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
2023-09-24 09:41:25 C 00 51 00.991 +18 35 53.02 X F51
2023-09-24 10:29:06 C 00 50 58.291 +18 35 43.19 V T05
2023-09-24 21:57:23 C 00 50 20.33 +18 33 14.7 V D48
2023-09-24 22:16:46 C 00 50 19.23 +18 33 10.4 V D48
2023-09-24 22:36:09 C 00 50 18.15 +18 33 06.3 V D48
2023-09-25 04:27:27 C 00 49 58.630 +18 31 56.14 V W68
2023-09-25 04:56:22 C 00 49 57.007 +18 31 50.30 V W68
2023-09-25 04:58:59 C 00 49 56.803 +18 31 48.68 V W68
2023-09-25 05:20:45 C 00 49 55.601 +18 31 44.58 V W68
2023-09-25 06:05:51 C 00 49 53.238 +18 31 30.40 V 703
2023-09-25 06:13:34 C 00 49 52.766 +18 31 28.81 V 703
2023-09-25 06:21:17 C 00 49 52.338 +18 31 27.16 V 703
2023-09-25 06:29:02 C 00 49 51.877 +18 31 24.38 V 703
2023-09-26 00:28:43 C 00 48 51.40 +18 27 24.8 V D48
2023-09-26 00:48:17 C 00 48 50.29 +18 27 20.5 V D48
2023-09-26 01:07:20 C 00 48 49.19 +18 27 16.3 V D48
2023-09-26 05:26:10 C 00 48 34.601 +18 26 22.52 V W68
2023-09-26 06:10:34 C 00 48 32.095 +18 26 12.77 V W68
2023-09-26 06:51:21 C 00 48 29.743 +18 26 03.73 V W68
2023-09-26 07:27:25 C 00 48 27.641 +18 25 55.88 V W68
2023-09-26 07:55:55 C 00 48 26.450 +18 25 45.33 X F52
2023-09-26 08:11:38 C 00 48 25.547 +18 25 41.76 X F52
2023-09-26 08:27:35 C 00 48 24.630 +18 25 38.23 X F52
2023-09-26 08:43:21 C 00 48 23.725 +18 25 34.68 X F52
2023-09-27 04:32:08 C 00 47 16.361 +18 20 57.37 V 703
2023-09-27 04:39:17 C 00 47 15.990 +18 20 55.68 V 703
2023-09-27 04:46:26 C 00 47 15.580 +18 20 53.81 V 703
2023-09-27 04:53:35 C 00 47 15.205 +18 20 52.12 V 703
2023-09-27 08:23:10 C 00 47 03.203 +18 20 03.62 X F52
2023-09-27 08:36:31 C 00 47 02.426 +18 20 00.55 X F51
2023-09-27 08:39:51 C 00 47 02.234 +18 19 59.71 X F52
2023-09-27 08:53:15 C 00 47 01.450 +18 19 56.59 X F51
2023-09-27 08:56:32 C 00 47 01.264 +18 19 55.80 X F52
2023-09-27 09:09:58 C 00 47 00.481 +18 19 52.65 X F51
2023-09-27 09:13:15 C 00 47 00.291 +18 19 51.88 X F52
2023-10-02 12:25:29 C 00 39 48.297 +17 47 36.06 X F52
2023-10-02 12:35:36 C 00 39 47.681 +17 47 33.11 X F52
2023-10-02 12:45:43 C 00 39 47.067 +17 47 30.20 X F52
2023-10-02 12:55:51 C 00 39 46.454 +17 47 27.29 X F52
2023-10-03 08:34:43 C 00 38 36.136 +17 41 45.53 V 703
2023-10-03 08:42:47 C 00 38 35.621 +17 41 43.98 V 703
2023-10-03 08:50:52 C 00 38 35.174 +17 41 41.14 V 703
2023-10-03 08:58:56 C 00 38 34.692 +17 41 39.08 V 703
2023-10-04 07:20:13 C 00 37 14.351 +17 35 01.10 V 703
2023-10-04 07:28:16 C 00 37 13.825 +17 34 58.62 V 703
2023-10-04 07:36:11 C 00 37 13.350 +17 34 55.99 V 703
2023-10-04 07:43:57 C 00 37 12.868 +17 34 54.12 V 703
2023-10-04 07:53:48 C 00 37 12.537 +17 34 51.80 X F52
2023-10-04 08:01:48 C 00 37 12.047 +17 34 49.41 X F51
2023-10-04 08:10:32 C 00 37 11.512 +17 34 46.80 X F52
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)