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
2021-11-23 15:30:21 C 12 59 51.58 +14 19 39.7 V T08
2021-11-23 15:42:52 C 12 59 57.08 +14 18 28.9 V T08
2021-11-25 15:06:49 C 13 19 58.98 +09 54 27.3 V T05
2021-11-25 15:20:05 C 13 20 04.25 +09 53 15.2 V T05
2021-11-25 15:21:24 C 13 20 04.80 +09 53 08.3 V T05
2021-11-25 15:41:24 C 13 20 12.77 +09 51 20.3 V T05
2021-11-25 15:45:57 C 13 20 14.58 +09 50 55.5 V T05
2021-11-25 15:48:37 C 13 20 15.65 +09 50 40.9 V T05
2022-04-14 09:20:27 C 22 42 28.942 -07 25 32.84 V W68
2022-04-14 09:27:00 C 22 42 29.333 -07 25 30.11 V W68
2022-04-14 09:32:13 C 22 42 29.633 -07 25 27.88 V W68
2022-04-14 09:46:05 C 22 42 30.442 -07 25 21.25 V W68
2022-05-06 19:09:13 C 23 09 51.91 -03 42 08.0 V Q62
2022-05-06 19:16:22 C 23 09 52.21 -03 42 05.6 V Q62
2022-05-27 10:47:49 C 23 27 05.908 -00 57 59.11 V G96
2022-05-27 10:54:01 C 23 27 06.070 -00 57 57.38 V G96
2022-05-27 11:00:14 C 23 27 06.221 -00 57 55.51 V G96
2022-05-27 11:06:29 C 23 27 06.390 -00 57 53.78 V G96
2022-06-11 13:57:57 C 23 34 11.577 +00 32 23.83 U F52
2022-06-11 14:05:12 C 23 34 11.658 +00 32 25.35 U F52
2022-06-11 14:12:30 C 23 34 11.744 +00 32 26.85 U F52
2022-06-11 14:19:49 C 23 34 11.825 +00 32 28.40 U F52
2022-07-05 16:43:58 C 23 33 38.153 +01 50 18.56 V P07
2022-07-05 17:47:18 C 23 33 37.181 +01 50 22.34 V P07
2022-07-05 19:58:56 C 23 33 35.006 +01 50 28.97 V P07
2022-07-05 19:59:40 C 23 33 34.992 +01 50 29.26 V P07
2022-07-05 20:48:21 C 23 33 34.152 +01 50 31.56 V P07
2022-07-05 21:50:28 C 23 33 33.139 +01 50 34.94 V P07
2022-07-05 21:51:38 C 23 33 33.115 +01 50 34.30 V P07
2022-07-10 09:47:09 C 23 31 33.85 +01 54 02.7 X H06
2022-07-10 10:06:06 C 23 31 33.41 +01 54 03.0 X H06
2022-07-10 10:25:02 C 23 31 32.99 +01 54 03.3 X H06
2022-07-11 02:10:20 C 23 31 12.42 +01 54 19.2 X 221
2022-07-11 02:27:17 C 23 31 12.02 +01 54 19.8 X 221
2022-07-11 02:43:03 C 23 31 11.66 +01 54 19.8 X 221
2022-07-11 02:51:56 C 23 31 11.44 +01 54 19.4 X 221
2022-07-11 03:00:32 C 23 31 11.24 +01 54 19.4 X 221
2022-07-11 03:09:45 C 23 31 11.01 +01 54 19.6 X 221
2022-07-12 01:20:40 C 23 30 40.77 +01 54 22.7 X K19
2022-07-12 01:26:55 C 23 30 40.61 +01 54 22.9 X K19
2022-07-12 01:33:10 C 23 30 40.47 +01 54 22.5 X K19
2022-07-21 02:08:54 C 23 24 20.482 +01 47 02.36 V M22
2022-07-21 02:12:51 C 23 24 20.321 +01 47 02.18 V M22
2022-07-21 02:56:55 C 23 24 18.715 +01 46 58.76 V M22
2022-07-21 03:04:45 C 23 24 18.430 +01 46 58.08 V M22
2022-07-23 08:30:18 C 23 22 21.593 +01 42 37.15 V W68
2022-07-23 09:04:13 C 23 22 20.258 +01 42 34.13 V W68
2022-07-23 09:09:50 C 23 22 20.040 +01 42 33.66 V W68
2022-07-23 09:17:34 C 23 22 19.733 +01 42 32.90 V W68
2022-07-24 17:52:22 C 23 21 04.21 +01 39 18.2 V 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)