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
2015-09-20 23:20:50 C 23 22 30.21 +06 06 52.7 c A24
2015-09-21 22:16:59 C 23 21 22.20 +05 59 55.4 q 160
2015-09-21 22:19:58 C 23 21 22.07 +05 59 54.6 q 160
2015-09-21 22:22:56 C 23 21 21.92 +05 59 53.8 q 160
2015-09-23 07:55:55 C 23 19 43.11 +05 49 40.9 q 703
2015-09-23 08:04:21 C 23 19 42.63 +05 49 38.3 q 703
2015-09-23 08:06:31 C 23 19 42.724 +05 49 38.58 L F51
2015-09-23 08:12:46 C 23 19 42.14 +05 49 35.7 q 703
2015-09-23 08:21:13 C 23 19 41.79 +05 49 32.7 q 703
2015-09-23 08:21:27 C 23 19 41.980 +05 49 34.01 L F51
2015-09-23 08:36:29 C 23 19 41.229 +05 49 29.41 L F51
2015-09-23 08:51:33 C 23 19 40.479 +05 49 24.81 L F51
2015-09-24 03:00:38 C 23 18 47.58 +05 43 50.1 q G96
2015-09-24 03:09:39 C 23 18 47.14 +05 43 47.4 q G96
2015-09-24 03:18:40 C 23 18 46.69 +05 43 44.2 q G96
2015-09-24 03:27:41 C 23 18 46.27 +05 43 41.7 q G96
2015-09-24 04:32:07 C 23 18 43.04 +05 43 22.5 q 703
2015-09-24 04:39:41 C 23 18 42.70 +05 43 19.8 q 703
2015-09-24 04:47:12 C 23 18 42.33 +05 43 17.6 q 703
2015-10-01 07:09:14 C 23 10 42.91 +04 50 36.4 q 703
2015-10-01 07:15:43 C 23 10 42.65 +04 50 34.6 q 703
2015-10-01 07:22:13 C 23 10 42.34 +04 50 32.5 q 703
2015-10-01 07:28:43 C 23 10 42.06 +04 50 30.6 q 703
2015-10-01 09:30:10 C 23 10 36.49 +04 49 51.8 u H15
2015-10-01 09:45:20 C 23 10 35.84 +04 49 47.6 u H15
2015-10-01 09:59:14 C 23 10 35.23 +04 49 43.5 u H15
2015-10-01 14:52:05 C 23 10 22.21 +04 48 13.2 q D29
2015-10-01 15:17:29 C 23 10 21.07 +04 48 05.2 q D29
2015-10-01 15:42:52 C 23 10 19.89 +04 47 57.4 q D29
2015-10-02 04:20:53 C 23 09 46.22 +04 44 03.2 R G45
2015-10-02 04:28:28 C 23 09 45.85 +04 44 01.1 R G45
2015-10-02 04:39:31 C 23 09 45.37 +04 43 57.9 R G45
2015-10-02 04:44:31 C 23 09 45.15 +04 43 55.9 R G45
2015-10-02 04:49:51 C 23 09 44.89 +04 43 54.6 R G45
2015-10-02 05:05:16 C 23 09 44.20 +04 43 49.7 R G45
2015-10-02 05:20:56 C 23 09 43.48 +04 43 44.8 R G45
2015-10-08 09:19:15 C 23 03 28.152 +03 58 43.06 L F51
2015-10-08 09:37:33 C 23 03 27.399 +03 58 37.59 L F51
2015-10-08 09:55:49 C 23 03 26.655 +03 58 32.08 L F51
2015-10-10 04:39:37 C 23 01 46.24 +03 45 51.7 o 691
2015-10-10 05:03:23 C 23 01 45.25 +03 45 45.1 o 691
2015-10-10 05:42:48 C 23 01 43.75 +03 45 33.3 o 691
2015-10-11 04:19:38 C 23 00 52.22 +03 38 55.8 R G45
2015-10-11 04:27:41 C 23 00 51.92 +03 38 53.6 R G45
2015-10-11 04:34:17 C 23 00 51.66 +03 38 51.9 R G45
2015-10-11 04:44:49 C 23 00 51.25 +03 38 48.8 R G45
2015-10-11 04:51:22 C 23 00 50.98 +03 38 46.7 R G45
2015-10-14 05:25:21 C 22 58 13.04 +03 17 59.6 q 703
2015-10-14 05:34:07 C 22 58 12.76 +03 17 57.4 q 703
2015-10-14 05:42:57 C 22 58 12.40 +03 17 54.8 q 703
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)