2021 WR

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6133596088 ± 3.01e-08
Semi-major axis (a)2.5177796300 AU ± 1.90e-09
Inclination (i)1.26322490° ± 3.79e-06
Long. of Asc. Node (Ω)226.66323127° ± 5.03e-05
Arg. of Perihelion (ω)223.17365680° ± 5.88e-05
Mean Anomaly (M)353.89779274° ± 4.12e-06
Mean Motion (n)0.2467094032°/day ± 2.79e-10
Perihelion dist (q)0.97347530 AU ± 7.58e-08
Aphelion dist (Q)4.06208396 AU ± 7.59e-08
Orbital Period3.99509006 yr ± 4.51e-09
Physical Parameters
H (abs. magnitude)25.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.265″
Uncertainty0
Orbit TypeApollo
MOID0.010087 AU
Observations Used100
Oppositions3
Arc Total2021-2025
First Observation Used2021-10-28
Last Observation Used2025-11-27
Observations (109)
Date Type RA Dec Mag Band Observatory
2021-10-28 07:16:23 C 01 22 21.082 +10 47 57.83 V F52
2021-10-28 07:51:09 C 01 22 20.751 +10 47 52.49 V F52
2021-10-28 08:08:31 C 01 22 20.563 +10 47 49.51 V F52
2021-11-07 06:09:37 C 01 25 11.165 +09 57 18.76 V F52
2021-11-07 06:24:17 C 01 25 11.342 +09 57 15.50 V F52
2021-11-07 06:39:03 C 01 25 11.556 +09 57 12.14 V F52
2021-11-07 06:53:43 C 01 25 11.724 +09 57 08.48 V F52
2021-11-20 09:15:35 C 01 53 58.365 +07 55 57.90 V F52
2021-11-20 09:35:52 C 01 54 02.059 +07 55 43.31 V F52
2021-11-20 10:16:34 C 01 54 09.498 +07 55 14.38 V F52
2021-11-25 08:44:24 C 02 38 29.72 +05 42 47.6 V T05
2021-11-25 08:49:02 C 02 38 32.27 +05 42 38.6 V T05
2021-11-25 09:11:31 C 02 38 44.68 +05 41 56.5 V T05
2021-11-25 09:39:28 C 02 39 00.18 +05 41 03.8 V T05
2021-11-25 11:45:45 C 02 40 12.17 +05 36 58.7 V T05
2021-11-25 11:45:53 C 02 40 12.06 +05 37 04.1 V T08
2021-11-25 11:46:24 C 02 40 12.57 +05 36 57.7 V T05
2021-11-25 11:46:33 C 02 40 12.51 +05 37 02.3 V T08
2021-11-25 11:47:13 C 02 40 12.92 +05 37 01.1 V T08
2021-11-25 11:47:43 C 02 40 13.36 +05 36 54.9 V T05
2021-11-25 11:48:23 C 02 40 13.75 +05 36 53.1 V T05
2021-11-25 11:48:33 C 02 40 13.61 +05 36 57.0 V T08
2021-11-25 19:15:01 C 02 45 12.34 +05 21 16.5 V N51
2021-11-25 19:22:12 C 02 45 16.90 +05 21 00.0 V N51
2021-11-25 19:29:08 C 02 45 21.30 +05 20 44.5 V N51
2021-11-26 01:48:27 C 02 49 58.44 +05 10 58.0 X Y00
2021-11-26 01:54:45 C 02 50 02.60 +05 10 43.2 X Y00
2021-11-26 02:00:51 C 02 50 06.65 +05 10 30.3 X Y00
2021-11-26 03:40:57 C 02 51 28.11 +05 02 21.0 V 734
2021-11-26 03:46:45 C 02 51 32.14 +05 02 07.7 V 734
2021-11-26 03:52:31 C 02 51 36.18 +05 01 54.4 V 734
2021-11-26 03:58:18 C 02 51 40.18 +05 01 41.2 V 734
2021-11-26 05:01:19 C 02 52 26.87 +04 59 29.5 X 858
2021-11-26 05:07:08 C 02 52 30.96 +04 59 16.0 X 858
2021-11-26 05:12:58 C 02 52 35.07 +04 59 02.4 X 858
2021-11-26 06:31:42 C 02 53 44.304 +04 56 53.82 U F51
2021-11-26 06:50:17 C 02 53 57.655 +04 56 10.47 U F51
2021-11-26 07:08:54 C 02 54 10.916 +04 55 27.08 U F51
2021-11-26 11:07:54 C 02 57 12.86 +04 50 06.2 q E94
2021-11-26 11:22:15 C 02 57 23.75 +04 49 30.3 q E94
2021-11-26 12:06:27 C 02 58 08.77 +04 42 08.9 r P93
2021-11-26 12:08:10 C 02 58 10.08 +04 42 04.7 r P93
2021-11-26 12:09:02 C 02 58 10.76 +04 42 02.9 r P93
2021-11-26 12:10:46 C 02 58 12.07 +04 41 58.2 r P93
2021-11-26 20:18:22 C 03 05 16.13 +04 18 59.7 V J95
2021-11-26 20:20:54 C 03 05 18.28 +04 18 52.6 V J95
2021-11-26 20:24:54 C 03 05 21.78 +04 18 40.8 V J95
2021-11-26 21:36:33 C 03 06 21.30 +04 15 20.4 V 033
2021-11-26 21:36:58 C 03 06 21.63 +04 15 19.1 V 033
2021-11-26 21:37:22 C 03 06 21.99 +04 15 17.9 V 033