2021 WY3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6103465671 ± 3.99e-08
Semi-major axis (a)1.3783559135 AU ± 1.79e-08
Inclination (i)7.08860854° ± 3.86e-06
Long. of Asc. Node (Ω)34.63771825° ± 3.20e-05
Arg. of Perihelion (ω)164.16704535° ± 3.30e-05
Mean Anomaly (M)115.34192283° ± 1.49e-05
Mean Motion (n)0.6090742168°/day ± 1.19e-08
Perihelion dist (q)0.53708111 AU ± 5.54e-08
Aphelion dist (Q)2.21963071 AU ± 6.21e-08
Orbital Period1.61823675 yr ± 3.16e-08
Physical Parameters
H (abs. magnitude)21.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.188″
Uncertainty0
Orbit TypeApollo
MOID0.108068 AU
Observations Used116
Oppositions2
Arc Total2019-2025
First Observation Used2019-10-29
Last Observation Used2025-08-26
Observations (122)
Date Type RA Dec Mag Band Observatory
2022-09-27 10:12:06 C 00 30 18.839 -04 03 33.94 V F51
2022-09-27 10:27:45 C 00 30 17.587 -04 03 40.06 V F51
2024-12-02 07:19:23 C 01 23 45.295 +11 26 17.85 V T12
2024-12-02 08:01:34 C 01 23 42.951 +11 26 08.75 V T12
2024-12-06 08:05:19 C 01 19 01.041 +11 07 26.72 V T12
2024-12-06 09:40:54 C 01 18 56.614 +11 07 09.77 V T12
2025-07-22 03:35:35 C 01 17 14.107 -19 19 37.00 V J04
2025-07-22 03:47:05 C 01 17 12.000 -19 19 52.57 V J04
2025-07-26 12:59:41 C 00 57 55.642 -21 35 47.22 X F52
2025-07-26 13:13:28 C 00 57 52.953 -21 36 04.78 X F52
2025-07-26 13:15:17 C 00 57 52.611 -21 36 06.87 X F52
2025-07-26 13:29:01 C 00 57 49.904 -21 36 24.25 X F52
2025-07-26 13:30:52 C 00 57 49.567 -21 36 26.55 X F52
2025-07-26 13:44:34 C 00 57 46.907 -21 36 43.69 X F52
2025-07-26 13:46:23 C 00 57 46.538 -21 36 46.16 X F52
2025-08-01 13:42:13 C 00 29 52.712 -24 23 00.08 X F51
2025-08-01 13:57:07 C 00 29 49.639 -24 23 15.99 X F51
2025-08-01 14:12:02 C 00 29 46.583 -24 23 31.60 X F51
2025-08-26 09:32:27 C 22 39 41.686 -29 18 09.22 X F51
2025-08-26 09:47:29 C 22 39 39.421 -29 18 09.00 X F51
2025-08-26 10:02:29 C 22 39 37.157 -29 18 08.67 X F51
2025-08-26 10:17:30 C 22 39 34.914 -29 18 08.38 X F51