613676 (2006 WE4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1830153781 ± 1.67e-07
Semi-major axis (a)0.7847217405 AU ± 2.81e-09
Inclination (i)24.76686554° ± 3.57e-05
Long. of Asc. Node (Ω)310.99107597° ± 3.71e-05
Arg. of Perihelion (ω)318.63089402° ± 6.06e-05
Mean Anomaly (M)315.96146469° ± 1.01e-04
Mean Motion (n)1.4178776246°/day ± 7.62e-09
Perihelion dist (q)0.64110559 AU ± 1.31e-07
Aphelion dist (Q)0.92833789 AU ± 1.31e-07
Orbital Period0.69514200 yr ± 3.73e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.306″
Uncertainty0
Orbit TypeAtira
MOID0.101133 AU
Observations Used66
Radar Obs Used1
Oppositions5
Arc Total2006-2018
First Observation Used2006-11-21
Last Observation Used2025-01-12
Observations (72)
Date Type RA Dec Mag Band Observatory
2020-02-19 19:51:50 C 01 56 13.64 +22 49 53.7 V 204
2020-03-05 03:22:07 C 02 56 52.06 +16 32 16.2 V G96
2020-03-05 03:31:39 C 02 56 53.56 +16 32 03.9 V G96
2020-03-05 03:38:06 C 02 56 54.60 +16 31 55.4 V G96
2020-03-05 03:44:31 C 02 56 55.57 +16 31 47.1 V G96
2020-07-25 11:20:22 C 05 07 20.20 +39 11 35.8 U I41
2020-07-25 11:27:37 C 05 07 21.60 +39 11 41.4 U I41
2020-07-25 11:34:54 C 05 07 23.01 +39 11 46.4 U I41
2020-07-25 11:42:12 C 05 07 24.45 +39 11 51.9 U I41
2022-04-05 03:05:41 C 04 20 36.822 +21 38 40.22 V G83
2022-04-05 03:07:55 C 04 20 37.175 +21 38 39.02 V G83
2022-04-05 03:10:10 C 04 20 37.542 +21 38 37.51 V G83
2022-04-05 03:12:22 C 04 20 37.903 +21 38 36.09 V G83
2022-04-05 03:14:33 C 04 20 38.258 +21 38 34.70 V G83
2022-04-05 03:16:43 C 04 20 38.610 +21 38 33.31 V G83
2025-01-11 13:18:22 C 15 13 18.433 -12 20 58.70 V G96
2025-01-11 13:21:04 C 15 13 18.840 -12 21 11.30 V G96
2025-01-11 13:23:47 C 15 13 19.283 -12 21 22.90 V G96
2025-01-12 13:25:39 C 15 17 29.850 -14 08 39.80 V G96
2025-01-12 13:27:21 C 15 17 30.131 -14 08 47.47 V G96
2025-01-12 13:29:04 C 15 17 30.476 -14 08 55.61 V G96
2025-01-12 13:30:46 C 15 17 30.714 -14 09 03.17 V G96
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-01-23 17:36:00 112715993.67 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)