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
2013-10-01 09:13:58 C 00 26 05.06 +15 51 44.7 q 703
2013-10-01 09:20:59 C 00 26 04.66 +15 51 42.8 q 703
2013-10-02 04:14:00 C 00 24 59.98 +15 45 58.1 N I41
2013-10-02 05:08:47 C 00 24 56.78 +15 45 41.5 N I41
2013-10-02 05:56:40 C 00 24 53.98 +15 45 26.9 N I41
2013-10-07 03:55:11 C 00 18 06.53 +15 07 18.8 q H15
2013-10-07 04:08:28 C 00 18 05.75 +15 07 14.3 q H15
2013-10-07 04:21:36 C 00 18 04.98 +15 07 10.0 q H15
2013-10-07 04:34:50 C 00 18 04.25 +15 07 05.2 q H15
2013-10-12 04:42:35 C 00 11 14.01 +14 24 54.2 V G45
2013-10-12 05:48:02 C 00 11 10.27 +14 24 30.4 V G45
2013-10-12 08:28:57 C 00 11 01.07 +14 23 31.9 V G45
2013-10-12 09:52:43 C 00 10 56.32 +14 23 01.3 V G45
2013-10-14 04:23:57 C 00 08 34.61 +14 07 27.0 q 703
2013-10-14 04:35:04 C 00 08 33.99 +14 07 22.8 q 703
2013-10-14 04:46:18 C 00 08 33.35 +14 07 18.7 q 703
2013-10-14 04:57:25 C 00 08 32.70 +14 07 14.6 q 703
2013-10-22 03:50:47 C 23 58 26.98 +12 55 01.0 u H21
2013-10-22 03:55:59 C 23 58 26.71 +12 54 59.1 u H21
2013-10-22 03:59:46 C 23 58 26.52 +12 54 57.7 u H21
2013-10-22 04:04:58 C 23 58 26.25 +12 54 55.6 u H21
2013-10-22 04:10:11 C 23 58 25.98 +12 54 53.7 u H21
2013-10-22 04:14:52 C 23 58 25.74 +12 54 51.8 u H21
2013-10-22 06:53:28 C 23 58 17.67 +12 53 51.3 q 703
2013-10-22 07:03:34 C 23 58 17.26 +12 53 47.1 q 703
2013-10-22 07:13:39 C 23 58 16.72 +12 53 44.0 q 703
2013-10-22 07:23:47 C 23 58 16.18 +12 53 40.3 q 703
2013-10-23 05:54:41 C 23 57 09.543 +12 45 03.17 L F51
2013-10-23 05:56:41 C 23 57 09.445 +12 45 02.44 L F51
2013-10-23 06:12:04 C 23 57 08.667 +12 44 56.57 L F51
2013-10-23 06:14:04 C 23 57 08.571 +12 44 55.84 L F51
2013-10-25 09:59:52 C 23 54 38.558 +12 25 07.59 L F51
2013-10-25 10:16:02 C 23 54 37.778 +12 25 01.36 L F51
2013-10-25 12:49:57 C 23 54 30.70 +12 24 01.8 q D29
2013-10-25 13:18:35 C 23 54 29.34 +12 23 51.1 q D29
2013-10-25 13:47:13 C 23 54 27.95 +12 23 40.1 q D29
2013-11-04 04:06:40 C 23 44 44.98 +10 58 09.2 q 703
2013-11-04 04:18:21 C 23 44 44.56 +10 58 04.7 q 703
2013-11-04 04:29:59 C 23 44 44.11 +10 58 00.1 q 703
2013-11-04 04:41:38 C 23 44 43.62 +10 57 56.7 q 703
2013-11-19 01:12:30 C 23 34 49.43 +09 05 24.7 u H21
2013-11-19 01:16:28 C 23 34 49.34 +09 05 23.3 u H21
2013-11-19 01:20:37 C 23 34 49.26 +09 05 22.4 u H21
2013-11-19 01:24:34 C 23 34 49.18 +09 05 21.4 u H21
2013-11-20 10:12:16 C 23 34 14.47 +08 56 42.1 q D29
2013-11-20 10:39:28 C 23 34 13.97 +08 56 35.8 q D29
2013-11-20 11:06:40 C 23 34 13.46 +08 56 27.8 q D29
2013-11-25 10:09:42 C 23 32 35.33 +08 27 50.1 q D29
2013-11-25 10:34:02 C 23 32 35.03 +08 27 44.6 q D29
2013-11-25 10:58:22 C 23 32 34.76 +08 27 38.7 q D29
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)