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
2019-12-08 00:14:24 s 1 -172239.38 8 +259289.14 9140.0 C57
2019-12-08 00:44:24 S 01 53 10.608 +77 42 10.80 V C57
2019-12-08 00:44:24 s 1 -172636.48 5 +257690.80 3520.0 C57
2019-12-08 01:14:24 S 01 53 02.753 +77 42 15.05 V C57
2019-12-08 01:14:24 s 1 -173026.25 4 +256081.50 2380.0 C57
2019-12-08 01:44:24 S 01 52 57.113 +77 42 34.56 V C57
2019-12-08 01:44:24 s 1 -173408.60 0 +254461.19 5500.0 C57
2019-12-08 02:14:24 S 01 52 49.606 +77 42 43.06 V C57
2019-12-08 02:14:24 s 1 -173783.42 7 +252829.84 2640.0 C57
2019-12-08 03:44:24 S 01 52 27.528 +77 43 16.61 V C57
2019-12-08 03:44:24 s 1 -174861.80 3 +247868.98 5890.0 C57
2019-12-08 06:14:24 S 01 51 50.854 +77 44 10.54 V C57
2019-12-08 06:14:24 s 1 -176499.20 8 +239375.23 5930.0 C57
2019-12-08 06:44:24 S 01 51 43.133 +77 44 17.38 V C57
2019-12-08 06:44:24 s 1 -176801.72 8 +237642.17 8300.0 C57
2019-12-08 07:44:24 S 01 51 28.094 +77 44 42.18 V C57
2019-12-08 07:44:24 s 1 -177380.89 2 +234141.31 7210.0 C57
2019-12-08 08:14:24 S 01 51 20.417 +77 44 52.76 V C57
2019-12-08 08:14:24 s 1 -177657.29 6 +232373.41 3190.0 C57
2019-12-08 08:44:24 S 01 51 14.210 +77 45 01.08 V C57
2019-12-08 08:44:24 s 1 -177924.75 2 +230593.78 9780.0 C57
2019-12-08 09:14:24 S 01 51 06.480 +77 45 13.68 V C57
2019-12-08 09:14:24 s 1 -178183.13 3 +228802.37 6690.0 C57
2019-12-08 09:44:24 S 01 50 58.747 +77 45 18.29 V C57
2019-12-08 09:44:24 s 1 -178432.31 1 +226999.12 3610.0 C57
2019-12-08 10:14:24 S 01 50 53.088 +77 45 31.57 V C57
2019-12-08 10:14:24 s 1 -178672.15 4 +225183.98 230.0 C57
2019-12-08 11:44:24 S 01 50 31.138 +77 45 58.14 V C57
2019-12-08 11:44:24 s 1 -179334.32 7 +219666.59 5000.0 C57
2019-12-08 12:44:24 S 01 50 17.810 +77 46 19.81 V C57
2019-12-08 12:44:24 s 1 -179726.57 3 +215927.77 7240.0 C57
2019-12-08 13:14:24 S 01 50 10.906 +77 46 36.48 V C57
2019-12-08 13:14:24 s 1 -179907.49 9 +214040.00 5030.0 C57
2019-12-08 15:44:24 S 01 49 33.319 +77 47 23.68 V C57
2019-12-08 15:44:24 s 1 -180653.95 2 +204415.18 5690.0 C57
2019-12-08 16:14:24 S 01 49 27.365 +77 47 39.59 V C57
2019-12-08 16:14:24 s 1 -180770.46 9 +202452.56 1420.0 C57
2019-12-08 17:14:24 S 01 49 15.204 +77 47 55.25 V C57
2019-12-08 17:14:24 s 1 -180969.35 9 +198489.15 7140.0 C57
2019-12-08 17:44:24 S 01 49 07.867 +77 48 04.10 V C57
2019-12-08 17:44:24 s 1 -181051.37 2 +196488.22 6270.0 C57
2019-12-08 18:14:24 S 01 48 59.266 +77 48 14.62 V C57
2019-12-08 18:14:24 s 1 -181121.51 5 +194474.38 8970.0 C57
2019-12-08 19:14:24 S 01 48 47.484 +77 48 34.27 V C57
2019-12-08 19:14:24 s 1 -181225.42 3 +190407.72 3220.0 C57
2019-12-08 22:14:24 S 01 48 05.479 +77 49 38.78 V C57
2019-12-08 22:14:24 s 1 -181231.39 2 +177890.71 910.0 C57
2019-12-08 23:14:24 S 01 47 52.282 +77 49 57.32 V C57
2019-12-08 23:14:24 s 1 -181125.62 1 +173610.79 4180.0 C57
2019-12-08 23:44:24 S 01 47 45.794 +77 50 06.47 V C57