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
2019-12-21 13:44:24 s 1 -185187.08 9 +233925.79 7580.0 C57
2019-12-21 15:14:24 S 00 33 19.632 +78 44 23.86 V C57
2019-12-21 15:14:24 s 1 -185878.48 8 +228615.29 5810.0 C57
2019-12-21 16:14:24 S 00 33 12.230 +78 44 25.12 V C57
2019-12-21 16:14:24 s 1 -186293.10 7 +225018.54 2670.0 C57
2019-12-21 16:44:24 S 00 33 05.810 +78 44 24.25 V C57
2019-12-21 16:44:24 s 1 -186486.14 4 +223203.08 9720.0 C57
2019-12-21 17:14:24 S 00 33 02.976 +78 44 20.62 V C57
2019-12-21 17:14:24 s 1 -186669.49 1 +221376.16 8800.0 C57
2019-12-21 17:44:24 S 00 32 59.477 +78 44 18.49 V C57
2019-12-21 17:44:24 s 1 -186843.01 5 +219537.73 9650.0 C57
2019-12-21 18:14:24 S 00 32 53.695 +78 44 19.00 V C57
2019-12-21 18:14:24 s 1 -187006.57 8 +217687.73 1960.0 C57
2019-12-21 19:14:24 S 00 32 45.780 +78 44 15.68 V C57
2019-12-21 19:14:24 s 1 -187303.26 0 +213952.80 9790.0 C57
2019-12-21 19:44:24 S 00 32 43.637 +78 44 21.19 V C57
2019-12-21 19:44:24 s 1 -187436.08 9 +212067.75 4700.0 C57
2019-12-21 22:44:24 S 00 32 19.846 +78 44 20.08 V C57
2019-12-21 22:44:24 s 1 -188006.29 7 +200507.72 7640.0 C57
2019-12-21 23:14:24 S 00 32 15.470 +78 44 19.90 V C57
2019-12-21 23:14:24 s 1 -188062.03 2 +198538.86 7170.0 C57
2019-12-21 23:44:24 S 00 32 13.174 +78 44 20.33 V C57
2019-12-21 23:44:24 s 1 -188106.08 6 +196557.79 4520.0 C57
2019-12-22 00:44:24 S 00 32 04.920 +78 44 18.67 V C57
2019-12-22 00:44:24 s 1 -188158.43 5 +192558.76 1110.0 C57
2019-12-22 01:14:24 S 00 32 01.116 +78 44 17.77 V C57
2019-12-22 01:14:24 s 1 -188166.36 0 +190540.67 9570.0 C57
2019-12-22 04:44:24 S 00 31 35.914 +78 44 12.73 V C57
2019-12-22 04:44:24 s 1 -187862.75 1 +176061.32 8920.0 C57
2019-12-29 05:58:46 C 00 11 38.19 +78 49 57.7 V T08
2019-12-29 06:03:30 C 00 11 37.63 +78 49 57.5 V T08
2019-12-29 06:12:11 C 00 11 36.73 +78 49 56.9 V T08
2019-12-29 06:28:55 C 00 11 34.87 +78 49 56.3 V T08
2020-01-06 05:28:56 C 00 05 01.02 +78 55 33.8 V T08
2020-01-06 05:33:01 C 00 05 01.14 +78 55 34.4 V T08
2020-01-06 05:40:25 C 00 05 01.15 +78 55 34.7 V T08
2020-01-06 05:55:17 C 00 05 01.03 +78 55 34.8 V T08
2020-01-20 06:49:33 C 00 49 13.94 +79 55 17.3 V T05
2020-01-20 06:54:13 C 00 49 15.27 +79 55 18.1 V T05
2020-01-20 07:02:56 C 00 49 17.38 +79 55 19.2 V T05
2020-01-20 07:17:07 C 00 49 20.88 +79 55 22.3 V T05
2020-01-20 07:35:47 C 00 49 25.43 +79 55 25.6 V T05
2020-01-20 07:41:16 C 00 49 27.18 +79 55 26.5 V T05
2020-01-20 07:49:15 C 00 49 29.25 +79 55 27.9 V T05
2020-01-20 08:05:01 C 00 49 32.99 +79 55 30.5 V T05
2020-01-22 05:52:31 C 01 02 54.21 +80 06 41.5 V T08
2020-01-22 05:57:50 C 01 02 55.75 +80 06 42.0 V T08
2020-01-22 06:09:47 C 01 02 59.21 +80 06 44.5 V T08
2020-01-22 06:24:38 C 01 03 03.55 +80 06 47.2 V T08
2020-01-24 05:40:55 C 01 19 13.88 +80 17 26.6 V T05