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
2017-04-19 03:34:12 C 22 46 14.32 -07 20 06.0 o K95
2017-04-19 03:53:29 C 22 46 15.43 -07 19 56.6 o K95
2017-04-19 03:59:04 C 22 46 15.72 -07 19 54.8 o K95
2017-04-26 03:19:35 C 22 55 26.06 -06 05 40.9 o K95
2017-04-26 03:26:06 C 22 55 26.37 -06 05 38.2 o K95
2017-04-26 03:32:35 C 22 55 26.79 -06 05 34.7 o K95
2017-06-21 03:59:55 C 23 32 58.72 +00 36 47.3 o Z22
2017-06-21 04:14:53 C 23 32 58.64 +00 36 49.3 o Z22
2017-06-21 04:28:20 C 23 32 58.65 +00 36 51.2 o Z22
2017-07-01 14:12:29 C 23 31 20.93 +01 03 42.9 L T08
2017-07-01 14:24:50 C 23 31 20.74 +01 03 43.8 L T08
2017-07-01 14:37:19 C 23 31 20.58 +01 03 44.5 L T08
2017-07-01 14:49:41 C 23 31 20.39 +01 03 45.6 L T08
2017-07-04 01:19:07 C 23 30 28.64 +01 07 12.5 q 160
2017-07-04 01:22:08 C 23 30 28.57 +01 07 12.4 q 160
2017-07-04 01:25:08 C 23 30 28.53 +01 07 12.8 q 160
2017-07-08 12:55:51 C 23 28 23.70 +01 10 40.4 L T08
2017-07-08 13:07:55 C 23 28 23.41 +01 10 41.0 L T08
2017-07-08 13:20:01 C 23 28 23.14 +01 10 41.3 L T08
2017-07-08 13:32:09 C 23 28 22.85 +01 10 41.1 L T08
2017-07-11 13:16:54 C 23 26 37.83 +01 10 47.4 L T05
2017-07-11 13:29:10 C 23 26 37.52 +01 10 46.8 L T05
2017-07-11 13:41:26 C 23 26 37.16 +01 10 46.7 L T05
2017-07-11 13:53:37 C 23 26 36.82 +01 10 45.8 L T05
2017-07-15 00:13:21 C 23 24 14.86 +01 08 37.7 q 160
2017-07-15 00:16:24 C 23 24 14.77 +01 08 37.7 q 160
2017-07-15 00:19:27 C 23 24 14.64 +01 08 37.3 q 160
2017-07-15 13:59:39 C 23 23 48.70 +01 08 04.4 L T05
2017-07-15 14:12:08 C 23 23 48.26 +01 08 03.7 L T05
2017-07-15 14:25:35 C 23 23 47.86 +01 08 03.3 L T05
2017-07-15 14:39:22 C 23 23 47.41 +01 08 02.1 L T05
2017-07-17 13:46:43 C 23 22 13.53 +01 05 30.2 L T08
2017-07-17 13:59:38 C 23 22 13.05 +01 05 29.4 L T08
2017-07-17 14:01:02 C 23 22 13.01 +01 05 29.2 L T08
2017-07-17 14:13:24 C 23 22 12.59 +01 05 27.8 L T08
2017-07-17 14:15:34 C 23 22 12.50 +01 05 28.0 L T08
2017-07-17 14:27:42 C 23 22 12.08 +01 05 27.9 L T08
2017-07-17 14:29:07 C 23 22 12.01 +01 05 27.6 L T08
2017-07-17 14:44:22 C 23 22 11.46 +01 05 27.1 L T08
2017-07-21 13:35:04 C 23 18 39.66 +00 57 51.2 L T08
2017-07-21 13:47:56 C 23 18 39.17 +00 57 50.3 L T08
2017-07-21 14:01:59 C 23 18 38.58 +00 57 48.1 L T08
2017-07-21 14:16:59 C 23 18 37.97 +00 57 47.2 L T08
2017-07-23 19:05:42 C 23 16 27.16 +00 52 06.5 q D29
2017-07-23 19:28:37 C 23 16 26.14 +00 52 03.8 q D29
2017-07-23 19:51:31 C 23 16 25.14 +00 52 01.2 q D29
2017-07-25 13:24:05 C 23 14 35.96 +00 46 52.1 L T08
2017-07-25 13:37:41 C 23 14 35.29 +00 46 50.1 L T08
2017-07-25 13:39:06 C 23 14 35.25 +00 46 49.5 L T08
2017-07-25 14:05:06 C 23 14 34.04 +00 46 46.2 L T08
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)