2021 YN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6938816409 ± 1.40e-07
Semi-major axis (a)1.6503830492 AU ± 6.58e-08
Inclination (i)6.97697187° ± 8.79e-06
Long. of Asc. Node (Ω)91.44910106° ± 1.72e-05
Arg. of Perihelion (ω)127.29594492° ± 2.08e-05
Mean Anomaly (M)268.15895454° ± 3.64e-05
Mean Motion (n)0.4648738794°/day ± 2.78e-08
Perihelion dist (q)0.50521255 AU ± 2.32e-07
Aphelion dist (Q)2.79555355 AU ± 2.56e-07
Orbital Period2.12020147 yr ± 1.27e-07
Physical Parameters
H (abs. magnitude)21.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.166″
Uncertainty0
Orbit TypeApollo
MOID0.052983 AU
Observations Used164
Oppositions2
Arc Total2021-2024
First Observation Used2021-12-07
Last Observation Used2024-01-01
Observations (174)
Date Type RA Dec Mag Band Observatory
2022-01-18 21:37:12 C 02 52 44.17 +55 17 44.5 X L63
2022-01-18 22:11:08 C 02 51 24.95 +55 17 13.4 X L63
2022-01-19 17:44:44 S 02 05 46.008 +54 29 54.46 L C51
2022-01-21 20:22:29 C 00 20 02.45 +47 42 41.1 X 595
2022-01-21 20:41:47 C 00 19 28.84 +47 39 01.3 X 595
2022-01-21 20:51:53 C 00 19 11.31 +47 37 06.8 X 595
2022-01-21 21:04:43 C 00 18 48.77 +47 34 45.7 V K83
2022-01-21 21:20:01 C 00 18 22.33 +47 31 51.4 V K83
2023-12-10 06:39:55 C 05 02 05.52 +19 05 16.6 V V06
2023-12-10 06:50:34 C 05 02 04.39 +19 05 15.6 V V06
2023-12-10 07:01:12 C 05 02 03.26 +19 05 15.9 V V06
2023-12-10 07:11:51 C 05 02 02.15 +19 05 15.4 V V06
2023-12-12 11:49:23 C 04 56 29.851 +19 03 43.76 V T12
2023-12-12 11:52:59 C 04 56 29.464 +19 03 43.60 V T12
2023-12-12 11:56:53 C 04 56 29.038 +19 03 43.46 V T12
2023-12-15 11:15:03 C 04 48 44.071 +19 01 03.34 V F51
2023-12-15 12:17:30 C 04 48 36.989 +19 01 00.32 V F51
2023-12-16 10:20:14 C 04 46 10.634 +19 00 03.60 V T12
2023-12-16 10:26:35 C 04 46 09.909 +19 00 03.29 V T12
2023-12-16 10:31:57 C 04 46 09.299 +19 00 03.03 V T12
2023-12-16 10:37:59 C 04 46 08.607 +19 00 02.72 V T12
2024-01-01 05:33:12 C 04 03 54.752 +18 36 20.93 V F51
2024-01-01 05:51:50 C 04 03 52.728 +18 36 19.74 V F51
2024-01-01 06:29:06 C 04 03 48.714 +18 36 17.43 V F51