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
2019-12-14 17:14:24 s 1 +83277.607 0 +333164.39 150.0 – C57
2019-12-14 18:44:24 S 01 09 39.878 +78 41 02.62 – V C57
2019-12-14 18:44:24 s 1 +80631.236 0 +336491.58 4710.0 – C57
2019-12-14 19:14:24 S 01 09 30.506 +78 41 10.57 – V C57
2019-12-14 19:14:24 s 1 +79743.781 0 +337579.81 1340.0 – C57
2019-12-14 20:44:24 S 01 09 03.626 +78 41 20.80 – V C57
2019-12-14 20:44:24 s 1 +77066.076 0 +340782.52 8200.0 – C57
2019-12-14 21:14:24 S 01 08 56.626 +78 41 26.02 – V C57
2019-12-14 21:14:24 s 1 +76168.548 0 +341829.57 9850.0 – C57
2019-12-14 21:44:24 S 01 08 46.999 +78 41 30.12 – V C57
2019-12-14 21:44:24 s 1 +75268.615 0 +342866.42 3040.0 – C57
2019-12-14 22:14:24 S 01 08 37.126 +78 41 35.41 – V C57
2019-12-14 22:14:24 s 1 +74366.321 0 +343893.11 7860.0 – C57
2019-12-14 22:44:24 S 01 08 30.108 +78 41 31.78 – V C57
2019-12-14 22:44:24 s 1 +73461.709 0 +344909.68 4440.0 – C57
2019-12-14 23:44:24 S 01 08 12.151 +78 41 49.42 – V C57
2019-12-14 23:44:24 s 1 +71645.703 0 +346912.58 3250.0 – C57
2019-12-15 00:44:24 S 01 07 55.231 +78 41 43.87 – V C57
2019-12-15 00:44:24 s 1 +69820.934 0 +348875.42 300.0 – C57
2019-12-15 01:14:24 S 01 07 46.219 +78 41 53.99 – V C57
2019-12-15 01:14:24 s 1 +68905.367 0 +349841.90 7170.0 – C57
2019-12-15 03:14:24 S 01 07 08.981 +78 42 10.12 – V C57
2019-12-15 03:14:24 s 1 +65222.814 0 +353609.06 9200.0 – C57
2019-12-15 03:44:24 S 01 07 02.969 +78 42 06.37 – V C57
2019-12-15 03:44:24 s 1 +64297.301 0 +354526.32 8820.0 – C57
2019-12-15 04:14:24 S 01 06 53.071 +78 42 11.45 – V C57
2019-12-15 04:14:24 s 1 +63369.914 0 +355433.83 1280.0 – C57
2019-12-15 04:44:24 S 01 06 46.445 +78 42 18.72 – V C57
2019-12-15 04:44:24 s 1 +62440.692 0 +356331.63 6660.0 – C57
2019-12-15 05:14:24 S 01 06 35.962 +78 42 17.89 – V C57
2019-12-15 05:14:24 s 1 +61509.672 0 +357219.74 5050.0 – C57
2019-12-15 05:44:24 S 01 06 27.108 +78 42 24.62 – V C57
2019-12-15 05:44:24 s 1 +60576.890 0 +358098.20 6550.0 – C57
2019-12-15 06:14:24 S 01 06 21.288 +78 42 25.16 – V C57
2019-12-15 06:14:24 s 1 +59642.382 0 +358967.04 1230.0 – C57
2019-12-15 07:44:24 S 01 05 51.991 +78 42 34.20 – V C57
2019-12-15 07:44:24 s 1 +56828.864 0 +361516.14 5300.0 – C57
2019-12-15 08:14:24 S 01 05 46.358 +78 42 34.85 – V C57
2019-12-15 08:14:24 s 1 +55887.810 0 +362346.79 3610.0 – C57
2019-12-15 09:14:24 S 01 05 28.838 +78 42 49.07 – V C57
2019-12-15 09:14:24 s 1 +54001.088 0 +363979.71 1160.0 – C57
2019-12-15 09:44:24 S 01 05 20.482 +78 42 56.30 – V C57
2019-12-15 09:44:24 s 1 +53055.488 0 +364782.03 550.0 – C57
2019-12-15 11:14:24 S 01 04 55.838 +78 42 57.60 – V C57
2019-12-15 11:14:24 s 1 +50210.127 0 +367132.75 2210.0 – C57
2019-12-15 12:14:24 S 01 04 38.194 +78 43 02.89 – V C57
2019-12-15 12:14:24 s 1 +48306.413 0 +368653.32 6980.0 – C57
2019-12-15 12:44:24 S 01 04 28.366 +78 43 11.42 – V C57
2019-12-15 12:44:24 s 1 +47352.610 0 +369399.71 700.0 – C57
2019-12-15 13:44:24 S 01 04 14.088 +78 43 15.13 – V C57