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
2021-12-16 05:15:52 C 06 51 03.59 +59 26 22.2 V 703
2021-12-16 05:22:55 C 06 51 02.23 +59 24 54.5 V 703
2021-12-16 05:29:58 C 06 51 00.87 +59 23 26.0 V 703
2021-12-16 05:37:02 C 06 50 59.41 +59 21 57.7 V 703
2021-12-16 06:03:20 C 06 50 54.18 +59 16 30.3 V 703
2021-12-16 06:03:50 C 06 50 54.13 +59 16 22.8 V 703
2021-12-16 06:04:21 C 06 50 54.03 +59 16 16.1 V 703
2021-12-16 06:04:51 C 06 50 53.95 +59 16 10.2 V 703
2021-12-16 08:28:00 C 06 50 23.51 +58 46 17.9 V 703
2021-12-16 08:28:46 C 06 50 23.34 +58 46 07.8 V 703
2021-12-16 08:29:33 C 06 50 23.13 +58 45 58.5 V 703
2021-12-16 08:30:19 C 06 50 22.98 +58 45 48.6 V 703
2021-12-16 09:38:46 C 06 50 07.97 +58 31 27.5 V V21
2021-12-16 09:44:01 C 06 50 06.91 +58 30 21.6 V V21
2021-12-16 09:49:19 C 06 50 05.80 +58 29 14.7 V V21
2021-12-16 09:54:36 C 06 50 04.70 +58 28 07.5 V V21
2021-12-16 12:13:58 C 06 49 54.67 +58 00 32.1 V T05
2021-12-16 12:18:34 C 06 49 53.74 +57 59 33.9 V T05
2021-12-16 12:46:48 C 06 49 35.16 +57 51 54.4 V V21
2021-12-16 12:51:55 C 06 49 34.44 +57 50 50.4 V V21
2021-12-16 12:57:06 C 06 49 33.76 +57 49 45.3 V V21
2021-12-16 13:02:17 C 06 49 33.03 +57 48 40.3 V V21
2021-12-16 13:07:29 C 06 49 32.36 +57 47 35.4 V V21
2021-12-16 13:08:28 C 06 49 43.59 +57 49 26.2 V T05
2021-12-16 13:48:25 C 06 49 35.89 +57 41 18.0 V T05
2021-12-16 18:42:41 C 06 49 40.83 +56 41 48.0 X J57
2021-12-16 18:58:07 C 06 49 39.48 +56 39 04.7 X J57
2021-12-16 19:13:09 C 06 49 38.22 +56 36 26.0 X J57
2021-12-16 19:21:41 C 06 49 35.36 +56 35 08.6 V 203
2021-12-16 19:40:50 C 06 49 33.33 +56 31 45.9 V 203
2021-12-16 19:54:14 C 06 49 31.69 +56 29 23.6 V 204
2021-12-16 20:01:19 C 06 49 30.87 +56 28 09.7 V 203
2021-12-16 20:10:43 C 06 49 29.74 +56 26 29.7 V 204
2021-12-16 20:27:22 C 06 49 27.67 +56 23 34.3 V 204
2021-12-16 20:29:55 C 06 49 26.63 +56 23 16.0 V 595
2021-12-16 20:34:16 C 06 49 25.97 +56 22 29.5 V 595
2021-12-16 20:39:31 C 06 49 25.28 +56 21 33.9 V 595
2021-12-16 20:53:04 C 06 49 25.35 +56 19 03.4 Z C95
2021-12-16 21:01:49 C 06 49 25.35 +56 17 20.4 X 958
2021-12-16 21:09:05 C 06 49 24.40 +56 16 05.0 X 958
2021-12-16 21:16:20 C 06 49 23.53 +56 14 49.3 X 958
2021-12-16 21:20:52 C 06 49 20.16 +56 13 38.8 V Z99
2021-12-16 21:25:46 C 06 49 19.60 +56 12 47.3 V Z99
2021-12-16 21:30:42 C 06 49 18.98 +56 11 55.7 V Z99
2021-12-16 21:33:07 C 06 49 20.02 +56 12 04.3 Z C95
2021-12-16 21:35:37 C 06 49 18.40 +56 11 04.4 V Z99
2021-12-16 22:13:05 C 06 49 14.40 +56 05 07.6 Z C95
2021-12-17 06:44:00 C 06 48 25.34 +54 38 08.8 u H21
2021-12-17 06:48:01 C 06 48 24.74 +54 37 29.4 u H21
2021-12-17 06:52:03 C 06 48 24.14 +54 36 49.8 u H21