2021 YB

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1645744303 ± 6.77e-05
Semi-major axis (a)1.0172717351 AU ± 2.97e-05
Inclination (i)5.21812143° ± 2.07e-03
Long. of Asc. Node (Ω)270.47426215° ± 8.41e-05
Arg. of Perihelion (ω)267.72020952° ± 1.04e-02
Mean Anomaly (M)223.30877270° ± 6.75e-02
Mean Motion (n)0.9606314691°/day ± 4.21e-05
Perihelion dist (q)0.84985482 AU ± 7.32e-05
Aphelion dist (Q)1.18468865 AU ± 7.71e-05
Orbital Period1.02601915 yr ± 4.49e-05
Physical Parameters
H (abs. magnitude)27.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.330″
Uncertainty2
Orbit TypeApollo
MOID0.000519 AU
Observations Used27
Oppositions1
Arc Total2021-2021
First Observation Used2021-12-12
Last Observation Used2021-12-21
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-12-12 11:17:13 C 06 45 19.80 +50 53 48.7 V G96
2021-12-12 11:25:41 C 06 45 20.41 +50 53 42.0 V G96
2021-12-12 11:34:09 C 06 45 21.10 +50 53 34.4 V G96
2021-12-17 06:17:26 C 07 16 11.70 +49 10 04.3 V G96
2021-12-17 06:25:42 C 07 16 14.33 +49 09 54.4 V G96
2021-12-17 06:33:57 C 07 16 16.91 +49 09 44.4 V G96
2021-12-17 06:42:12 C 07 16 19.46 +49 09 34.1 V G96
2021-12-17 09:05:10 C 07 17 01.44 +49 05 31.8 V G96
2021-12-17 09:05:50 C 07 17 01.63 +49 05 29.5 V G96
2021-12-17 09:09:05 C 07 17 02.64 +49 05 22.5 V G96
2021-12-17 11:30:26 C 07 17 46.11 +48 59 17.1 V G96
2021-12-17 11:34:36 C 07 17 47.53 +48 59 04.8 V G96
2021-12-17 11:38:50 C 07 17 48.94 +48 58 52.0 V G96
2021-12-17 20:36:10 C 07 23 20.79 +48 34 11.7 V 204
2021-12-17 21:06:29 C 07 23 35.14 +48 33 22.8 V 204
2021-12-17 23:37:17 C 07 24 38.00 +48 28 39.3 V L01
2021-12-17 23:39:46 C 07 24 38.99 +48 28 33.2 V L01
2021-12-17 23:42:16 C 07 24 40.04 +48 28 26.9 V L01
2021-12-17 23:44:45 C 07 24 41.06 +48 28 20.8 V L01
2021-12-17 23:47:15 C 07 24 42.11 +48 28 14.3 V L01
2021-12-21 06:53:08 C 08 58 34.23 +36 18 20.2 V 291
2021-12-21 06:57:18 C 08 58 43.07 +36 16 38.9 V 291
2021-12-21 07:05:26 C 08 59 00.27 +36 13 20.2 V 291
2021-12-21 07:35:04 C 09 00 01.36 +36 00 59.4 V I52
2021-12-21 07:35:18 C 09 00 01.83 +36 00 53.0 V I52
2021-12-21 07:35:33 C 09 00 02.34 +36 00 46.8 V I52
2021-12-21 07:35:47 C 09 00 02.84 +36 00 40.9 V I52