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
2019-12-06 16:14:24 s 1 -134917.69 8 +340557.87 9430.0 – C57
2019-12-06 16:44:24 S 02 01 15.974 +77 29 44.70 – V C57
2019-12-06 16:44:24 s 1 -135642.63 9 +339585.28 4820.0 – C57
2019-12-06 17:14:24 S 02 01 10.169 +77 29 53.30 – V C57
2019-12-06 17:14:24 s 1 -136364.02 9 +338603.79 3550.0 – C57
2019-12-06 19:14:24 S 02 00 37.450 +77 30 40.61 – V C57
2019-12-06 19:14:24 s 1 -139213.31 5 +334588.31 210.0 – C57
2019-12-06 19:44:24 S 02 00 31.186 +77 30 49.79 – V C57
2019-12-06 19:44:24 s 1 -139916.37 5 +333561.96 4350.0 – C57
2019-12-06 20:14:24 S 02 00 23.076 +77 31 08.22 – V C57
2019-12-06 20:14:24 s 1 -140615.65 2 +332526.58 1300.0 – C57
2019-12-06 21:44:24 S 01 59 59.484 +77 31 47.24 – V C57
2019-12-06 21:44:24 s 1 -142690.37 9 +329365.99 8040.0 – C57
2019-12-07 02:14:24 S 01 58 48.960 +77 33 38.84 – V C57
2019-12-07 02:14:24 s 1 -148696.74 5 +319388.77 8300.0 – C57
2019-12-07 02:44:24 S 01 58 41.774 +77 33 49.97 – V C57
2019-12-07 02:44:24 s 1 -149342.99 7 +318233.78 2770.0 – C57
2019-12-07 03:14:24 S 01 58 34.337 +77 34 02.32 – V C57
2019-12-07 03:14:24 s 1 -149984.85 4 +317069.41 8620.0 – C57
2019-12-07 04:14:24 S 01 58 17.714 +77 34 24.67 – V C57
2019-12-07 04:14:24 s 1 -151255.19 8 +314712.43 4020.0 – C57
2019-12-07 04:44:24 S 01 58 08.772 +77 34 32.95 – V C57
2019-12-07 04:44:24 s 1 -151883.58 6 +313519.77 3340.0 – C57
2019-12-07 06:14:24 S 01 57 48.434 +77 35 08.88 – V C57
2019-12-07 06:14:24 s 1 -153741.01 8 +309884.75 6400.0 – C57
2019-12-07 07:14:24 S 01 57 31.985 +77 35 33.94 – V C57
2019-12-07 07:14:24 s 1 -154955.68 1 +307413.59 1480.0 – C57
2019-12-07 07:44:24 S 01 57 24.456 +77 35 48.80 – V C57
2019-12-07 07:44:24 s 1 -155555.76 7 +306163.58 4560.0 – C57
2019-12-07 09:44:24 S 01 56 55.548 +77 36 31.07 – V C57
2019-12-07 09:44:24 s 1 -157906.54 4 +301066.58 7550.0 – C57
2019-12-07 10:44:24 S 01 56 39.934 +77 36 52.49 – V C57
2019-12-07 10:44:24 s 1 -159051.40 5 +298459.48 2600.0 – C57
2019-12-07 11:14:24 S 01 56 31.747 +77 37 03.50 – V C57
2019-12-07 11:14:24 s 1 -159616.00 1 +297141.17 4290.0 – C57
2019-12-07 12:14:24 S 01 56 16.234 +77 37 26.18 – V C57
2019-12-07 12:14:24 s 1 -160729.22 6 +294474.86 5290.0 – C57
2019-12-07 12:44:24 S 01 56 08.842 +77 37 34.72 – V C57
2019-12-07 12:44:24 s 1 -161277.73 3 +293126.79 4320.0 – C57
2019-12-07 13:14:24 S 01 56 00.977 +77 37 44.33 – V C57
2019-12-07 13:14:24 s 1 -161820.75 3 +291768.73 2180.0 – C57
2019-12-07 14:44:24 S 01 55 39.134 +77 38 24.90 – V C57
2019-12-07 14:44:24 s 1 -163416.25 4 +287634.28 7190.0 – C57
2019-12-07 19:14:24 S 01 54 31.174 +77 40 08.72 – V C57
2019-12-07 19:14:24 s 1 -167884.93 4 +274679.87 8150.0 – C57
2019-12-07 22:14:24 S 01 53 46.898 +77 41 16.87 – V C57
2019-12-07 22:14:24 s 1 -170579.53 8 +265573.86 750.0 – C57
2019-12-07 23:14:24 S 01 53 31.435 +77 41 38.04 – V C57
2019-12-07 23:14:24 s 1 -171423.57 5 +262453.14 4690.0 – C57
2019-12-08 00:14:24 S 01 53 16.956 +77 42 01.55 – V C57