2021 YK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3211922253 ± 1.81e-05
Semi-major axis (a)1.3497697962 AU ± 2.80e-05
Inclination (i)0.47796271° ± 7.40e-05
Long. of Asc. Node (Ω)288.07576303° ± 4.58e-04
Arg. of Perihelion (ω)217.73461173° ± 5.29e-04
Mean Anomaly (M)149.20617821° ± 2.74e-02
Mean Motion (n)0.6285252328°/day ± 1.96e-05
Perihelion dist (q)0.91623423 AU ± 3.10e-05
Aphelion dist (Q)1.78330536 AU ± 4.44e-05
Orbital Period1.56815706 yr ± 4.89e-05
Physical Parameters
H (abs. magnitude)27.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.199″
Uncertainty2
Orbit TypeApollo
MOID0.000936 AU
Observations Used58
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-27
Last Observation Used2022-01-02
Observations (65)
Date Type RA Dec Mag Band Observatory
2021-12-27 04:39:46 C 05 01 27.98 +23 37 15.9 V G96
2021-12-27 04:47:20 C 05 01 26.82 +23 37 22.4 V G96
2021-12-27 04:54:55 C 05 01 25.62 +23 37 29.0 V G96
2021-12-27 05:19:21 C 05 01 21.73 +23 37 49.5 V I52
2021-12-27 05:20:48 C 05 01 21.49 +23 37 50.8 V I52
2021-12-27 05:22:14 C 05 01 21.25 +23 37 52.0 V I52
2021-12-27 06:16:23 C 05 01 12.39 +23 38 33.1 V I52
2021-12-27 06:17:50 C 05 01 12.12 +23 38 34.0 V I52
2021-12-27 06:19:16 C 05 01 11.90 +23 38 35.1 V I52
2021-12-27 06:46:35 C 05 01 07.66 +23 38 56.6 V 291
2021-12-27 06:51:04 C 05 01 06.94 +23 38 59.2 V 291
2021-12-27 06:56:26 C 05 01 06.08 +23 39 02.8 V 291
2021-12-27 07:21:51 C 05 01 01.64 +23 39 14.3 V I52
2021-12-27 07:26:23 C 05 01 00.90 +23 39 17.0 V I52
2021-12-27 07:30:26 C 05 01 00.15 +23 39 19.0 V I52
2021-12-27 12:39:52 C 05 00 56.89 +23 43 08.6 V D29
2021-12-27 13:00:14 C 05 00 53.59 +23 43 29.6 V D29
2021-12-27 13:20:36 C 05 00 50.20 +23 43 50.4 V D29
2021-12-27 13:42:20 C 05 00 40.63 +23 44 04.6 r P93
2021-12-27 13:44:43 C 05 00 40.27 +23 44 05.5 r P93
2021-12-27 13:47:04 C 05 00 39.90 +23 44 08.3 r P93
2021-12-27 13:49:27 C 05 00 39.45 +23 44 09.3 r P93
2021-12-27 19:56:19 C 05 00 18.66 +23 47 25.7 V 033
2021-12-27 19:57:04 C 05 00 18.54 +23 47 26.6 V 033
2021-12-27 19:57:48 C 05 00 18.44 +23 47 27.5 V 033
2021-12-27 19:58:39 C 05 00 18.30 +23 47 28.4 V 033
2021-12-28 12:16:59 C 04 58 52.80 +24 05 25.6 V D29
2021-12-28 12:37:21 C 04 58 48.60 +24 05 55.0 V D29
2021-12-28 12:57:43 C 04 58 44.34 +24 06 24.2 V D29
2021-12-28 19:50:15 C 04 58 01.53 +24 13 17.3 V B49
2021-12-28 19:54:59 C 04 58 00.54 +24 13 24.4 V B49
2021-12-31 19:19:52 C 04 36 01.53 +27 56 45.8 V 033
2021-12-31 19:20:16 C 04 36 01.11 +27 56 49.3 V 033
2021-12-31 19:20:41 C 04 36 00.70 +27 56 52.7 V 033
2021-12-31 20:39:37 C 04 34 40.01 +28 09 41.2 V 204
2021-12-31 20:42:29 C 04 34 36.74 +28 10 05.7 V 204
2021-12-31 20:43:21 C 04 34 46.05 +28 10 25.0 X I93
2021-12-31 20:46:14 C 04 34 32.44 +28 10 38.1 V 204
2021-12-31 20:50:15 C 04 34 27.83 +28 11 12.4 V 204
2021-12-31 20:51:02 C 04 34 37.27 +28 11 33.6 X I93
2021-12-31 20:53:42 C 04 34 23.85 +28 11 42.0 V 204
2021-12-31 20:59:24 C 04 34 27.60 +28 12 47.6 X I93
2022-01-01 17:08:12 C 04 02 05.04 +32 57 32.2 V 033
2022-01-01 17:08:37 C 04 02 03.65 +32 57 43.1 V 033
2022-01-01 17:09:01 C 04 02 02.24 +32 57 54.3 V 033
2022-01-01 18:19:53 C 03 57 44.38 +33 37 47.9 q K73
2022-01-01 18:23:30 C 03 57 29.88 +33 39 31.9 q K73
2022-01-01 18:28:34 C 03 57 09.07 +33 42 00.5 q K73
2022-01-01 18:32:50 C 03 56 51.40 +33 44 04.9 q K73
2022-01-01 20:05:12 n 03 50 33.81 +34 28 49.9 q 619