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
2022-09-28 08:08:23 C 21 57 41.513 -05 07 03.40 V T08
2022-09-28 08:13:02 C 21 57 41.328 -05 07 04.58 V T08
2022-09-28 08:21:02 C 21 57 41.038 -05 07 06.82 V T08
2022-09-28 08:36:20 C 21 57 40.488 -05 07 10.16 V T08
2022-09-29 02:36:23 C 21 57 03.014 -05 11 17.84 V W68
2022-09-29 02:40:55 C 21 57 02.849 -05 11 18.74 V W68
2022-09-29 02:48:42 C 21 57 02.590 -05 11 20.69 V W68
2022-09-29 03:03:10 C 21 57 02.050 -05 11 23.82 V W68
2022-09-29 13:35:30 C 21 56 40.65 -05 13 53.5 V D29
2022-09-29 13:55:52 C 21 56 39.94 -05 13 58.2 V D29
2022-09-29 14:16:14 C 21 56 39.24 -05 14 02.9 V D29
2022-09-30 08:19:35 C 21 56 03.299 -05 18 06.77 U F51
2022-09-30 08:38:54 C 21 56 02.642 -05 18 11.10 U F51
2022-09-30 08:58:09 C 21 56 01.992 -05 18 15.41 U F51
2022-09-30 20:12:55 C 21 55 40.222 -05 20 41.42 V M22
2022-10-02 03:15:24 C 21 54 42.066 -05 27 29.38 V 703
2022-10-02 03:21:57 C 21 54 41.846 -05 27 31.72 V 703
2022-10-02 03:28:31 C 21 54 41.634 -05 27 33.52 V 703
2022-10-02 03:35:06 C 21 54 41.425 -05 27 34.49 V 703
2022-10-02 07:49:42 C 21 54 33.588 -05 28 28.88 V T08
2022-10-02 07:55:14 C 21 54 33.413 -05 28 29.78 V T08
2022-10-02 08:03:13 C 21 54 33.154 -05 28 31.30 V T08
2022-10-02 08:17:29 C 21 54 32.700 -05 28 34.79 V T08
2022-10-02 11:45:20 C 21 54 26.609 -05 29 15.90 V P07
2022-10-02 11:50:49 C 21 54 26.419 -05 29 16.76 V P07
2022-10-02 12:52:56 C 21 54 24.538 -05 29 30.66 V P07
2022-10-02 14:03:24 C 21 54 22.349 -05 29 45.20 V P07
2022-10-03 01:00:38 C 21 54 02.94 -05 32 07.6 V W24
2022-10-03 01:20:43 C 21 54 02.36 -05 32 11.2 V W24
2022-10-03 01:40:47 C 21 54 01.75 -05 32 15.1 V W24
2022-10-03 02:37:37 C 21 53 59.942 -05 32 21.73 V W68
2022-10-03 02:42:09 C 21 53 59.815 -05 32 22.92 V W68
2022-10-03 02:51:16 C 21 53 59.558 -05 32 25.08 V W68
2022-10-03 03:09:41 C 21 53 59.004 -05 32 28.82 V W68
2022-10-04 19:34:14 C 21 52 50.72 -05 40 47.0 X K19
2022-10-04 19:40:35 C 21 52 50.55 -05 40 47.4 X K19
2022-10-04 19:46:55 C 21 52 50.44 -05 40 48.2 X K19
2022-10-11 12:20:57 C 21 49 08.19 -06 09 29.3 V D29
2022-10-11 12:33:19 C 21 49 07.95 -06 09 31.5 V D29
2022-10-11 12:45:41 C 21 49 07.74 -06 09 33.4 V D29
2022-10-12 13:43:18 C 21 48 40.14 -06 13 26.9 V D29
2022-10-12 14:13:22 C 21 48 39.57 -06 13 31.2 V D29
2022-10-14 05:46:35 C 21 47 59.987 -06 19 22.02 U F52
2022-10-14 06:05:04 C 21 47 59.676 -06 19 24.66 U F52
2022-10-14 06:23:28 C 21 47 59.368 -06 19 27.33 U F52
2022-10-14 06:41:48 C 21 47 59.059 -06 19 29.93 U F52
2022-10-14 13:26:42 C 21 47 52.72 -06 20 28.5 V D29
2022-10-14 13:51:02 C 21 47 52.29 -06 20 31.7 V D29
2022-10-14 14:15:22 C 21 47 51.87 -06 20 35.4 V D29
2022-10-15 01:46:57 C 21 47 41.498 -06 22 07.50 V W68
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)