2021 YW

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7309263758 ± 2.00e+00
Semi-major axis (a)1.2423333185 AU ± 3.00e+00
Inclination (i)6.55879815° ± 4.00e+00
Long. of Asc. Node (Ω)92.34571012° ± 5.00e+00
Arg. of Perihelion (ω)234.44800157° ± 6.00e+00
Mean Anomaly (M)330.71090981° ± 3.75e-01
Mean Motion (n)0.7117234200°/day ± 2.58e+00
Perihelion dist (q)0.33425800 AU ± 2.61e+00
Aphelion dist (Q)2.15054440 AU ± 5.76e+00
Orbital Period1.38481830 yr ± 5.02e+00
Physical Parameters
H (abs. magnitude)25.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.155″
Uncertainty3
Orbit TypeApollo
MOID0.002379 AU
Observations Used28
Oppositions1
Arc Total2021-2022
First Observation Used
Last Observation Used2022-01-08
Observations (29)
Date Type RA Dec Mag Band Observatory
2021-12-27 04:59:37 C 05 12 57.48 +26 54 20.8 V G96
2021-12-27 05:07:05 C 05 12 55.31 +26 54 28.0 V G96
2021-12-27 05:14:36 C 05 12 53.26 +26 54 35.8 V G96
2021-12-27 05:22:05 C 05 12 51.09 +26 54 42.2 V G96
2021-12-27 05:43:31 C 05 12 45.03 +26 55 02.1 V I52
2021-12-27 05:44:22 C 05 12 44.79 +26 55 02.6 V I52
2021-12-27 05:45:13 C 05 12 44.55 +26 55 03.5 V I52
2021-12-27 05:46:04 C 05 12 44.31 +26 55 04.2 V I52
2021-12-27 06:21:59 C 05 12 34.27 +26 55 35.9 V I52
2021-12-27 06:22:50 C 05 12 34.02 +26 55 36.7 V I52
2021-12-27 06:23:41 C 05 12 33.77 +26 55 37.2 V I52
2021-12-27 06:24:33 C 05 12 33.56 +26 55 38.0 V I52
2021-12-27 07:18:03 C 05 12 18.82 +26 56 21.6 V I52
2021-12-27 07:18:54 C 05 12 18.59 +26 56 22.5 V I52
2021-12-27 07:19:45 C 05 12 18.35 +26 56 23.0 V I52
2021-12-27 07:20:37 C 05 12 18.13 +26 56 23.6 V I52
2021-12-27 19:59:45 C 05 09 43.17 +27 05 13.8 V 033
2021-12-27 20:00:40 C 05 09 42.98 +27 05 14.5 V 033
2021-12-27 20:01:34 C 05 09 42.77 +27 05 15.2 V 033
2021-12-27 20:02:33 C 05 09 42.56 +27 05 16.0 V 033
2022-01-01 20:35:52 C 04 58 47.64 +27 42 57.3 V 033
2022-01-01 20:41:02 C 04 58 47.42 +27 42 57.9 V 033
2022-01-01 20:46:11 C 04 58 47.09 +27 42 59.2 V 033
2022-01-06 03:03:26 C 04 56 34.17 +27 52 36.9 o 291
2022-01-06 04:18:15 C 04 56 32.74 +27 52 42.4 o 291
2022-01-07 07:47:14 C 04 56 20.052 +27 54 06.23 V G37
2022-01-07 07:51:32 C 04 56 20.001 +27 54 06.26 V G37
2022-01-08 07:40:21 C 04 56 18.714 +27 55 22.31 V T12
2022-01-08 07:56:46 C 04 56 18.521 +27 55 23.02 V T12