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
2019-12-19 18:44:24 s 1 -140016.25 1 +347708.94 3170.0 C57
2019-12-19 19:14:24 S 00 40 28.154 +78 45 36.32 V C57
2019-12-19 19:14:24 s 1 -140746.26 5 +346774.40 2490.0 C57
2019-12-19 19:44:24 S 00 40 22.162 +78 45 35.57 V C57
2019-12-19 19:44:24 s 1 -141472.72 4 +345831.36 6670.0 C57
2019-12-19 20:14:24 S 00 40 16.618 +78 45 36.36 V C57
2019-12-19 20:14:24 s 1 -142195.59 3 +344879.80 5650.0 C57
2019-12-19 20:44:24 S 00 40 12.132 +78 45 38.16 V C57
2019-12-19 20:44:24 s 1 -142914.83 8 +343919.71 9350.0 C57
2019-12-19 21:14:24 S 00 40 06.646 +78 45 27.65 V C57
2019-12-19 21:14:24 s 1 -143630.42 3 +342951.07 7700.0 C57
2019-12-19 21:44:24 S 00 39 58.915 +78 45 30.85 V C57
2019-12-19 21:44:24 s 1 -144342.31 3 +341973.86 620.0 C57
2019-12-19 23:44:24 S 00 39 38.566 +78 45 30.10 V C57
2019-12-19 23:44:24 s 1 -147152.19 8 +337979.01 6520.0 C57
2019-12-20 00:44:24 S 00 39 27.802 +78 45 28.44 V C57
2019-12-20 00:44:24 s 1 -148534.01 7 +335929.72 9910.0 C57
2019-12-20 02:14:24 S 00 39 11.976 +78 45 20.95 V C57
2019-12-20 02:14:24 s 1 -150576.99 0 +332790.50 40.0 C57
2019-12-20 03:14:24 S 00 39 02.539 +78 45 14.83 V C57
2019-12-20 03:14:24 s 1 -151918.67 5 +330653.94 2520.0 C57
2019-12-20 05:14:24 S 00 38 40.018 +78 45 25.06 V C57
2019-12-20 05:14:24 s 1 -154551.88 2 +326275.08 200.0 C57
2019-12-20 06:14:24 S 00 38 29.410 +78 45 13.75 V C57
2019-12-20 06:14:24 s 1 -155842.73 4 +324032.43 4000.0 C57
2019-12-20 06:44:24 S 00 38 24.742 +78 45 14.62 V C57
2019-12-20 06:44:24 s 1 -156481.57 2 +322897.73 5590.0 C57
2019-12-20 07:44:24 S 00 38 17.210 +78 45 20.05 V C57
2019-12-20 07:44:24 s 1 -157745.85 3 +320601.45 7650.0 C57
2019-12-20 09:44:24 S 00 37 53.292 +78 45 11.63 V C57
2019-12-20 09:44:24 s 1 -160219.55 9 +315900.71 4730.0 C57
2019-12-20 10:14:24 S 00 37 47.594 +78 45 15.08 V C57
2019-12-20 10:14:24 s 1 -160826.28 6 +314702.85 5300.0 C57
2019-12-20 11:14:24 S 00 37 37.752 +78 45 10.98 V C57
2019-12-20 11:14:24 s 1 -162025.36 6 +312279.74 3310.0 C57
2019-12-20 12:44:24 S 00 37 22.274 +78 45 05.90 V C57
2019-12-20 12:44:24 s 1 -163787.30 9 +308576.23 940.0 C57
2019-12-20 13:14:24 S 00 37 16.742 +78 45 07.31 V C57
2019-12-20 13:14:24 s 1 -164364.64 0 +307323.25 3900.0 C57
2019-12-20 13:44:24 S 00 37 15.065 +78 45 04.82 V C57
2019-12-20 13:44:24 s 1 -164936.89 3 +306061.00 8550.0 C57
2019-12-20 14:44:24 S 00 37 04.399 +78 45 06.41 V C57
2019-12-20 14:44:24 s 1 -166065.95 4 +303508.55 2480.0 C57
2019-12-20 18:14:24 S 00 36 27.931 +78 44 58.20 V C57
2019-12-20 18:14:24 s 1 -169849.69 2 +294278.50 7890.0 C57
2019-12-20 19:14:24 S 00 36 18.439 +78 44 55.97 V C57
2019-12-20 19:14:24 s 1 -170880.86 9 +291555.65 8810.0 C57
2019-12-20 20:14:24 S 00 36 09.744 +78 44 52.22 V C57
2019-12-20 20:14:24 s 1 -171888.98 7 +288794.25 790.0 C57
2019-12-20 20:44:24 S 00 36 03.881 +78 44 53.63 V C57