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
2006-10-01 22:19:43 C 03 22 14.40 +34 37 13.0 o 493
2006-10-01 22:53:49 C 03 22 13.73 +34 37 27.4 o 493
2006-10-01 23:15:24 C 03 22 13.30 +34 37 36.2 o 493
2006-10-01 23:31:33 C 03 22 12.96 +34 37 43.3 o 493
2006-10-02 07:09:22 C 03 22 04.14 +34 40 50.9 17.9 c 704
2006-10-02 07:28:07 C 03 22 03.73 +34 40 56.5 17.6 c 704
2006-10-02 07:46:56 C 03 22 03.35 +34 41 04.7 17.5 c 704
2006-10-02 08:06:10 C 03 22 02.92 +34 41 12.5 17.6 c 704
2006-10-02 08:25:03 C 03 22 02.50 +34 41 20.7 17.6 c 704
2006-10-02 09:59:13 C 03 22 00.37 +34 41 58.6 r 703
2006-10-02 10:06:21 C 03 22 00.19 +34 42 01.6 r 703
2006-10-02 10:13:26 C 03 22 00.04 +34 42 04.4 r 703
2006-10-02 10:20:32 C 03 21 59.90 +34 42 07.3 r 703
2006-10-05 21:15:26 C 03 19 58.56 +35 15 43.6 o 473
2006-10-05 21:16:20 C 03 19 58.50 +35 15 44.0 o 473
2006-10-05 21:17:34 C 03 19 58.43 +35 15 44.5 o 473
2006-10-07 01:00:03 C 03 19 06.99 +35 26 58.9 16.7 r 084
2006-10-07 01:05:14 C 03 19 06.82 +35 27 01.1 16.8 r 084
2006-10-11 20:25:46 C 03 14 32.66 +36 13 25.2 15.9 r 084
2006-10-11 20:30:56 C 03 14 32.41 +36 13 27.3 15.9 r 084
2006-10-12 20:39:43 C 03 13 21.19 +36 23 00.8 15.9 r 084
2006-10-12 20:44:54 C 03 13 20.88 +36 23 03.1 15.9 r 084
2006-10-17 07:28:37 C 03 07 01.99 +37 04 07.4 16.2 c 704
2006-10-17 07:45:08 C 03 07 00.81 +37 04 13.9 16.4 c 704
2006-10-17 08:01:58 C 03 06 59.62 +37 04 20.0 16.4 c 704
2006-10-17 08:18:29 C 03 06 58.57 +37 04 25.5 17.4 c 704
2006-10-17 08:34:41 C 03 06 57.20 +37 04 32.5 18.3 c 704
2006-10-18 18:40:29 C 03 04 32.75 +37 16 53.0 15.8 r 084
2006-10-18 18:45:40 C 03 04 32.42 +37 16 54.5 15.8 r 084
2006-10-23 08:51:37 C 02 55 17.43 +37 54 01.7 r 703
2006-10-23 09:04:08 C 02 55 16.21 +37 54 05.5 r 703
2006-10-23 09:16:35 C 02 55 14.98 +37 54 09.2 r 703
2006-10-23 09:28:55 C 02 55 13.80 +37 54 12.9 r 703
2006-10-30 03:47:43 C 02 37 10.96 +38 34 06.7 14.8 r 084
2006-10-30 03:52:53 C 02 37 10.30 +38 34 07.5 14.9 r 084
2006-11-08 11:52:09 C 02 02 58.53 +38 37 40.5 r 379
2006-11-08 11:55:39 C 02 02 57.86 +38 37 40.1 r 379
2006-11-08 11:59:09 C 02 02 57.29 +38 37 39.5 r 379
2006-11-08 12:17:28 C 02 02 53.95 +38 37 36.6 r 379
2006-11-08 12:19:12 C 02 02 53.64 +38 37 36.2 r 379
2006-11-08 12:20:57 C 02 02 53.32 +38 37 35.9 r 379
2006-11-08 12:24:27 C 02 02 52.69 +38 37 35.2 r 379
2006-11-08 12:26:13 C 02 02 52.39 +38 37 34.8 r 379
2006-11-08 18:09:44 C 02 01 51.91 +38 36 24.8 r 240
2006-11-08 18:11:09 C 02 01 51.65 +38 36 24.6 r 240
2006-11-08 18:13:58 C 02 01 51.14 +38 36 24.1 r 240
2006-11-08 18:15:23 C 02 01 50.88 +38 36 23.9 r 240
2006-11-08 18:16:48 C 02 01 50.64 +38 36 23.7 r 240
2006-11-08 18:21:01 C 02 01 49.87 +38 36 23.0 r 240
2006-11-08 18:22:26 C 02 01 49.63 +38 36 22.8 r 240
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)