2021 YR

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5998933333 ± 6.85e-05
Semi-major axis (a)2.0148002422 AU ± 3.03e-04
Inclination (i)4.02096168° ± 3.65e-04
Long. of Asc. Node (Ω)97.12050844° ± 3.56e-04
Arg. of Perihelion (ω)299.97765738° ± 2.69e-04
Mean Anomaly (M)144.23385304° ± 1.18e-01
Mean Motion (n)0.3446388914°/day ± 7.78e-05
Perihelion dist (q)0.80613501 AU ± 1.84e-04
Aphelion dist (Q)3.22346548 AU ± 5.04e-04
Orbital Period2.85988119 yr ± 6.45e-04
Physical Parameters
H (abs. magnitude)25.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty3
Orbit TypeApollo
MOID0.001429 AU
Observations Used105
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-30
Last Observation Used2022-02-06
Observations (106)
Date Type RA Dec Mag Band Observatory
2021-12-30 23:07:07 C 08 34 23.95 +24 59 31.8 X J57
2021-12-31 00:27:21 C 08 33 38.13 +25 04 50.4 S L01
2021-12-31 00:29:35 C 08 33 36.98 +25 04 59.4 S L01
2021-12-31 00:31:50 C 08 33 35.80 +25 05 08.8 S L01
2021-12-31 00:34:05 C 08 33 34.58 +25 05 17.6 S L01
2021-12-31 00:36:19 C 08 33 33.43 +25 05 26.8 S L01
2021-12-31 01:39:33 C 08 33 04.23 +25 09 38.7 X 958
2021-12-31 01:46:59 C 08 33 00.41 +25 10 06.2 X 958
2021-12-31 01:54:27 C 08 32 56.56 +25 10 34.7 X 958
2022-01-01 00:15:51 C 08 24 32.14 +26 19 30.1 o K88
2022-01-01 00:19:58 C 08 24 30.65 +26 19 40.1 o K88
2022-01-01 00:24:04 C 08 24 29.16 +26 19 50.5 o K88
2022-01-01 01:09:23 C 08 24 13.00 +26 21 42.2 o K88
2022-01-01 01:32:40 C 08 24 04.75 +26 22 38.1 o K88
2022-01-01 22:57:01 C 08 18 28.83 +27 07 04.2 o K88
2022-01-01 23:02:07 C 08 18 27.55 +27 07 13.9 o K88
2022-01-01 23:07:13 C 08 18 26.19 +27 07 23.1 o K88
2022-01-02 21:19:30 C 08 14 02.927 +27 40 47.22 V Z84
2022-01-02 21:22:35 C 08 14 02.328 +27 40 51.78 V Z84
2022-01-02 21:25:40 C 08 14 01.731 +27 40 56.41 V Z84
2022-01-03 09:23:40 C 08 11 52.54 +27 55 59.1 o 691
2022-01-03 09:34:27 C 08 11 50.41 +27 56 10.4 o 691
2022-01-03 09:45:15 C 08 11 48.33 +27 56 21.8 o 691
2022-01-04 04:51:04 C 08 09 14.64 +28 14 55.6 o 691
2022-01-04 04:58:00 C 08 09 13.60 +28 15 03.5 o 691
2022-01-04 05:04:56 C 08 09 12.54 +28 15 10.6 o 691
2022-01-04 07:52:14 C 08 08 46.00 +28 17 55.6 V G96
2022-01-04 07:59:45 C 08 08 44.77 +28 18 02.5 V G96
2022-01-04 08:07:15 C 08 08 43.57 +28 18 08.7 V G96
2022-01-04 08:14:46 C 08 08 42.35 +28 18 15.9 V G96
2022-01-05 06:48:10 C 08 06 09.78 +28 35 22.3 o 691
2022-01-05 07:01:42 C 08 06 07.96 +28 35 32.6 o 691
2022-01-05 07:15:13 C 08 06 06.17 +28 35 42.6 o 691
2022-01-06 05:13:18 C 08 04 02.76 +28 48 49.3 o 291
2022-01-06 05:20:32 C 08 04 01.98 +28 48 53.3 o 291
2022-01-06 05:27:47 C 08 04 01.19 +28 48 58.1 o 291
2022-01-07 08:32:58 C 08 01 45.949 +29 02 05.03 V G37
2022-01-07 08:34:25 C 08 01 45.806 +29 02 05.62 V G37
2022-01-07 08:57:11 C 08 01 48.380 +29 02 30.25 U F52
2022-01-07 09:14:48 C 08 01 46.661 +29 02 39.29 U F52
2022-01-07 09:32:25 C 08 01 44.936 +29 02 48.31 U F52
2022-01-07 09:49:59 C 08 01 43.190 +29 02 57.00 U F52
2022-01-07 10:16:37 C 08 01 35.75 +29 02 48.7 o 291
2022-01-07 10:26:04 C 08 01 34.96 +29 02 51.6 o 291
2022-01-07 10:35:32 C 08 01 34.02 +29 02 54.8 o 291
2022-01-07 14:19:18 C 08 01 16.691 +29 04 38.78 V T12
2022-01-07 14:20:53 C 08 01 16.547 +29 04 39.22 V T12
2022-01-07 14:22:24 C 08 01 16.410 +29 04 39.61 V T12
2022-01-09 05:11:19 C 07 58 58.59 +29 17 36.4 o 291
2022-01-09 05:21:42 C 07 58 57.87 +29 17 40.2 o 291