2021 YA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5018347000
Semi-major axis (a)1.7109365000 AU
Inclination (i)1.56550000°
Long. of Asc. Node (Ω)26.63946000°
Arg. of Perihelion (ω)359.20349000°
Mean Anomaly (M)291.37921000°
Mean Motion (n)0.4404060000°/day
Perihelion dist (q)0.85232920 AU
Aphelion dist (Q)2.56954380 AU
Orbital Period2.23795240 yr
Physical Parameters
H (abs. magnitude)24.18
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.490″
Uncertainty7
Orbit TypeApollo
MOID0.021375 AU
Observations Used73
Oppositions1
Arc Total
First Observation Used
Last Observation Used2022-01-02
Observations (73)
Date Type RA Dec Mag Band Observatory
2021-12-17 06:56:04 C 06 48 23.55 +54 36 10.3 u H21
2021-12-17 06:59:05 C 06 48 31.34 +54 34 50.7 X U55
2021-12-17 07:11:26 C 06 48 29.81 +54 32 52.5 X U55
2021-12-18 22:38:25 C 06 46 21.09 +49 14 37.1 X C95
2021-12-18 23:02:11 C 06 46 18.95 +49 12 03.4 X C95
2021-12-18 23:25:32 C 06 46 16.94 +49 09 31.8 X C95
2021-12-19 23:10:14 C 06 45 25.46 +46 47 47.9 X C95
2021-12-20 00:25:10 C 06 45 19.99 +46 41 09.9 X C95
2021-12-21 07:24:17 C 06 44 29.39 +44 14 47.8 V I52
2021-12-21 07:24:39 C 06 44 29.40 +44 14 46.0 V I52
2021-12-21 07:27:04 C 06 44 29.34 +44 14 37.4 V I52
2021-12-21 07:29:28 C 06 44 29.11 +44 14 27.1 V I52
2021-12-25 18:58:09 C 06 42 29.06 +38 48 21.6 V 033
2021-12-25 18:58:54 C 06 42 29.06 +38 48 20.8 V 033
2021-12-26 04:07:47 C 06 42 12.30 +38 28 52.7 V 033
2021-12-26 04:08:32 C 06 42 12.29 +38 28 51.4 V 033
2021-12-26 04:09:16 C 06 42 12.27 +38 28 49.6 V 033
2022-01-01 21:28:23 C 06 40 31.44 +34 27 39.7 V 033
2022-01-01 21:30:28 C 06 40 31.39 +34 27 37.7 V 033
2022-01-01 21:32:32 C 06 40 31.37 +34 27 35.4 V 033
2022-01-01 21:34:40 C 06 40 31.33 +34 27 33.4 V 033
2022-01-02 22:09:34 C 06 40 20.45 +34 01 56.5 V 033
2022-01-02 22:14:54 C 06 40 20.35 +34 01 50.8 V 033