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
2015-10-14 05:51:43 C 22 58 12.01 +03 17 52.7 q 703
2015-10-16 03:42:27 C 22 56 38.59 +03 05 08.2 u H21
2015-10-16 03:45:58 C 22 56 38.47 +03 05 07.2 u H21
2015-10-16 03:49:04 C 22 56 38.37 +03 05 06.6 u H21
2015-10-16 03:52:10 C 22 56 38.27 +03 05 05.6 u H21
2015-10-16 03:55:16 C 22 56 38.15 +03 05 05.0 u H21
2015-10-16 03:58:22 C 22 56 38.05 +03 05 03.8 u H21
2015-10-16 04:01:28 C 22 56 37.96 +03 05 03.2 u H21
2015-10-17 03:46:44 C 22 55 51.53 +02 58 36.3 R G45
2015-10-17 03:53:46 C 22 55 51.31 +02 58 34.4 R G45
2015-10-17 04:09:59 C 22 55 50.76 +02 58 29.2 R G45
2015-10-17 04:16:52 C 22 55 50.52 +02 58 28.0 R G45
2015-10-18 13:03:35 C 22 54 48.63 +02 49 42.8 q D29
2015-10-18 13:23:54 C 22 54 47.99 +02 49 37.1 q D29
2015-10-18 13:44:13 C 22 54 47.37 +02 49 32.4 q D29
2015-11-02 02:34:30 C 22 46 35.89 +01 29 51.3 R G45
2015-11-02 02:42:45 C 22 46 35.78 +01 29 49.8 R G45
2015-11-02 02:50:57 C 22 46 35.61 +01 29 48.1 R G45
2015-11-02 02:57:47 C 22 46 35.52 +01 29 46.3 R G45
2015-11-02 03:08:42 C 22 46 35.32 +01 29 44.6 R G45
2015-11-08 00:30:06 C 22 44 44.01 +01 05 19.9 u H21
2015-11-08 00:34:39 C 22 44 43.94 +01 05 19.2 u H21
2015-11-08 00:38:55 C 22 44 43.90 +01 05 18.6 u H21
2015-11-08 00:43:02 C 22 44 43.86 +01 05 17.9 u H21
2015-11-08 00:47:18 C 22 44 43.80 +01 05 17.2 u H21
2015-11-08 00:51:33 C 22 44 43.76 +01 05 16.6 u H21
2015-11-08 00:55:32 C 22 44 43.69 +01 05 16.6 u H21
2015-12-31 10:33:26 C 22 59 51.23 +00 55 24.2 q D29
2015-12-31 11:03:54 C 22 59 52.07 +00 55 26.5 q D29
2015-12-31 11:34:23 C 22 59 52.95 +00 55 30.7 q D29
2016-07-31 19:38:46 C 03 12 53.46 +26 58 28.5 q D29
2016-07-31 19:57:51 C 03 12 54.54 +26 58 35.1 q D29
2016-07-31 20:16:57 C 03 12 55.63 +26 58 41.9 q D29
2016-08-09 01:36:49 C 03 24 21.33 +28 09 34.1 q 160
2016-08-09 01:39:51 C 03 24 21.51 +28 09 35.2 q 160
2016-08-09 01:42:55 C 03 24 21.68 +28 09 36.4 q 160
2016-08-13 01:47:22 C 03 29 55.66 +28 44 35.8 q 160
2016-08-13 01:50:26 C 03 29 55.82 +28 44 37.5 q 160
2016-08-13 01:53:27 C 03 29 55.97 +28 44 38.1 q 160
2016-08-13 19:37:27 C 03 30 57.62 +28 51 09.4 q D29
2016-08-13 19:55:17 C 03 30 58.62 +28 51 15.7 q D29
2016-08-13 20:13:05 C 03 30 59.64 +28 51 22.5 q D29
2016-08-14 19:23:33 C 03 32 20.27 +28 59 53.3 q D29
2016-08-14 19:49:00 C 03 32 21.72 +29 00 03.2 q D29
2016-08-14 20:14:28 C 03 32 23.17 +29 00 12.5 q D29
2016-08-15 02:10:39 C 03 32 43.85 +29 02 22.9 q 160
2016-08-15 02:13:41 C 03 32 44.03 +29 02 23.9 q 160
2016-08-15 02:16:44 C 03 32 44.21 +29 02 25.3 q 160
2016-08-23 01:34:02 C 03 43 49.32 +30 14 03.7 q 160
2016-08-23 01:36:59 C 03 43 49.51 +30 14 05.1 q 160
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)