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
2021-12-01 09:31:25 C 09 28 53.76 +41 10 18.3 V G96
2021-12-01 09:39:03 C 09 28 54.80 +41 10 12.1 V G96
2021-12-01 09:46:42 C 09 28 55.80 +41 10 06.1 V G96
2021-12-01 09:54:23 C 09 28 56.88 +41 10 01.1 V G96
2021-12-12 03:13:12 C 09 58 23.30 +37 27 38.8 X C95
2021-12-12 05:12:09 C 09 58 32.63 +37 25 52.9 X C95
2021-12-16 15:55:16 C 10 06 42.269 +35 51 37.69 V F52
2021-12-18 14:45:17 C 10 09 35.665 +35 10 25.87 V F52
2021-12-18 15:00:40 C 10 09 36.352 +35 10 12.34 V F52
2021-12-18 15:31:20 C 10 09 37.734 +35 09 45.04 V F52
2022-01-01 22:55:44 C 10 18 10.09 +30 20 36.7 V 033
2022-01-01 22:57:49 C 10 18 10.14 +30 20 34.9 V 033
2022-01-01 22:59:53 C 10 18 10.12 +30 20 33.3 V 033
2022-01-04 09:26:37 C 10 17 31.33 +29 34 33.1 V G96
2022-01-04 09:34:04 C 10 17 31.18 +29 34 27.6 V G96
2022-01-04 09:41:32 C 10 17 31.00 +29 34 21.7 V G96
2022-01-04 09:49:00 C 10 17 30.76 +29 34 16.1 V G96
2022-01-08 11:25:07 C 10 15 16.339 +28 18 46.90 U F52
2022-01-08 11:42:32 C 10 15 15.645 +28 18 34.11 U F52
2022-01-08 11:59:57 C 10 15 14.937 +28 18 21.29 U F52
2022-01-08 15:11:28 C 10 15 07.000 +28 15 54.80 V F52
2022-01-12 09:51:56 C 10 11 48.56 +27 07 18.7 V I52
2022-01-12 10:01:48 C 10 11 47.99 +27 07 12.6 V I52
2022-01-12 10:11:12 C 10 11 47.52 +27 07 05.3 V I52
2022-01-12 10:17:07 C 10 11 47.25 +27 07 01.6 V I52
2022-01-13 14:47:47 C 10 10 30.803 +26 45 52.78 V F52
2022-01-13 15:17:07 C 10 10 29.176 +26 45 30.06 V F52
2022-01-27 09:12:23 C 09 51 00.46 +22 50 09.7 V G96
2022-01-27 09:28:38 C 09 50 59.22 +22 49 58.6 V G96
2022-01-27 09:36:45 C 09 50 58.63 +22 49 53.2 V G96
2022-01-29 13:14:21 C 09 47 29.385 +22 15 06.92 V F52
2022-01-29 13:30:47 C 09 47 28.159 +22 14 55.19 V F52
2022-01-29 13:47:15 C 09 47 26.915 +22 14 43.94 V F52
2022-01-29 14:03:45 C 09 47 25.655 +22 14 32.79 V F52
2022-02-03 08:03:28 C 09 39 52.807 +20 59 48.70 U F52
2022-02-03 08:21:43 C 09 39 51.486 +20 59 37.55 U F52
2022-02-03 08:39:59 C 09 39 50.184 +20 59 26.55 U F52
2022-02-03 08:58:18 C 09 39 48.859 +20 59 15.16 U F52
2022-02-04 07:10:30 C 09 38 22.20 +20 45 00.5 V G96
2022-02-04 07:18:42 C 09 38 21.59 +20 44 56.0 V G96
2022-02-04 07:26:53 C 09 38 20.98 +20 44 51.1 V G96
2022-02-04 07:35:06 C 09 38 20.45 +20 44 45.9 V G96
2022-02-09 08:13:14 C 09 31 01.782 +19 30 25.47 U F52
2022-02-09 08:30:39 C 09 31 00.665 +19 30 15.43 U F52
2022-02-09 08:48:00 C 09 30 59.579 +19 30 05.47 U F52
2022-02-26 06:45:17 C 09 14 59.941 +15 55 34.65 V F52
2022-02-26 07:02:02 C 09 14 59.517 +15 55 27.43 V F52
2022-02-26 07:18:44 C 09 14 59.068 +15 55 20.21 V F52
2022-02-26 07:35:21 C 09 14 58.641 +15 55 12.56 V F52
2022-02-27 04:15:53 C 09 14 33.91 +15 45 42.1 u H21