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
2019-11-30 23:44:24 s 1 +108796.59 2 +290670.77 8060.0 – C57
2019-12-01 01:14:24 S 02 38 22.378 +76 09 00.22 – V C57
2019-12-01 01:14:24 s 1 +106535.82 3 +294994.86 6660.0 – C57
2019-12-01 01:44:24 S 02 38 13.558 +76 09 30.02 – V C57
2019-12-01 01:44:24 s 1 +105773.38 9 +296412.24 4880.0 – C57
2019-12-01 02:14:24 S 02 38 06.151 +76 09 43.60 – V C57
2019-12-01 02:14:24 s 1 +105006.65 6 +297817.72 7820.0 – C57
2019-12-01 02:44:24 S 02 37 57.413 +76 10 07.68 – V C57
2019-12-01 02:44:24 s 1 +104235.69 7 +299211.37 5710.0 – C57
2019-12-01 03:14:24 S 02 37 49.339 +76 10 34.07 – V C57
2019-12-01 03:14:24 s 1 +103460.58 4 +300593.25 8760.0 – C57
2019-12-01 03:44:24 S 02 37 40.954 +76 10 53.47 – V C57
2019-12-01 03:44:24 s 1 +102681.38 6 +301963.42 7190.0 – C57
2019-12-01 04:14:24 S 02 37 32.165 +76 11 23.57 – V C57
2019-12-01 04:14:24 s 1 +101898.17 2 +303321.93 1210.0 – C57
2019-12-01 05:14:24 S 02 37 15.226 +76 12 09.68 – V C57
2019-12-01 05:14:24 s 1 +100319.96 6 +306004.23 6860.0 – C57
2019-12-01 05:44:24 S 02 37 08.933 +76 12 29.56 – V C57
2019-12-01 05:44:24 s 1 +99525.105 0 +307328.12 8890.0 – C57
2019-12-01 06:44:24 S 02 36 51.439 +76 13 26.18 – V C57
2019-12-01 06:44:24 s 1 +97924.190 0 +309941.68 2350.0 – C57
2019-12-01 07:14:24 S 02 36 44.244 +76 13 43.50 – V C57
2019-12-01 07:14:24 s 1 +97118.260 0 +311231.45 4160.0 – C57
2019-12-01 07:44:24 S 02 36 36.329 +76 14 07.51 – V C57
2019-12-01 07:44:24 s 1 +96308.765 0 +312509.96 2950.0 – C57
2019-12-01 08:14:24 S 02 36 27.394 +76 14 26.34 – V C57
2019-12-01 08:14:24 s 1 +95495.763 0 +313777.25 8900.0 – C57
2019-12-01 08:44:24 S 02 36 19.044 +76 14 49.24 – V C57
2019-12-01 08:44:24 s 1 +94679.314 0 +315033.37 2190.0 – C57
2019-12-01 09:44:24 S 02 36 01.639 +76 15 46.44 – V C57
2019-12-01 09:44:24 s 1 +93036.307 0 +317512.33 1510.0 – C57
2019-12-01 11:14:24 S 02 35 38.362 +76 16 52.32 – V C57
2019-12-01 11:14:24 s 1 +90547.366 0 +321148.30 4930.0 – C57
2019-12-01 11:44:24 S 02 35 28.920 +76 17 11.11 – V C57
2019-12-01 11:44:24 s 1 +89711.424 0 +322338.49 5930.0 – C57
2019-12-01 13:44:24 S 02 34 55.498 +76 18 40.93 – V C57
2019-12-01 13:44:24 s 1 +86337.585 0 +326991.48 6900.0 – C57
2019-12-01 14:14:24 S 02 34 49.735 +76 19 03.79 – V C57
2019-12-01 14:14:24 s 1 +85486.862 0 +328128.02 2170.0 – C57
2019-12-01 14:44:24 S 02 34 39.629 +76 19 30.00 – V C57
2019-12-01 14:44:24 s 1 +84633.333 0 +329253.96 6750.0 – C57
2019-12-01 15:14:24 S 02 34 31.018 +76 19 49.48 – V C57
2019-12-01 15:14:24 s 1 +83777.046 0 +330369.34 800.0 – C57
2019-12-01 17:14:24 S 02 33 59.126 +76 21 19.44 – V C57
2019-12-01 17:14:24 s 1 +80325.267 0 +334726.19 4540.0 – C57
2019-12-01 18:44:24 S 02 33 33.818 +76 22 22.55 – V C57
2019-12-01 18:44:24 s 1 +77709.747 0 +337885.05 6210.0 – C57
2019-12-01 21:44:24 S 02 32 44.083 +76 24 34.52 – V C57
2019-12-01 21:44:24 s 1 +72415.178 0 +343927.61 8730.0 – C57
2019-12-02 00:14:24 S 02 32 03.089 +76 26 26.02 – V C57