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
2020-01-24 05:45:38 C 01 19 15.22 +80 17 27.3 V T05
2020-01-24 05:54:19 C 01 19 18.09 +80 17 28.9 V T05
2020-01-24 06:10:52 C 01 19 23.95 +80 17 31.6 V T05
2020-01-26 07:18:18 C 01 38 54.94 +80 26 35.7 V T08
2020-01-26 07:22:37 C 01 38 56.60 +80 26 35.8 V T08
2020-01-26 07:30:08 C 01 38 59.76 +80 26 37.1 V T08
2020-01-26 07:44:23 C 01 39 05.54 +80 26 37.9 V T08
2020-01-28 06:37:28 C 02 00 28.10 +80 32 19.1 V T05
2020-01-28 06:41:00 C 02 00 29.64 +80 32 19.2 V T05
2020-01-28 06:42:41 C 02 00 30.40 +80 32 19.3 V T05
2020-01-28 06:46:12 C 02 00 32.02 +80 32 19.4 V T05
2020-01-30 05:38:08 C 02 24 26.16 +80 33 30.3 V T08
2020-01-30 05:55:45 C 02 24 34.88 +80 33 28.9 V T08
2020-01-30 07:06:14 C 02 25 10.74 +80 33 22.9 V T08
2020-01-30 07:10:24 C 02 25 12.75 +80 33 22.6 V T08
2020-01-30 07:19:46 C 02 25 17.60 +80 33 21.7 V T08
2020-01-30 07:36:00 C 02 25 26.09 +80 33 20.3 V T08
2020-02-03 09:03:10 C 03 21 34.66 +80 13 29.4 V T08
2020-02-03 09:07:50 C 03 21 37.44 +80 13 27.1 V T08
2020-02-03 09:16:36 C 03 21 42.57 +80 13 23.2 V T08
2020-02-03 09:31:18 C 03 21 51.28 +80 13 15.8 V T08
2020-02-04 15:35:33 C 03 40 16.28 +79 59 39.6 17.6 q C97
2020-02-04 15:37:44 C 03 40 17.71 +79 59 38.3 17.8 q C97
2020-02-04 15:39:55 C 03 40 18.81 +79 59 36.7 18.1 q C97
2020-02-04 15:42:07 C 03 40 20.02 +79 59 35.6 18.0 q C97
2020-02-05 08:25:31 C 03 50 29.47 +79 49 59.3 V T05
2020-02-05 08:29:33 C 03 50 31.91 +79 49 57.0 V T05
2020-02-05 08:37:03 C 03 50 36.36 +79 49 51.8 V T05
2020-02-05 09:00:32 C 03 50 50.33 +79 49 35.7 V T05
2020-02-05 09:04:32 C 03 50 52.52 +79 49 33.0 V T05
2020-02-05 09:14:32 C 03 50 58.57 +79 49 26.4 V T05
2020-02-05 09:30:30 C 03 51 08.04 +79 49 15.4 V T05
2020-02-13 03:24:40 C 05 35 09.30 +76 23 45.9 o L52
2020-02-13 03:30:25 C 05 35 12.23 +76 23 36.2 o L52
2020-02-15 08:02:29 C 05 58 54.55 +74 52 32.9 V T08
2020-02-15 08:06:31 C 05 58 56.21 +74 52 25.2 V T08
2020-02-15 08:14:30 C 05 58 59.36 +74 52 10.1 V T08
2020-02-15 08:28:37 C 05 59 05.04 +74 51 42.3 V T08
2020-02-21 08:55:07 C 06 50 40.59 +69 27 40.6 V T05
2020-02-21 08:58:26 C 06 50 41.55 +69 27 31.8 V T05
2020-02-21 09:05:25 C 06 50 43.45 +69 27 13.6 V T05
2020-02-21 09:18:39 C 06 50 47.17 +69 26 38.7 V T05
2020-02-23 01:18:28 C 07 02 10.20 +67 39 33.8 q I15
2020-02-23 01:21:39 C 07 02 11.01 +67 39 25.0 q I15
2020-02-23 01:24:50 C 07 02 11.85 +67 39 16.4 q I15
2020-02-23 08:37:12 C 07 04 06.09 +67 19 21.7 V T08
2020-02-23 08:41:51 C 07 04 07.20 +67 19 08.6 V T08
2020-02-23 08:49:48 C 07 04 09.18 +67 18 46.0 V T08
2020-02-23 09:05:46 C 07 04 13.19 +67 18 00.9 V T08
2020-02-25 17:52:10 C 07 18 20.98 +64 32 28.8 o C94