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
2022-10-30 06:45:15 C 21 45 21.888 -06 56 50.53 V T08
2022-10-30 06:58:38 C 21 45 21.847 -06 56 51.25 V T08
2022-10-31 17:04:18 C 21 45 26.49 -06 58 31.0 q C97
2022-10-31 17:32:33 C 21 45 26.57 -06 58 32.2 q C97
2022-10-31 18:01:08 C 21 45 26.60 -06 58 33.5 q C97
2022-11-01 07:33:46 C 21 45 29.304 -06 59 08.77 V T05
2022-11-01 07:38:19 C 21 45 29.321 -06 59 08.70 V T05
2022-11-01 07:50:14 C 21 45 29.316 -06 59 09.78 V T05
2022-11-01 08:05:54 C 21 45 29.410 -06 59 09.56 V T05
2022-11-17 05:33:25 C 21 49 26.786 -07 00 00.79 V T05
2022-11-17 05:55:08 C 21 49 27.113 -07 00 00.07 V T05
2022-11-17 05:59:41 C 21 49 27.151 -06 59 59.93 V T05
2022-11-17 06:09:41 C 21 49 27.353 -06 59 58.92 V T05
2022-11-21 02:23:29 C 21 51 06.689 -06 55 57.68 V G96
2022-11-21 02:31:40 C 21 51 06.851 -06 55 57.47 V G96
2022-11-21 02:39:49 C 21 51 07.009 -06 55 57.00 V G96
2022-11-21 02:47:58 C 21 51 07.150 -06 55 56.71 V G96
2023-07-06 10:14:50 C 01 17 27.326 +16 12 14.18 V G96
2023-07-06 10:23:54 C 01 17 27.521 +16 12 16.52 V G96
2023-07-06 10:32:59 C 01 17 27.704 +16 12 18.76 V G96
2023-07-06 10:42:04 C 01 17 27.899 +16 12 21.02 V G96
2023-07-29 13:10:01 C 01 24 58.575 +18 09 40.10 X F52
2023-07-29 13:28:25 C 01 24 58.651 +18 09 43.40 X F52
2023-07-29 13:46:51 C 01 24 58.727 +18 09 46.72 X F52
2023-08-13 01:54:28 C 01 24 23.294 +19 02 21.01 V M22
2023-08-13 01:57:04 C 01 24 23.345 +19 02 22.74 V M22
2023-08-13 02:01:04 C 01 24 23.232 +19 02 21.91 V M22
2023-08-13 02:44:00 C 01 24 22.800 +19 02 26.66 V M22
2023-08-15 12:45:47 C 01 23 47.506 +19 08 57.62 V T05
2023-08-15 12:49:42 C 01 23 47.491 +19 08 57.88 V T05
2023-08-15 12:53:48 C 01 23 47.378 +19 08 58.45 V T05
2023-08-15 13:10:06 C 01 23 47.146 +19 09 00.04 V T05
2023-08-19 12:30:38 C 01 22 28.975 +19 18 09.50 V T05
2023-08-19 12:33:15 C 01 22 28.778 +19 18 10.66 V T05
2023-08-19 12:38:27 C 01 22 28.786 +19 18 10.58 V T05
2023-08-19 13:15:06 C 01 22 28.190 +19 18 14.69 V T05
2023-08-21 12:09:54 C 01 21 40.248 +19 21 56.74 V T05
2023-08-21 12:12:30 C 01 21 40.205 +19 21 56.59 V T05
2023-08-21 12:17:04 C 01 21 40.085 +19 21 57.10 V T05
2023-08-21 12:25:45 C 01 21 39.948 +19 21 58.32 V T05
2023-08-22 11:48:17 C 01 21 13.683 +19 23 36.07 X F52
2023-08-22 12:06:49 C 01 21 13.308 +19 23 37.35 X F52
2023-08-22 12:25:22 C 01 21 12.931 +19 23 38.65 X F52
2023-08-22 12:44:03 C 01 21 12.549 +19 23 39.91 X F52
2023-08-23 12:04:43 C 01 20 44.686 +19 25 09.01 V T05
2023-08-23 12:07:19 C 01 20 44.666 +19 25 10.16 V T05
2023-08-23 12:11:53 C 01 20 44.508 +19 25 09.88 V T05
2023-08-23 12:19:44 C 01 20 44.402 +19 25 10.42 V T05
2023-08-27 10:54:49 C 01 18 35.152 +19 29 43.11 X F52
2023-08-27 11:08:38 C 01 18 34.788 +19 29 43.51 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)