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
2023-11-22 20:30:02 C 10 54 36.95 +51 05 08.8 X N88
2023-11-22 21:15:06 C 10 54 46.51 +51 04 37.4 X N88
2023-11-22 22:00:07 C 10 54 55.98 +51 04 05.1 X N88
2023-12-08 11:06:39 C 12 05 52.966 +45 04 20.24 V 703
2023-12-08 11:09:45 C 12 05 53.390 +45 04 17.36 V 703
2023-12-08 11:15:56 C 12 05 54.380 +45 04 10.60 V 703
2023-12-13 13:54:56 C 12 25 11.371 +42 35 34.19 V T05
2023-12-13 13:59:31 C 12 25 11.976 +42 35 26.27 V T05
2023-12-13 14:28:18 C 12 25 16.229 +42 34 52.82 V T05
2023-12-13 14:35:50 C 12 25 17.417 +42 34 43.61 V T05
2023-12-14 12:42:50 C 12 28 32.848 +42 06 35.42 V 703
2023-12-14 12:48:53 C 12 28 33.661 +42 06 28.44 V 703
2023-12-14 12:51:54 C 12 28 34.054 +42 06 24.62 V 703
2023-12-25 13:42:28 C 13 02 59.870 +36 03 37.15 V T05
2023-12-25 14:01:57 C 13 03 01.999 +36 03 11.09 V T05
2023-12-25 15:02:13 C 13 03 08.698 +36 01 43.28 V T05
2023-12-25 15:10:46 C 13 03 09.624 +36 01 31.08 V T05
2023-12-30 14:03:58 C 13 16 01.378 +33 04 33.56 V T08
2023-12-30 14:12:22 C 13 16 02.251 +33 04 20.68 V T08
2023-12-30 14:19:16 C 13 16 02.882 +33 04 10.42 V T08
2023-12-30 14:26:37 C 13 16 03.590 +33 03 59.47 V T08
2023-12-30 14:28:37 C 13 16 03.811 +33 03 56.74 V T08
2024-01-01 11:31:11 C 13 20 33.072 +31 54 49.75 V G96
2024-01-01 11:38:31 C 13 20 33.767 +31 54 38.52 V G96
2024-01-01 11:45:52 C 13 20 34.451 +31 54 27.25 V G96
2024-01-01 11:53:12 C 13 20 35.142 +31 54 15.91 V G96
2024-01-07 14:02:31 C 13 33 46.644 +28 03 02.02 V T08
2024-01-07 14:17:01 C 13 33 47.815 +28 02 38.83 V T08
2024-01-07 14:21:40 C 13 33 48.146 +28 02 31.42 V T08
2024-01-07 14:29:41 C 13 33 48.826 +28 02 19.36 V T08
2024-01-14 14:35:21 C 13 46 28.603 +23 23 07.98 V T08
2024-01-14 14:38:00 C 13 46 28.740 +23 23 03.23 V T08
2024-01-14 14:42:39 C 13 46 29.071 +23 22 55.31 V T08
2024-01-14 15:00:02 C 13 46 30.130 +23 22 26.04 V T08
2024-01-15 10:51:35 C 13 47 49.823 +22 48 26.60 V 703
2024-01-15 10:54:56 C 13 47 49.945 +22 48 19.73 V 703
2024-01-15 10:58:18 C 13 47 50.190 +22 48 14.65 V 703
2024-01-15 11:01:38 C 13 47 50.460 +22 48 08.03 V 703
2024-01-15 14:01:43 C 13 48 02.251 +22 43 03.72 V T08
2024-01-15 14:20:39 C 13 48 03.466 +22 42 31.00 V T08
2024-01-15 14:28:33 C 13 48 03.919 +22 42 17.68 V T08
2024-01-15 14:34:45 C 13 48 04.308 +22 42 07.16 V T08
2024-01-17 11:57:01 C 13 50 56.627 +21 23 41.68 V 703
2024-01-17 12:00:16 C 13 50 56.839 +21 23 36.42 V 703
2024-01-17 12:03:31 C 13 50 56.972 +21 23 30.08 V 703
2024-01-17 12:06:46 C 13 50 57.178 +21 23 26.09 V 703
2024-01-18 12:53:07 C 13 52 27.166 +20 40 11.82 V T08
2024-01-18 12:58:28 C 13 52 27.432 +20 40 03.14 V T08
2024-01-18 13:08:08 C 13 52 28.046 +20 39 46.30 V T08
2024-01-18 13:21:37 C 13 52 28.776 +20 39 22.79 V T08