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
2023-11-13 01:23:51 C 23 47 59.923 +11 33 45.61 V W68
2023-11-13 01:42:13 C 23 47 59.342 +11 33 39.13 V W68
2023-11-13 01:50:02 C 23 47 58.994 +11 33 35.68 V W68
2023-11-13 04:22:16 C 23 47 54.175 +11 32 37.07 V 703
2023-11-13 04:29:59 C 23 47 53.898 +11 32 34.30 V 703
2023-11-13 04:37:39 C 23 47 53.657 +11 32 31.85 V 703
2023-11-13 04:45:19 C 23 47 53.394 +11 32 29.26 V 703
2023-11-13 06:46:48 C 23 47 49.416 +11 31 45.73 V V00
2023-11-13 06:54:44 C 23 47 49.160 +11 31 42.85 V V00
2023-11-13 07:02:39 C 23 47 48.901 +11 31 40.08 V V00
2023-11-13 07:10:35 C 23 47 48.642 +11 31 37.34 V V00
2023-11-13 08:08:15 C 23 47 46.911 +11 31 17.94 X F51
2023-11-13 08:25:54 C 23 47 46.331 +11 31 11.64 X F51
2023-11-13 08:43:34 C 23 47 45.744 +11 31 05.36 X F51
2023-11-13 09:01:08 C 23 47 45.172 +11 30 59.11 X F51
2023-11-16 01:15:08 C 23 45 49.834 +11 08 50.86 V W68
2023-11-16 01:29:34 C 23 45 49.428 +11 08 45.78 V W68
2023-11-16 01:52:04 C 23 45 48.739 +11 08 38.04 V W68
2023-11-17 01:08:25 C 23 45 10.44 +11 00 52.3 X W84
2023-11-17 01:20:21 C 23 45 10.10 +11 00 48.4 X W84
2023-11-17 01:32:16 C 23 45 09.77 +11 00 44.4 X W84
2023-11-19 01:07:12 C 23 43 57.106 +10 45 20.02 V W68
2023-11-19 01:12:27 C 23 43 57.002 +10 45 18.47 V W68
2023-11-19 01:20:55 C 23 43 56.755 +10 45 15.73 V W68
2023-11-19 01:34:08 C 23 43 56.434 +10 45 11.84 V W68
2023-11-28 02:03:22 C 23 40 01.932 +09 43 56.32 V W68
2023-11-28 02:07:54 C 23 40 01.838 +09 43 54.66 V W68
2023-11-28 02:15:26 C 23 40 01.747 +09 43 52.54 V W68
2023-11-28 02:31:08 C 23 40 01.584 +09 43 49.19 V W68
2023-11-29 18:50:52 C 23 39 35.074 +09 34 06.35 V M22
2023-11-29 18:55:29 C 23 39 35.040 +09 34 05.20 V M22
2023-11-29 19:18:36 C 23 39 34.776 +09 33 59.69 V M22
2023-11-29 19:27:08 C 23 39 34.675 +09 33 57.74 V M22
2023-12-01 00:59:01 C 23 39 18.634 +09 27 12.20 V W68
2023-12-01 01:03:36 C 23 39 18.610 +09 27 10.76 V W68
2023-12-01 01:36:19 C 23 39 18.286 +09 27 03.46 V W68
2023-12-03 08:26:53 C 23 38 55.855 +09 15 14.44 V T05
2023-12-03 08:30:52 C 23 38 55.829 +09 15 13.68 V T05
2023-12-03 08:35:32 C 23 38 55.771 +09 15 12.31 V T05
2023-12-03 08:42:08 C 23 38 55.764 +09 15 11.12 V T05
2023-12-10 06:00:28 C 23 38 44.820 +08 46 02.64 V T05
2023-12-10 06:05:01 C 23 38 44.801 +08 46 02.21 V T05
2023-12-10 06:14:08 C 23 38 44.849 +08 46 00.84 V T05
2023-12-10 06:28:44 C 23 38 44.844 +08 45 59.04 V T05
2023-12-12 06:34:46 C 23 38 57.060 +08 39 17.35 V T08
2023-12-12 06:38:46 C 23 38 57.077 +08 39 17.06 V T08
2023-12-12 06:48:45 C 23 38 57.113 +08 39 15.62 V T08
2023-12-12 07:12:10 C 23 38 57.216 +08 39 12.31 V T08
2023-12-16 06:00:49 C 23 39 40.860 +08 28 22.26 V T08
2023-12-16 06:05:28 C 23 39 40.894 +08 28 21.50 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)