2021 UU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5187870302 ± 3.78e-05
Semi-major axis (a)1.9263566543 AU ± 1.44e-04
Inclination (i)1.70049503° ± 1.22e-04
Long. of Asc. Node (Ω)216.69579672° ± 6.00e-05
Arg. of Perihelion (ω)222.66978382° ± 7.64e-05
Mean Anomaly (M)174.05378998° ± 6.00e-02
Mean Motion (n)0.3686440511°/day ± 4.15e-05
Perihelion dist (q)0.92698781 AU ± 1.01e-04
Aphelion dist (Q)2.92572550 AU ± 2.31e-04
Orbital Period2.67365303 yr ± 3.01e-04
Physical Parameters
H (abs. magnitude)26.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.307″
Uncertainty2
Orbit TypeApollo
MOID0.003237 AU
Observations Used96
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-26
Last Observation Used2021-11-04
Observations (105)
Date Type RA Dec Mag Band Observatory
2021-11-02 09:39:03 C 01 12 12.02 +02 46 29.3 V T08
2021-11-02 09:43:01 C 01 12 14.73 +02 46 10.3 V T08
2021-11-02 09:52:24 C 01 12 21.14 +02 45 24.9 V T08
2021-11-02 10:12:29 C 01 12 35.12 +02 43 46.0 V T08
2021-11-02 22:55:04 C 01 25 31.50 +01 24 02.3 V Z80
2021-11-02 23:05:04 C 01 25 42.41 +01 22 51.2 V Z80
2021-11-03 05:20:03 C 01 34 15.21 +00 36 13.8 V 703
2021-11-03 05:27:36 C 01 34 25.11 +00 35 08.5 V 703
2021-11-03 05:35:10 C 01 34 35.09 +00 34 01.3 V 703
2021-11-03 05:42:43 C 01 34 45.11 +00 32 54.6 V 703
2021-11-03 13:05:54 C 01 47 02.88 -00 24 51.5 V 474
2021-11-03 13:06:51 C 01 47 04.57 -00 25 02.1 V 474
2021-11-03 13:07:19 C 01 47 05.43 -00 25 07.3 V 474
2021-11-03 13:08:16 C 01 47 07.13 -00 25 18.3 V 474
2021-11-03 20:01:56 C 02 03 04.42 -02 16 21.7 V L18
2021-11-03 20:02:56 C 02 03 06.81 -02 16 37.9 V L18
2021-11-03 20:03:56 C 02 03 09.19 -02 16 52.4 V L18
2021-11-03 22:41:41 C 02 10 10.65 -02 59 24.5 V Z80
2021-11-03 22:47:17 C 02 10 25.88 -03 00 59.2 V Z80
2021-11-03 22:52:09 C 02 10 39.14 -03 02 22.3 V Z80
2021-11-03 22:57:41 C 02 10 54.25 -03 03 56.5 V Z80
2021-11-04 07:26:42 C 02 40 52.82 -05 53 20.8 V 703
2021-11-04 07:50:32 C 02 42 28.97 -06 03 00.4 V 703
2021-11-04 10:46:58 C 02 56 27.08 -07 16 39.4 V T05
2021-11-04 10:50:57 C 02 56 46.01 -07 18 30.3 V T05
2021-11-04 10:58:58 C 02 57 24.28 -07 22 14.1 V T05
2021-11-04 11:49:50 C 03 01 33.67 -07 46 19.6 V T05
2021-11-04 12:58:16 C 03 08 16.67 -07 55 39.4 V 474
2021-11-04 12:59:07 C 03 08 21.23 -07 56 04.5 V 474
2021-11-04 12:59:32 C 03 08 23.53 -07 56 17.0 V 474
2021-11-04 13:00:10 C 03 08 26.93 -07 56 35.7 V 474
2021-11-04 15:58:48 C 03 26 31.48 -10 01 42.2 q 900
2021-11-04 16:00:50 C 03 26 44.19 -10 02 50.7 q 900
2021-11-04 16:02:52 C 03 26 56.97 -10 03 59.4 q 900
2021-11-04 16:04:54 C 03 27 09.74 -10 05 07.9 q 900
2021-11-04 16:06:55 C 03 27 22.55 -10 06 16.9 q 900
2021-11-04 16:08:57 C 03 27 35.40 -10 07 25.3 q 900
2021-11-04 19:15:17 C 03 50 05.61 -12 02 02.1 V N82
2021-11-04 19:17:42 C 03 50 23.66 -12 03 31.4 V N82
2021-11-04 19:20:02 C 03 50 41.20 -12 04 58.8 V N82
2021-11-04 23:15:23 C 04 24 29.53 -14 33 12.4 V L01
2021-11-04 23:17:02 C 04 24 44.33 -14 34 17.2 V L01
2021-11-04 23:17:07 C 04 24 59.71 -14 35 15.0 V J95
2021-11-04 23:17:24 C 04 25 02.28 -14 35 26.4 V J95
2021-11-04 23:17:51 C 04 24 51.65 -14 34 48.7 V L01
2021-11-04 23:18:41 C 04 24 59.06 -14 35 21.3 V L01
2021-11-04 23:21:13 C 04 25 21.83 -14 37 00.6 V L01
2021-11-04 23:21:56 C 04 25 43.22 -14 38 23.6 V J95
2021-11-04 23:22:15 C 04 25 31.12 -14 37 41.0 V L01
2021-11-04 23:23:31 C 04 25 57.46 -14 39 25.7 V J95