448818 (2011 UU20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5247936206 ± 2.57e-08
Semi-major axis (a)2.4846631847 AU ± 9.50e-09
Inclination (i)21.97917377° ± 4.90e-06
Long. of Asc. Node (Ω)355.06236946° ± 6.25e-06
Arg. of Perihelion (ω)137.22164135° ± 1.08e-05
Mean Anomaly (M)170.85348878° ± 3.91e-06
Mean Motion (n)0.2516581435°/day ± 1.44e-09
Perihelion dist (q)1.18072780 AU ± 6.41e-08
Aphelion dist (Q)3.78859857 AU ± 6.55e-08
Orbital Period3.91652847 yr ± 2.25e-08
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.619″
Uncertainty0
Orbit TypeAmor
MOID0.261270 AU
Observations Used1198
Oppositions16
Arc Total2003-2024
First Observation Used2003-09-29
Last Observation Used2024-05-07
Observations (1671)
Date Type RA Dec Mag Band Observatory
2015-11-20 07:04:28 C 00 25 27.43 +39 24 57.8 q 703
2015-11-20 07:10:57 C 00 25 27.02 +39 24 58.3 q 703
2015-11-20 07:17:27 C 00 25 26.49 +39 24 56.7 q 703
2016-04-17 03:28:35 C 07 05 56.42 +31 01 55.4 u 926
2016-04-17 03:38:22 C 07 05 58.28 +31 01 41.5 u 926
2016-04-17 03:48:12 C 07 06 00.05 +31 01 28.7 u 926
2016-04-18 03:36:25 C 07 10 31.53 +30 28 37.2 o 691
2016-04-18 03:40:39 C 07 10 32.27 +30 28 31.8 o 691
2016-04-18 03:44:54 C 07 10 33.12 +30 28 25.4 o 691
2016-04-19 03:34:24 C 07 15 01.66 +29 55 11.5 o 691
2016-04-19 03:38:19 C 07 15 02.33 +29 55 06.5 o 691
2016-04-19 03:42:14 C 07 15 03.05 +29 55 00.5 o 691
2016-04-20 05:49:59 C 07 19 53.78 +29 18 07.9 o 291
2016-04-20 05:57:19 C 07 19 55.14 +29 17 57.6 o 291
2016-04-20 06:04:37 C 07 19 56.45 +29 17 46.8 o 291
2016-04-23 03:23:30 C 07 32 30.40 +27 38 22.6 o 691
2016-04-23 03:42:23 C 07 32 33.78 +27 37 54.3 o 691
2016-04-23 04:01:29 C 07 32 37.24 +27 37 26.3 o 691
2016-04-29 03:35:40 C 07 57 17.60 +24 06 03.6 o 691
2016-04-29 03:45:00 C 07 57 19.05 +24 05 50.3 o 691
2016-05-02 03:44:40 C 08 09 02.48 +22 18 29.1 o 691
2016-05-02 04:01:41 C 08 09 05.18 +22 18 03.2 o 691
2016-05-02 04:18:42 C 08 09 07.85 +22 17 38.2 o 691
2016-05-03 06:06:27 C 08 13 13.89 +21 39 05.2 o 691
2016-05-03 06:16:55 C 08 13 15.36 +21 38 49.5 o 691
2016-05-11 03:23:57 C 08 41 49.09 +16 58 38.1 o 691
2016-05-11 03:35:12 C 08 41 50.66 +16 58 22.1 o 691
2016-05-11 03:46:24 C 08 41 52.34 +16 58 04.7 o 691
2016-05-17 03:56:09 C 09 02 02.97 +13 30 10.1 o 691
2016-05-17 04:01:11 C 09 02 03.58 +13 30 02.9 o 691
2016-05-17 04:06:11 C 09 02 04.22 +13 29 55.6 o 691
2016-05-20 06:17:34 C 09 11 58.675 +11 45 50.99 L F51
2016-05-20 06:18:30 C 09 11 58.786 +11 45 49.73 L F51
2016-05-20 06:35:19 C 09 12 00.958 +11 45 26.62 L F51
2016-05-20 06:36:14 C 09 12 01.098 +11 45 24.98 L F51
2016-05-20 06:53:11 C 09 12 03.301 +11 45 01.16 L F51
2016-05-20 07:11:56 C 09 12 05.726 +11 44 35.36 L F51
2016-05-27 04:17:55 C 09 33 07.81 +08 01 13.8 o 691
2016-05-27 04:30:36 C 09 33 09.39 +08 00 56.8 o 691
2016-05-27 04:43:22 C 09 33 10.94 +08 00 40.0 o 691
2016-06-06 03:50:30 C 10 01 35.59 +02 59 37.2 o 691
2016-06-06 04:00:54 C 10 01 36.87 +02 59 24.1 o 691
2016-06-06 04:11:17 C 10 01 37.99 +02 59 10.9 o 691
2016-06-07 04:01:30 C 10 04 21.21 +02 30 41.1 o 691
2016-06-07 04:15:10 C 10 04 22.81 +02 30 24.1 o 691
2016-06-07 04:28:53 C 10 04 24.35 +02 30 08.2 o 691
2019-08-27 10:57:43 C 03 14 05.32 +32 52 43.6 V G96
2019-08-27 11:05:06 C 03 14 05.69 +32 52 49.5 V G96
2019-08-27 11:15:19 C 03 14 06.25 +32 52 57.7 V G96
2019-08-27 11:20:41 C 03 14 06.49 +32 53 01.3 V G96