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
2022-10-15 01:51:30 C 21 47 41.503 -06 22 08.76 V W68
2022-10-15 02:01:15 C 21 47 41.309 -06 22 09.84 V W68
2022-10-15 02:15:40 C 21 47 41.117 -06 22 11.53 V W68
2022-10-16 07:12:53 C 21 47 16.620 -06 26 07.87 V T05
2022-10-16 07:18:05 C 21 47 16.565 -06 26 10.00 V T05
2022-10-16 07:29:04 C 21 47 16.392 -06 26 10.93 V T05
2022-10-16 07:50:35 C 21 47 16.106 -06 26 14.06 V T05
2022-10-20 05:31:57 C 21 46 13.633 -06 37 27.41 U F51
2022-10-20 05:50:01 C 21 46 13.454 -06 37 29.39 U F51
2022-10-20 06:08:04 C 21 46 13.277 -06 37 31.32 U F51
2022-10-20 06:26:07 C 21 46 13.096 -06 37 33.31 U F51
2022-10-20 07:01:35 C 21 46 12.742 -06 37 37.38 V T05
2022-10-20 07:06:08 C 21 46 12.758 -06 37 37.67 V T05
2022-10-20 07:13:57 C 21 46 12.578 -06 37 38.42 V T05
2022-10-20 07:37:00 C 21 46 12.437 -06 37 41.12 V T05
2022-10-20 19:13:56 C 21 46 06.451 -06 38 52.04 V M22
2022-10-20 19:17:50 C 21 46 06.430 -06 38 52.69 V M22
2022-10-20 19:30:27 C 21 46 06.274 -06 38 53.56 V M22
2022-10-20 19:49:40 C 21 46 06.110 -06 38 55.68 V M22
2022-10-22 08:41:54 C 21 45 49.601 -06 42 42.48 V T08
2022-10-22 08:45:14 C 21 45 49.601 -06 42 42.95 V T08
2022-10-22 08:45:54 C 21 45 49.574 -06 42 41.98 V T08
2022-10-22 08:51:54 C 21 45 49.531 -06 42 43.13 V T08
2022-10-22 08:54:34 C 21 45 49.478 -06 42 43.34 V T08
2022-10-22 08:59:53 C 21 45 49.486 -06 42 44.35 V T08
2022-10-22 09:15:51 C 21 45 49.361 -06 42 45.50 V T08
2022-10-22 09:17:51 C 21 45 49.382 -06 42 45.40 V T08
2022-10-23 01:02:58 C 21 45 43.627 -06 44 11.29 V W68
2022-10-23 01:07:30 C 21 45 43.601 -06 44 11.80 V W68
2022-10-23 01:17:53 C 21 45 43.510 -06 44 13.27 V W68
2022-10-23 01:32:10 C 21 45 43.378 -06 44 14.53 V W68
2022-10-24 06:38:15 C 21 45 34.385 -06 46 52.86 V T05
2022-10-24 06:52:30 C 21 45 34.327 -06 46 55.24 V T05
2022-10-24 06:57:43 C 21 45 34.301 -06 46 54.44 V T05
2022-10-24 07:05:32 C 21 45 34.229 -06 46 55.56 V T05
2022-10-24 19:05:48 C 21 45 31.099 -06 47 52.80 V M22
2022-10-24 19:12:59 C 21 45 31.176 -06 47 53.16 V M22
2022-10-24 19:17:38 C 21 45 31.063 -06 47 54.35 V M22
2022-10-24 19:38:11 C 21 45 31.097 -06 47 55.32 V M22
2022-10-26 06:37:48 C 21 45 24.295 -06 50 44.56 V T08
2022-10-26 06:42:27 C 21 45 24.271 -06 50 43.91 V T08
2022-10-26 06:50:34 C 21 45 24.295 -06 50 44.23 V T08
2022-10-26 07:11:17 C 21 45 24.180 -06 50 46.10 V T08
2022-10-28 07:15:57 C 21 45 20.078 -06 54 05.83 V T05
2022-10-28 07:20:30 C 21 45 20.110 -06 54 05.26 V T05
2022-10-28 07:34:55 C 21 45 20.100 -06 54 06.34 V T05
2022-10-28 07:46:40 C 21 45 20.110 -06 54 06.80 V T05
2022-10-30 06:19:58 C 21 45 21.833 -06 56 48.91 V T08
2022-10-30 06:29:57 C 21 45 21.826 -06 56 49.74 V T08
2022-10-30 06:37:16 C 21 45 21.864 -06 56 50.35 V 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)