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
2011-11-03 06:12:43 C 00 04 32.82 +21 41 23.0 o 291
2011-11-15 06:49:52 C 23 50 24.34 +21 16 03.6 o 291
2011-11-15 06:55:28 C 23 50 24.11 +21 16 03.1 o 291
2011-11-15 07:01:05 C 23 50 23.89 +21 16 02.5 o 291
2011-11-16 04:32:11 C 23 49 35.33 +21 14 14.9 o 291
2011-11-16 04:38:25 C 23 49 35.10 +21 14 13.9 o 291
2011-11-16 04:44:36 C 23 49 34.88 +21 14 13.5 o 291
2012-02-12 02:43:01 C 01 08 45.60 +29 08 53.7 r G96
2012-02-12 02:50:34 C 01 08 46.39 +29 08 57.7 r G96
2012-02-12 02:58:10 C 01 08 47.14 +29 09 01.5 r G96
2012-02-12 03:05:44 C 01 08 47.94 +29 09 04.6 r G96
2015-09-24 09:02:57 C 02 07 46.55 +31 52 41.0 q G96
2015-09-24 09:11:59 C 02 07 46.20 +31 52 46.2 q G96
2015-09-24 09:21:04 C 02 07 45.96 +31 52 52.8 q G96
2015-09-24 09:30:07 C 02 07 45.63 +31 52 58.3 q G96
2015-10-11 04:50:32 C 01 47 29.00 +35 56 13.5 q 703
2015-10-11 05:08:13 C 01 47 27.53 +35 56 23.6 q 703
2015-10-11 05:17:04 C 01 47 26.93 +35 56 27.1 q 703
2015-10-13 08:32:41 C 01 43 48.89 +36 23 47.5 R G45
2015-10-13 08:41:08 C 01 43 48.28 +36 23 52.5 R G45
2015-10-13 08:49:18 C 01 43 47.63 +36 23 55.4 R G45
2015-10-13 08:51:05 C 01 43 47.46 +36 23 57.1 R G45
2015-10-13 08:57:52 C 01 43 46.96 +36 24 00.7 R G45
2015-10-13 08:57:59 C 01 43 46.96 +36 24 01.7 R G45
2015-10-14 08:26:53 C 01 42 02.92 +36 36 06.3 R G45
2015-10-14 08:26:59 C 01 42 02.95 +36 36 05.3 R G45
2015-10-14 08:43:05 C 01 42 01.68 +36 36 13.8 R G45
2015-10-14 08:44:53 C 01 42 01.53 +36 36 15.2 R G45
2015-10-14 08:51:35 C 01 42 01.05 +36 36 18.0 R G45
2015-10-14 08:51:40 C 01 42 01.03 +36 36 18.2 R G45
2015-10-14 09:00:01 C 01 42 00.37 +36 36 22.6 R G45
2015-10-20 06:22:47 C 01 30 40.38 +37 42 21.9 u H21
2015-10-20 06:25:11 C 01 30 40.17 +37 42 23.0 u H21
2015-10-20 06:27:27 C 01 30 39.94 +37 42 24.1 u H21
2015-10-20 06:29:30 C 01 30 39.74 +37 42 24.9 u H21
2015-10-20 06:32:01 C 01 30 39.57 +37 42 25.6 u H21
2015-11-04 04:28:56 C 00 57 49.63 +39 24 22.7 q H21
2015-11-04 04:37:04 C 00 57 48.80 +39 24 23.1 q H21
2015-11-04 04:45:21 C 00 57 48.06 +39 24 24.6 q H21
2015-11-04 04:53:36 C 00 57 47.24 +39 24 25.8 q H21
2015-11-04 05:01:42 C 00 57 46.46 +39 24 27.0 q H21
2015-11-06 06:15:22 C 00 53 11.65 +39 30 18.1 R G45
2015-11-06 06:25:37 C 00 53 10.70 +39 30 18.9 R G45
2015-11-06 06:34:41 C 00 53 09.85 +39 30 19.6 R G45
2015-11-06 06:44:40 C 00 53 08.86 +39 30 20.5 R G45
2015-11-07 04:47:21 C 00 51 07.69 +39 32 20.2 q G96
2015-11-07 04:54:46 C 00 51 06.98 +39 32 20.5 q G96
2015-11-07 05:02:11 C 00 51 06.29 +39 32 21.3 q G96
2015-11-07 05:09:36 C 00 51 05.58 +39 32 21.8 q G96
2015-11-20 06:57:59 C 00 25 27.85 +39 24 58.0 q 703