2021 WR1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2336225857 ± 3.58e-05
Semi-major axis (a)1.5377007354 AU ± 9.12e-05
Inclination (i)2.44027566° ± 2.35e-04
Long. of Asc. Node (Ω)176.55803172° ± 9.74e-03
Arg. of Perihelion (ω)273.49013334° ± 2.07e-02
Mean Anomaly (M)16.95686745° ± 6.85e-02
Mean Motion (n)0.5168976326°/day ± 4.60e-05
Perihelion dist (q)1.17845911 AU ± 8.89e-05
Aphelion dist (Q)1.89694236 AU ± 1.25e-04
Orbital Period1.90681137 yr ± 1.70e-04
Physical Parameters
H (abs. magnitude)23.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.202″
Uncertainty2
Orbit TypeAmor
MOID0.199422 AU
Observations Used26
Oppositions1
Arc Total2021-2022
First Observation Used2021-11-26
Last Observation Used2022-01-05
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-11-26 12:32:39 C 04 34 21.833 +09 16 29.81 U F51
2021-11-26 12:51:20 C 04 34 21.674 +09 16 22.93 U F51
2021-11-26 13:09:56 C 04 34 21.524 +09 16 16.21 U F51
2021-11-26 13:28:31 C 04 34 21.372 +09 16 09.36 U F51
2021-11-26 15:14:38 C 04 34 20.827 +09 15 29.81 V F51
2021-11-26 15:15:33 C 04 34 20.822 +09 15 29.37 V F51
2021-11-27 08:26:25 C 04 34 23.33 +09 09 30.2 o 691
2021-11-27 08:41:21 C 04 34 23.18 +09 09 24.9 o 691
2021-11-27 08:56:17 C 04 34 23.04 +09 09 19.4 o 691
2021-11-28 00:54:39 C 04 34 23.33 +09 03 47.1 V 033
2021-11-28 01:04:59 C 04 34 23.31 +09 03 43.4 V 033
2021-11-28 01:10:19 C 04 34 23.23 +09 03 41.2 V 033
2021-11-28 07:54:02 C 04 34 23.75 +09 01 40.7 V I52
2021-11-28 08:06:05 C 04 34 23.59 +09 01 36.3 V I52
2021-11-28 08:22:44 C 04 34 23.41 +09 01 30.9 V I52
2021-12-01 03:08:11 C 04 34 21.92 +08 41 57.0 V 807
2021-12-01 03:18:18 C 04 34 21.80 +08 41 54.2 V 807
2021-12-01 03:28:08 C 04 34 21.69 +08 41 51.5 V 807
2021-12-01 07:22:13 C 04 34 20.63 +08 40 04.1 V I52
2021-12-01 07:40:42 C 04 34 20.42 +08 39 59.2 V I52
2021-12-01 07:54:19 C 04 34 20.28 +08 39 55.6 V I52
2021-12-01 08:10:16 C 04 34 20.09 +08 39 51.1 V I52
2022-01-04 02:50:07 C 04 46 28.89 +09 51 52.9 u H21
2022-01-04 02:58:13 C 04 46 29.18 +09 51 56.6 u H21
2022-01-05 02:02:16 C 04 47 32.45 +10 01 46.1 o 291
2022-01-05 02:23:48 C 04 47 33.29 +10 01 57.3 o 291
2022-01-05 02:45:29 C 04 47 34.14 +10 02 06.2 o 291