IAA RAS IAA Minor Planet Database

2021 YL

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1102343087 ± 2.47e-05
Semi-major axis (a)0.9436940850 AU ± 2.67e-06
Inclination (i)14.71630302° ± 5.23e-03
Long. of Asc. Node (Ω)275.23504011° ± 1.87e-04
Arg. of Perihelion (ω)317.40193568° ± 4.83e-03
Mean Anomaly (M)323.01344010° ± 1.52e-03
Mean Motion (n)1.0751410074°/day ± 4.56e-06
Perihelion dist (q)0.83966662 AU ± 2.35e-05
Aphelion dist (Q)1.04772155 AU ± 2.35e-05
Orbital Period0.91674141 yr ± 3.89e-06
Physical Parameters
H (abs. magnitude)25.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.322″
Uncertainty1
Orbit TypeAten
MOID0.029103 AU
Observations Used55
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-27
Last Observation Used2022-01-07
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-12-27 04:33:31 C 05 01 06.48 +27 12 22.5 – V G96
2021-12-27 04:41:06 C 05 01 02.31 +27 10 04.5 – V G96
2021-12-27 04:48:40 C 05 00 58.14 +27 07 47.2 – V G96
2021-12-27 04:56:15 C 05 00 54.01 +27 05 28.4 – V G96
2021-12-27 05:23:11 C 05 00 39.22 +26 57 16.3 – V I52
2021-12-27 05:23:32 C 05 00 39.02 +26 57 09.8 – V I52
2021-12-27 05:23:53 C 05 00 38.83 +26 57 03.6 – V I52
2021-12-27 05:24:15 C 05 00 38.65 +26 56 56.8 – V I52
2021-12-27 06:20:13 C 05 00 07.89 +26 39 48.3 – V I52
2021-12-27 06:20:34 C 05 00 07.70 +26 39 41.8 – V I52
2021-12-27 06:20:55 C 05 00 07.51 +26 39 35.1 – V I52
2021-12-27 06:21:16 C 05 00 07.31 +26 39 28.8 – V I52
2021-12-27 07:16:17 C 04 59 37.29 +26 22 29.6 – V I52
2021-12-27 07:16:38 C 04 59 37.08 +26 22 23.1 – V I52
2021-12-27 07:16:59 C 04 59 36.88 +26 22 16.5 – V I52
2021-12-27 07:17:21 C 04 59 36.70 +26 22 09.7 – V I52
2021-12-27 10:09:31 C 04 58 06.37 +25 28 15.5 – V I52
2021-12-27 10:11:22 C 04 58 05.46 +25 27 40.6 – V I52
2021-12-27 10:13:13 C 04 58 04.54 +25 27 05.4 – V I52
2021-12-27 10:13:34 C 04 58 04.30 +25 26 59.4 – V I52
2021-12-27 19:54:33 C 04 53 56.91 +22 25 01.9 – V 033
2021-12-27 19:54:58 C 04 53 56.72 +22 24 54.5 – V 033
2021-12-27 19:55:23 C 04 53 56.49 +22 24 46.8 – V 033
2021-12-28 01:52:21 C 04 51 09.17 +20 37 21.8 – X Y00
2021-12-28 02:17:56 C 04 50 55.84 +20 29 13.1 – X Y00
2021-12-30 02:11:17 C 04 31 40.33 +05 26 58.7 – u 807
2021-12-30 02:20:04 C 04 31 36.51 +05 24 18.8 – u 807
2021-12-30 02:28:49 C 04 31 32.71 +05 21 40.0 – u 807
2021-12-30 20:33:23 C 04 25 08.87 -00 03 31.2 – V 204
2021-12-30 20:47:44 C 04 25 03.22 -00 07 37.4 – V 204
2021-12-30 21:02:06 C 04 24 57.56 -00 11 43.7 – V 204
2021-12-31 03:37:03 C 04 22 39.31 -01 58 09.2 – u 807
2021-12-31 03:42:46 C 04 22 37.08 -01 59 44.7 – u 807
2021-12-31 03:48:30 C 04 22 34.80 -02 01 20.5 – u 807
2022-01-01 11:22:42 C 04 12 42.81 -10 12 56.0 – V 474
2022-01-01 11:24:28 C 04 12 42.19 -10 13 21.5 – V 474
2022-01-01 11:26:15 C 04 12 41.59 -10 13 47.0 – V 474
2022-01-01 11:28:56 C 04 12 40.66 -10 14 25.5 – V 474
2022-01-01 20:05:41 C 04 10 16.69 -12 21 18.7 – V 033
2022-01-01 20:06:31 C 04 10 16.42 -12 21 30.0 – V 033
2022-01-01 20:07:20 C 04 10 16.13 -12 21 41.8 – V 033
2022-01-01 20:08:19 C 04 10 15.81 -12 21 55.3 – V 033
2022-01-03 05:49:22 C 04 01 12.74 -19 23 30.9 – o 691
2022-01-03 05:57:58 C 04 01 10.15 -19 25 07.4 – o 691
2022-01-03 06:06:33 C 04 01 07.63 -19 26 43.8 – o 691
2022-01-05 03:13:22 C 03 50 49.96 -26 51 30.0 – u 807
2022-01-05 03:14:32 C 03 50 49.60 -26 51 39.9 – u 807
2022-01-05 03:15:44 C 03 50 49.33 -26 51 51.0 – u 807
2022-01-06 11:33:56 C 03 44 27.74 -31 04 42.4 – V 474
2022-01-06 11:39:10 C 03 44 26.60 -31 05 18.4 – V 474