IAA RAS IAA Minor Planet Database

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
2019-12-02 00:14:24 s 1 +67943.593 0 +348687.57 9840.0 – C57
2019-12-02 00:44:24 S 02 31 55.459 +76 26 40.06 – V C57
2019-12-02 00:44:24 s 1 +67043.260 0 +349609.92 9390.0 – C57
2019-12-02 01:14:24 S 02 31 45.451 +76 27 13.82 – V C57
2019-12-02 01:14:24 s 1 +66141.008 0 +350522.48 990.0 – C57
2019-12-02 02:14:24 S 02 31 29.868 +76 27 52.92 – V C57
2019-12-02 02:14:24 s 1 +64330.898 0 +352318.31 770.0 – C57
2019-12-02 04:14:24 S 02 30 56.177 +76 29 23.71 – V C57
2019-12-02 04:14:24 s 1 +60689.241 0 +355793.78 9710.0 – C57
2019-12-02 04:44:24 S 02 30 47.957 +76 29 38.47 – V C57
2019-12-02 04:44:24 s 1 +59774.564 0 +356638.62 8690.0 – C57
2019-12-02 05:14:24 S 02 30 38.014 +76 29 57.34 – V C57
2019-12-02 05:14:24 s 1 +58858.250 0 +357473.91 570.0 – C57
2019-12-02 06:44:24 S 02 30 14.846 +76 31 05.92 – V C57
2019-12-02 06:44:24 s 1 +56099.816 0 +359922.75 4640.0 – C57
2019-12-02 07:44:24 S 02 29 59.261 +76 31 41.92 – V C57
2019-12-02 07:44:24 s 1 +54253.276 0 +361508.09 7040.0 – C57
2019-12-02 08:14:24 S 02 29 50.870 +76 32 02.76 – V C57
2019-12-02 08:14:24 s 1 +53327.826 0 +362286.67 8440.0 – C57
2019-12-02 10:44:24 S 02 29 07.056 +76 33 46.26 – V C57
2019-12-02 10:44:24 s 1 +48680.021 0 +366039.77 1160.0 – C57
2019-12-02 11:44:24 S 02 28 51.876 +76 34 27.34 – V C57
2019-12-02 11:44:24 s 1 +46811.870 0 +367476.26 3970.0 – C57
2019-12-02 12:44:24 S 02 28 36.622 +76 35 05.93 – V C57
2019-12-02 12:44:24 s 1 +44938.913 0 +368876.05 3690.0 – C57
2019-12-02 14:14:24 S 02 28 10.224 +76 36 13.54 – V C57
2019-12-02 14:14:24 s 1 +42120.968 0 +370907.34 1490.0 – C57
2019-12-02 17:44:24 S 02 27 11.038 +76 38 34.22 – V C57
2019-12-02 17:44:24 s 1 +35509.931 0 +375331.00 9740.0 – C57
2019-12-02 19:14:24 S 02 26 47.086 +76 39 29.20 – V C57
2019-12-02 19:14:24 s 1 +32663.015 0 +377092.83 5670.0 – C57
2019-12-02 20:44:24 S 02 26 21.706 +76 40 34.82 – V C57
2019-12-02 20:44:24 s 1 +29808.942 0 +378775.05 630.0 – C57
2019-12-02 21:44:24 S 02 26 05.842 +76 41 16.55 – V C57
2019-12-02 21:44:24 s 1 +27902.585 0 +379852.55 2160.0 – C57
2019-12-03 02:14:24 S 02 24 51.118 +76 43 59.05 – V C57
2019-12-03 02:14:24 s 1 +19293.561 0 +384270.16 290.0 – C57
2019-12-03 04:44:24 S 02 24 09.677 +76 45 42.48 – V C57
2019-12-03 04:44:24 s 1 +14493.659 0 +386422.68 6070.0 – C57
2019-12-03 05:44:24 S 02 23 53.539 +76 46 15.64 – V C57
2019-12-03 05:44:24 s 1 +12571.130 0 +387223.93 9370.0 – C57
2019-12-03 06:14:24 S 02 23 45.002 +76 46 38.24 – V C57
2019-12-03 06:14:24 s 1 +11609.404 0 +387611.81 6340.0 – C57
2019-12-03 07:14:24 S 02 23 26.618 +76 47 15.61 – V C57
2019-12-03 08:14:24 S 02 23 10.992 +76 47 54.28 – V C57
2019-12-03 09:14:24 S 02 22 53.844 +76 48 31.97 – V C57
2019-12-03 09:44:24 S 02 22 46.253 +76 48 50.62 – V C57
2019-12-03 10:14:24 S 02 22 37.858 +76 49 08.47 – V C57
2019-12-03 10:34:48 C 02 25 54.66 +76 41 08.5 – V T05
2019-12-03 10:38:54 C 02 25 53.53 +76 41 11.4 – V T05