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
2020-04-17 04:41:40 C 09 40 02.76 +02 26 12.0 V 703
2020-04-17 04:49:50 C 09 40 03.42 +02 25 58.4 V 703
2020-04-17 04:58:00 C 09 40 04.00 +02 25 44.2 V 703
2020-04-18 06:26:33 C 09 42 03.869 +01 43 11.29 U F52
2020-04-18 06:45:34 C 09 42 05.276 +01 42 39.96 U F52
2020-04-18 07:04:33 C 09 42 06.682 +01 42 08.76 U F52
2020-04-21 04:07:35 C 09 47 29.16 -00 06 59.4 V 703
2020-04-21 04:15:49 C 09 47 29.76 -00 07 11.5 V 703
2020-04-21 04:24:03 C 09 47 30.40 -00 07 25.6 V 703
2020-04-21 04:32:16 C 09 47 31.00 -00 07 36.2 V 703
2020-04-24 04:46:50 C 09 53 06.66 -01 52 40.7 V 703
2020-04-24 04:55:01 C 09 53 07.22 -01 52 51.1 V 703
2020-04-24 05:03:11 C 09 53 07.84 -01 53 03.4 V 703
2020-04-24 05:11:23 C 09 53 08.46 -01 53 13.0 V 703
2020-04-24 13:48:12 C 09 53 48.48 -02 05 10.6 q D29
2020-04-24 14:06:45 C 09 53 49.84 -02 05 36.8 q D29
2020-04-24 14:25:18 C 09 53 51.23 -02 06 02.0 q D29
2020-04-25 04:46:20 C 09 54 57.91 -02 25 40.2 V G96
2020-04-25 04:54:21 C 09 54 58.51 -02 25 51.3 V G96
2020-04-25 05:02:23 C 09 54 59.11 -02 26 02.1 V G96
2020-04-25 05:10:25 C 09 54 59.69 -02 26 13.1 V G96
2020-04-27 04:36:15 C 09 58 39.40 -03 28 53.8 V 703
2020-04-27 04:43:52 C 09 58 40.06 -03 29 03.6 V 703
2020-04-27 04:51:29 C 09 58 40.54 -03 29 13.4 V 703
2020-04-27 04:59:07 C 09 58 41.10 -03 29 22.5 V 703
2020-04-27 06:00:25 C 09 58 46.244 -03 30 39.67 U F52
2020-04-27 06:18:24 C 09 58 47.567 -03 31 02.80 U F52
2020-04-27 06:36:23 C 09 58 48.890 -03 31 25.93 U F52
2020-04-29 07:34:23 C 10 02 35.13 -04 32 39.9 V T08
2020-04-29 07:39:41 C 10 02 35.54 -04 32 46.2 V T08
2020-04-29 07:54:17 C 10 02 36.59 -04 33 04.3 V T08
2020-04-29 08:01:40 C 10 02 37.14 -04 33 13.2 V T08
2020-05-26 03:33:39 C 10 52 14.70 -14 19 47.4 V G96
2020-05-26 03:41:51 C 10 52 15.32 -14 19 52.8 V G96
2020-05-26 03:50:03 C 10 52 15.93 -14 19 58.6 V G96
2020-05-26 03:58:15 C 10 52 16.55 -14 20 04.2 V G96
2023-09-21 11:30:42 C 05 43 06.467 +46 09 16.74 V G96
2023-09-21 11:36:56 C 05 43 07.363 +46 09 21.49 V G96
2023-09-21 11:43:10 C 05 43 08.231 +46 09 26.21 V G96
2023-09-21 11:49:24 C 05 43 09.278 +46 09 30.20 V G96
2023-10-19 09:34:41 C 07 43 42.301 +53 02 08.63 V G96
2023-10-19 09:42:13 C 07 43 43.907 +53 02 11.72 V G96
2023-10-19 09:49:44 C 07 43 45.509 +53 02 15.14 V G96
2023-10-19 09:57:16 C 07 43 47.161 +53 02 18.02 V G96
2023-11-01 08:51:02 C 08 54 45.241 +54 11 11.33 V G96
2023-11-01 08:57:49 C 08 54 46.937 +54 11 11.04 V G96
2023-11-01 09:11:24 C 08 54 50.116 +54 11 11.87 V G96
2023-11-11 14:22:56 C 09 53 23.480 +53 32 14.68 X F52
2023-11-11 14:42:26 C 09 53 28.001 +53 32 08.36 X F52
2023-11-11 15:01:54 C 09 53 32.545 +53 32 02.05 X F52