2021 YH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5731898000
Semi-major axis (a)2.2527909000 AU
Inclination (i)5.79842000°
Long. of Asc. Node (Ω)80.14270000°
Arg. of Perihelion (ω)343.27845000°
Mean Anomaly (M)63.10548000°
Mean Motion (n)0.2914893900°/day
Perihelion dist (q)0.96151410 AU
Aphelion dist (Q)3.54406770 AU
Orbital Period3.38128150 yr
Physical Parameters
H (abs. magnitude)27.03
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty8
Orbit TypeApollo
MOID0.005633 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-12-20
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-12-17 10:37:04 C 11 09 04.06 +38 44 27.1 V G96
2021-12-17 10:45:53 C 11 08 57.28 +38 44 34.8 V G96
2021-12-17 10:54:42 C 11 08 50.54 +38 44 43.4 V G96
2021-12-17 11:03:31 C 11 08 43.83 +38 44 52.0 V G96
2021-12-17 12:43:27 C 11 07 27.33 +38 45 54.4 V G96
2021-12-17 12:44:18 C 11 07 26.71 +38 45 54.9 V G96
2021-12-17 12:45:08 C 11 07 26.10 +38 45 55.3 V G96
2021-12-18 00:44:31 C 11 00 56.34 +38 47 07.0 V L01
2021-12-18 00:59:30 C 11 00 47.79 +38 47 18.8 V L01
2021-12-18 01:06:08 C 11 00 43.99 +38 47 23.9 V L01
2021-12-18 01:18:57 C 11 00 36.65 +38 47 32.8 V L01
2021-12-20 08:43:51 C 10 41 31.44 +38 51 17.7 V 695
2021-12-20 08:56:49 C 10 41 27.70 +38 51 22.7 V 695
2021-12-20 09:09:37 C 10 41 24.03 +38 51 27.7 V 695