2021 YC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2236672799 ± 2.33e-05
Semi-major axis (a)1.2772783337 AU ± 3.91e-05
Inclination (i)6.63845629° ± 6.05e-04
Long. of Asc. Node (Ω)85.89261693° ± 4.35e-05
Arg. of Perihelion (ω)351.39747916° ± 2.36e-04
Mean Anomaly (M)264.60658989° ± 4.53e-02
Mean Motion (n)0.6827849788°/day ± 3.14e-05
Perihelion dist (q)0.99159296 AU ± 4.26e-05
Aphelion dist (Q)1.56296370 AU ± 5.64e-05
Orbital Period1.44353832 yr ± 6.64e-05
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.279″
Uncertainty2
Orbit TypeApollo
MOID0.008632 AU
Observations Used64
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-17
Last Observation Used2022-01-13
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-12-25 23:30:40 C 10 23 27.33 +53 39 10.4 V 033
2021-12-25 23:31:15 C 10 23 27.55 +53 39 12.2 V 033
2021-12-25 23:31:50 C 10 23 27.75 +53 39 13.7 V 033
2021-12-25 23:32:35 C 10 23 28.04 +53 39 16.1 V 033
2021-12-26 03:56:05 C 10 25 02.30 +53 49 03.9 V 033
2021-12-26 03:56:45 C 10 25 02.54 +53 49 05.2 V 033
2021-12-26 03:57:24 C 10 25 02.80 +53 49 06.6 V 033
2022-01-02 02:09:19 C 11 09 42.88 +56 33 35.3 V 033
2022-01-02 02:12:23 C 11 09 43.10 +56 33 37.4 V 033
2022-01-02 02:15:28 C 11 09 43.41 +56 33 39.5 V 033
2022-01-02 02:18:35 C 11 09 43.65 +56 33 41.5 V 033
2022-01-02 22:22:09 C 11 12 43.68 +56 41 34.9 V 033
2022-01-02 22:25:14 C 11 12 44.02 +56 41 37.7 V 033
2022-01-02 22:28:18 C 11 12 44.35 +56 41 40.2 V 033
2022-01-13 12:22:36 C 11 27 03.78 +57 33 41.3 V 695
2022-01-13 12:35:18 C 11 27 03.18 +57 33 40.5 V 695
2022-01-13 12:48:01 C 11 27 02.59 +57 33 39.7 V 695