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
2019-12-17 05:14:24 s 1 -31714.945 0 +400976.84 5970.0 – C57
2019-12-17 05:44:24 S 00 53 45.406 +78 45 46.94 – V C57
2019-12-17 05:44:24 s 1 -32686.948 0 +401027.28 4350.0 – C57
2019-12-17 06:44:24 S 00 53 32.638 +78 45 45.47 – V C57
2019-12-17 06:44:24 s 1 -34628.888 0 +401104.22 7790.0 – C57
2019-12-17 07:14:24 S 00 53 24.259 +78 45 52.42 – V C57
2019-12-17 07:14:24 s 1 -35598.786 0 +401130.73 2940.0 – C57
2019-12-17 07:44:24 S 00 53 16.699 +78 45 42.37 – V C57
2019-12-17 07:44:24 s 1 -36567.942 0 +401149.28 7090.0 – C57
2019-12-17 08:14:24 S 00 53 08.683 +78 45 47.27 – V C57
2019-12-17 08:14:24 s 1 -37536.338 0 +401159.86 300.0 – C57
2019-12-17 09:14:24 S 00 52 54.168 +78 45 49.86 – V C57
2019-12-17 09:14:24 s 1 -39470.770 0 +401157.18 4060.0 – C57
2019-12-17 10:14:24 S 00 52 39.634 +78 45 49.86 – V C57
2019-12-17 10:14:24 s 1 -41401.925 0 +401122.74 4570.0 – C57
2019-12-17 10:44:24 S 00 52 33.026 +78 45 53.06 – V C57
2019-12-17 10:44:24 s 1 -42366.225 0 +401093.61 3710.0 – C57
2019-12-17 11:14:24 S 00 52 26.484 +78 45 54.25 – V C57
2019-12-17 11:14:24 s 1 -43329.647 0 +401056.56 2180.0 – C57
2019-12-17 11:44:24 S 00 52 19.675 +78 45 53.17 – V C57
2019-12-17 11:44:24 s 1 -44292.173 0 +401011.60 20.0 – C57
2019-12-17 12:14:24 S 00 52 11.124 +78 45 51.08 – V C57
2019-12-17 12:14:24 s 1 -45253.782 0 +400958.71 7260.0 – C57
2019-12-17 12:44:24 S 00 52 03.562 +78 45 56.38 – V C57
2019-12-17 12:44:24 s 1 -46214.455 0 +400897.91 3960.0 – C57
2019-12-17 13:14:24 S 00 51 57.598 +78 45 55.80 – V C57
2019-12-17 13:14:24 s 1 -47174.173 0 +400829.20 160.0 – C57
2019-12-17 14:14:24 S 00 51 42.588 +78 46 00.08 – V C57
2019-12-17 14:14:24 s 1 -49090.665 0 +400668.09 1230.0 – C57
2019-12-17 14:44:24 S 00 51 36.605 +78 45 55.98 – V C57
2019-12-17 14:44:24 s 1 -50047.400 0 +400575.68 6180.0 – C57
2019-12-17 15:14:24 S 00 51 29.652 +78 45 53.86 – V C57
2019-12-17 15:14:24 s 1 -51003.103 0 +400475.38 820.0 – C57
2019-12-17 18:14:24 S 00 50 46.834 +78 46 02.39 – V C57
2019-12-17 18:14:24 s 1 -56714.533 0 +399708.05 4240.0 – C57
2019-12-17 18:44:24 S 00 50 37.654 +78 46 03.25 – V C57
2019-12-17 18:44:24 s 1 -57662.459 0 +399552.60 7830.0 – C57
2019-12-17 19:14:24 S 00 50 30.989 +78 46 01.24 – V C57
2019-12-17 19:14:24 s 1 -58609.196 0 +399389.27 1450.0 – C57
2019-12-17 19:44:24 S 00 50 24.670 +78 45 59.90 – V C57
2019-12-17 19:44:24 s 1 -59554.725 0 +399218.08 5140.0 – C57
2019-12-17 22:14:24 S 00 49 49.769 +78 46 03.00 – V C57
2019-12-17 22:14:24 s 1 -64263.554 0 +398244.19 6180.0 – C57
2019-12-17 22:44:24 S 00 49 43.322 +78 45 58.18 – V C57
2019-12-17 22:44:24 s 1 -65201.419 0 +398025.83 1210.0 – C57
2019-12-17 23:14:24 S 00 49 38.021 +78 45 58.46 – V C57
2019-12-17 23:14:24 s 1 -66137.938 0 +397799.62 6630.0 – C57
2019-12-18 01:44:24 S 00 48 57.763 +78 45 58.64 – V C57
2019-12-18 01:44:24 s 1 -70799.643 0 +396550.73 9020.0 – C57
2019-12-18 03:14:24 S 00 48 42.374 +78 46 06.85 – V C57