2021 UP

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4013682786 ± 5.21e-08
Semi-major axis (a)1.5632757074 AU ± 6.39e-08
Inclination (i)8.60109880° ± 7.70e-06
Long. of Asc. Node (Ω)24.31137635° ± 1.36e-05
Arg. of Perihelion (ω)320.92077903° ± 2.52e-05
Mean Anomaly (M)49.94169033° ± 5.67e-05
Mean Motion (n)0.5042650948°/day ± 3.09e-08
Perihelion dist (q)0.93582643 AU ± 9.00e-08
Aphelion dist (Q)2.19072499 AU ± 1.21e-07
Orbital Period1.95457963 yr ± 1.20e-07
Physical Parameters
H (abs. magnitude)25.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.247″
Uncertainty0
Orbit TypeApollo
MOID0.001105 AU
Observations Used53
Oppositions1
Arc Total2021-2023
First Observation Used2021-10-19
Last Observation Used2023-12-10
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-10-19 13:16:10 C 04 10 50.75 +42 26 19.2 V T08
2021-10-19 13:16:50 C 04 10 49.86 +42 26 24.2 V T08
2021-10-19 13:20:49 C 04 10 45.02 +42 26 53.6 V T08
2021-10-19 13:22:08 C 04 10 43.32 +42 27 03.9 V T08
2021-10-19 14:18:04 C 04 09 35.39 +42 33 36.3 V T08
2021-10-19 22:48:05 C 04 02 10.29 +43 25 31.9 V 104
2021-10-19 22:53:46 C 04 02 04.68 +43 26 08.7 V 104
2021-10-19 22:59:29 C 04 01 59.15 +43 26 45.8 V 104
2021-10-19 23:03:19 C 04 01 53.79 +43 27 07.1 V L01
2021-10-19 23:06:45 C 04 01 52.02 +43 27 32.0 V 104
2021-10-19 23:10:02 C 04 01 47.24 +43 27 49.2 V L01
2021-10-19 23:14:28 C 04 01 42.89 +43 28 17.2 V L01
2021-10-19 23:18:59 C 04 01 38.40 +43 28 44.8 V L01
2021-10-19 23:21:40 C 04 01 35.80 +43 29 01.9 V L01
2021-10-19 23:27:00 C 04 01 30.57 +43 29 35.0 V L01
2021-10-19 23:42:12 C 04 01 17.96 +43 30 55.2 V 204
2021-10-19 23:49:22 C 04 01 11.05 +43 31 39.1 V 204
2021-10-20 00:00:50 C 04 00 59.91 +43 32 48.1 V 204
2021-10-20 00:08:20 C 04 00 52.69 +43 33 33.2 V 204
2021-10-21 19:13:53 C 03 35 06.57 +46 02 22.1 V J95
2021-10-21 19:20:43 C 03 35 03.72 +46 02 40.8 V J95
2021-10-21 19:27:44 C 03 35 00.74 +46 03 00.6 V J95
2021-10-21 20:22:42 C 03 34 35.70 +46 06 22.7 X G02
2021-10-21 20:29:26 C 03 34 32.52 +46 06 41.2 X G02
2021-10-21 20:36:26 C 03 34 29.31 +46 06 59.1 X G02
2021-10-21 22:34:04 C 03 33 37.17 +46 11 05.6 V Z99
2021-10-21 22:36:03 C 03 33 36.26 +46 11 10.4 V Z99
2021-10-21 22:36:50 C 03 33 35.85 +46 11 12.2 V Z99
2021-10-27 04:05:40 C 03 05 31.34 +48 00 22.9 V 291
2021-10-27 05:03:05 C 03 05 22.29 +48 00 57.5 V 291
2021-10-27 05:11:45 C 03 05 20.85 +48 01 02.1 V 291
2021-10-28 10:46:58 C 03 01 43.75 +48 07 10.7 V 291
2021-10-28 10:51:16 C 03 01 43.15 +48 07 10.2 V 291
2021-10-28 10:55:35 C 03 01 42.56 +48 07 09.8 V 291
2021-10-30 12:11:28 C 02 57 15.88 +48 10 11.4 o 291
2021-10-30 12:15:45 C 02 57 15.52 +48 10 09.7 o 291
2021-10-30 12:20:01 C 02 57 15.04 +48 10 08.8 o 291
2021-11-03 10:02:28 C 02 51 22.11 +48 01 41.6 o 291
2021-11-03 10:12:10 C 02 51 21.40 +48 01 39.0 o 291
2021-11-03 10:21:51 C 02 51 20.64 +48 01 35.5 o 291
2021-11-04 11:53:39 C 02 50 04.94 +47 56 19.9 o 291
2021-11-04 12:08:43 C 02 50 04.09 +47 56 13.6 o 291
2021-11-04 12:23:49 C 02 50 03.25 +47 56 07.0 o 291
2021-11-05 11:47:43 C 02 49 02.59 +47 50 57.8 o 291
2021-11-05 11:57:23 C 02 49 02.08 +47 50 53.5 o 291
2021-11-05 12:07:05 C 02 49 01.55 +47 50 49.0 o 291
2021-11-07 09:04:04 C 02 47 23.22 +47 39 24.3 V 291
2021-11-07 09:23:31 C 02 47 22.10 +47 39 16.7 V 291
2021-11-07 09:42:59 C 02 47 20.99 +47 39 08.7 V 291
2021-11-11 11:57:50 C 02 44 40.764 +47 07 12.66 V T12