2021 YQ

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5797489626 ± 1.96e+01
Semi-major axis (a)1.8586244167 AU ± 1.06e+02
Inclination (i)1.31326016° ± 3.56e+00
Long. of Asc. Node (Ω)317.92418250° ± 7.97e+02
Arg. of Perihelion (ω)211.97796003° ± 1.09e+03
Mean Anomaly (M)174.14769650° ± 4.74e+04
Mean Motion (n)0.3887907000°/day ± 3.32e+01
Perihelion dist (q)0.78104170 AU ± 5.75e+01
Aphelion dist (Q)2.93735290 AU ± 1.71e+02
Orbital Period2.53505990 yr ± 2.16e+02
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.290″
Uncertainty2
Orbit TypeApollo
MOID0.011953 AU
Observations Used142
Oppositions1
Arc Total2021-2022
First Observation Used
Last Observation Used2022-01-06
Observations (153)
Date Type RA Dec Mag Band Observatory
2021-12-31 00:44:44 C 06 55 40.35 +40 08 39.9 Z K19
2021-12-31 00:54:35 C 06 55 43.53 +40 09 33.8 Z K19
2021-12-31 01:02:24 C 06 55 47.28 +40 10 19.4 X 958
2021-12-31 01:04:10 C 06 55 46.61 +40 10 26.2 Z K19
2021-12-31 01:09:37 C 06 55 47.01 +40 10 47.9 S L01
2021-12-31 01:12:23 C 06 55 50.48 +40 11 14.6 X 958
2021-12-31 01:12:56 C 06 55 49.44 +40 11 14.0 Z K19
2021-12-31 01:13:22 C 06 55 48.25 +40 11 08.1 S L01
2021-12-31 01:17:06 C 06 55 49.44 +40 11 28.5 S L01
2021-12-31 01:20:51 C 06 55 50.69 +40 11 48.8 S L01
2021-12-31 01:21:08 C 06 55 52.09 +40 11 58.9 Z K19
2021-12-31 01:22:07 C 06 55 53.61 +40 12 08.6 X 958
2021-12-31 01:24:35 C 06 55 51.89 +40 12 09.2 S L01
2021-12-31 01:29:21 C 06 55 54.75 +40 12 43.5 Z K19
2021-12-31 18:26:06 C 07 03 29.44 +41 57 38.0 Z K19
2021-12-31 18:34:09 C 07 03 33.44 +41 58 37.5 Z K19
2021-12-31 18:42:12 C 07 03 37.40 +41 59 37.1 Z K19
2021-12-31 23:17:51 C 07 05 51.85 +42 34 16.4 Z K19
2021-12-31 23:21:16 C 07 05 53.53 +42 34 42.4 Z K19
2021-12-31 23:24:42 C 07 05 55.20 +42 35 08.6 Z K19
2022-01-01 04:03:22 C 07 08 21.16 +43 10 22.6 X C95
2022-01-01 04:08:06 C 07 08 23.87 +43 10 58.8 X C95
2022-01-01 04:12:51 C 07 08 26.58 +43 11 34.9 X C95
2022-01-01 04:17:34 C 07 08 29.30 +43 12 10.9 X C95
2022-01-01 04:22:00 C 07 08 31.84 +43 12 44.8 X C95
2022-01-01 04:26:08 C 07 08 34.26 +43 13 16.4 X C95
2022-01-01 04:30:15 C 07 08 36.61 +43 13 48.2 X C95
2022-01-01 04:34:21 C 07 08 39.01 +43 14 19.5 X C95
2022-01-01 04:38:26 C 07 08 41.41 +43 14 50.6 X C95
2022-01-01 04:42:34 C 07 08 43.84 +43 15 22.2 X C95
2022-01-01 18:26:01 C 07 18 57.92 +45 18 03.4 V A17
2022-01-01 18:31:21 C 07 19 02.32 +45 18 59.1 V A17
2022-01-01 18:35:28 C 07 19 05.70 +45 19 42.8 V A17
2022-01-01 21:17:54 C 07 21 22.35 +45 48 44.6 Z K19
2022-01-01 21:27:15 C 07 21 30.18 +45 50 25.7 Z K19
2022-01-01 21:36:36 C 07 21 38.00 +45 52 06.9 Z K19
2022-01-01 22:13:47 C 07 22 09.32 +45 58 50.3 Z K19
2022-01-01 22:22:13 C 07 22 16.47 +46 00 22.1 Z K19
2022-01-01 22:30:41 C 07 22 23.63 +46 01 53.9 Z K19
2022-01-01 23:51:12 C 07 23 26.56 +46 16 27.3 V 073
2022-01-01 23:57:30 C 07 23 32.10 +46 17 35.0 V 073
2022-01-02 00:03:31 C 07 23 37.33 +46 18 39.8 V 073
2022-01-02 20:44:42 C 07 50 33.47 +50 44 45.6 Z K19
2022-01-02 20:49:12 C 07 50 40.97 +50 45 56.5 Z K19
2022-01-02 20:53:41 C 07 50 48.52 +50 47 07.3 Z K19
2022-01-02 20:58:59 C 07 50 57.39 +50 48 31.2 Z K19
2022-01-02 21:03:12 C 07 51 04.46 +50 49 37.6 Z K19
2022-01-02 21:07:20 C 07 51 11.47 +50 50 43.1 Z K19
2022-01-02 23:00:51 C 07 54 27.32 +51 20 04.7 V Z80
2022-01-02 23:08:12 C 07 54 40.47 +51 22 02.7 V Z80