C 22 41 04.317 +00 45 32.65 19.96 e 645
2005-10-27 03:22:15 C 22 40 08.31 +00 36 02.8 19.2 c 704
2005-10-27 03:39:06 C 22 40 07.94 +00 35 59.3 19.6 c 704
2005-10-27 03:55:57 C 22 40 07.65 +00 35 55.7 19.6 c 704
2005-10-27 04:12:47 C 22 40 07.30 +00 35 52.9 19.5 c 704
2005-10-27 04:29:39 C 22 40 06.92 +00 35 48.7 19.3 c 704
2005-10-28 06:13:28 C 22 39 38.407 +00 30 46.91 e 645
2005-10-28 06:18:28 C 22 39 38.309 +00 30 45.95 20.07 e 645
2005-10-30 03:24:23 C 22 38 52.66 +00 22 21.1 19.3 c 704
2005-10-30 03:41:49 C 22 38 52.37 +00 22 17.3 19.2 c 704
2005-10-30 03:54:36 C 22 38 52.157 +00 22 14.36 e 645
2005-10-30 03:59:22 C 22 38 52.06 +00 22 14.2 19.2 c 704
2005-10-30 03:59:36 C 22 38 52.076 +00 22 13.39 20.05 e 645
2005-10-30 04:16:55 C 22 38 51.81 +00 22 11.6 19.5 c 704
2005-10-30 04:34:14 C 22 38 51.49 +00 22 08.0 19.6 c 704
2005-11-01 03:49:24 C 22 38 09.266 +00 13 48.59 e 645
2005-11-01 03:54:24 C 22 38 09.193 +00 13 47.71 20.1 e 645
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)