2021 UG8

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3405801473 ± 5.24e-08
Semi-major axis (a)1.6863372137 AU ± 4.27e-09
Inclination (i)5.57384550° ± 3.49e-06
Long. of Asc. Node (Ω)331.17006562° ± 2.72e-05
Arg. of Perihelion (ω)104.53462617° ± 3.62e-05
Mean Anomaly (M)294.47790293° ± 6.34e-06
Mean Motion (n)0.4500861407°/day ± 1.71e-09
Perihelion dist (q)1.11200424 AU ± 8.85e-08
Aphelion dist (Q)2.26067019 AU ± 8.86e-08
Orbital Period2.18986144 yr ± 8.32e-09
Physical Parameters
H (abs. magnitude)22.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.227″
Uncertainty0
Orbit TypeAmor
MOID0.159777 AU
Observations Used104
Oppositions7
Arc Total2010-2023
First Observation Used2010-10-08
Last Observation Used2023-08-11
Observations (106)
Date Type RA Dec Mag Band Observatory
2010-10-08 08:00:19 C 00 40 13.442 +23 37 06.17 V F51
2010-10-15 06:13:23 C 00 31 29.009 +25 57 00.63 V F51
2010-10-15 06:30:37 C 00 31 27.935 +25 57 15.26 V F51
2010-11-03 08:44:22 C 00 09 40.708 +31 39 51.33 V F51
2010-11-03 09:01:37 C 00 09 40.002 +31 40 02.14 V F51
2021-10-30 14:43:19 C 06 48 06.236 +45 42 32.72 U F51
2021-10-30 14:54:41 C 06 48 08.935 +45 42 36.45 U F51
2021-10-30 15:06:03 C 06 48 11.601 +45 42 39.92 U F51
2021-10-31 02:55:07 C 06 51 08.47 +45 46 07.9 V 033
2021-10-31 02:59:16 C 06 51 09.50 +45 46 09.0 V 033
2021-10-31 03:03:27 C 06 51 10.51 +45 46 10.5 V 033
2021-10-31 08:58:06 C 06 52 39.16 +45 48 01.4 u H21
2021-10-31 09:03:44 C 06 52 40.53 +45 48 02.9 u H21
2021-10-31 09:32:03 C 06 52 48.33 +45 48 13.8 V I52
2021-10-31 09:34:46 C 06 52 48.90 +45 48 14.1 V I52
2021-10-31 09:37:30 C 06 52 49.43 +45 48 14.7 V I52
2021-10-31 12:10:21 C 06 53 28.007 +45 49 03.74 V 568
2021-10-31 12:13:11 C 06 53 28.677 +45 49 04.70 V 568
2021-10-31 12:14:36 C 06 53 29.017 +45 49 05.15 V 568
2021-11-02 19:19:51 C 07 07 09.49 +46 01 35.6 r P93
2021-11-02 19:22:44 C 07 07 10.13 +46 01 35.9 r P93
2021-11-02 19:25:36 C 07 07 10.76 +46 01 36.7 r P93
2021-11-02 19:31:22 C 07 07 12.21 +46 01 36.9 r P93
2021-11-03 08:58:39 C 07 10 34.37 +46 03 41.4 V G96
2021-11-03 09:06:01 C 07 10 36.13 +46 03 43.1 V G96
2021-11-03 09:13:23 C 07 10 37.80 +46 03 43.4 V G96
2021-11-04 14:20:55 C 07 17 49.108 +46 07 10.28 V F52
2021-11-09 08:51:46 C 07 45 40.99 +46 02 57.1 V V06
2021-11-09 08:52:54 C 07 45 41.27 +46 02 57.0 V V06
2021-11-09 08:54:03 C 07 45 41.52 +46 02 57.2 V V06
2021-11-10 12:57:41 C 07 52 19.708 +45 58 07.10 U F52
2021-11-10 13:17:46 C 07 52 24.192 +45 58 03.80 U F52
2021-11-10 13:37:56 C 07 52 28.680 +45 58 00.44 U F52
2021-11-11 12:11:57 C 07 57 46.187 +45 52 47.87 V F52
2021-11-11 12:31:55 C 07 57 50.607 +45 52 44.17 V F52
2021-11-12 08:59:56 C 08 02 34.36 +45 47 07.0 V I52
2021-11-12 09:05:22 C 08 02 35.70 +45 47 05.4 V I52
2021-11-12 09:06:28 C 08 02 35.86 +45 47 04.7 V I52
2021-11-12 09:23:23 C 08 02 39.49 +45 47 01.6 V I52
2021-11-13 07:56:28 C 08 07 48.88 +45 39 58.4 V G96
2021-11-13 08:05:02 C 08 07 50.77 +45 39 55.8 V G96
2021-11-13 08:13:37 C 08 07 52.67 +45 39 53.9 V G96
2021-11-13 08:22:13 C 08 07 54.58 +45 39 51.7 V G96
2021-11-15 09:17:05 C 08 18 47.87 +45 21 44.8 V V06
2021-11-15 09:19:01 C 08 18 48.39 +45 21 43.9 V V06
2021-11-15 09:20:57 C 08 18 48.83 +45 21 43.6 V V06
2021-11-15 09:22:52 C 08 18 49.28 +45 21 43.0 V V06
2021-11-28 10:53:01 C 09 18 17.48 +42 06 59.2 V I52
2021-11-28 11:01:00 C 09 18 18.66 +42 06 53.0 V I52
2021-11-28 11:07:43 C 09 18 19.51 +42 06 45.4 V I52