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
2020-03-23 23:18:09 C 08 50 58.27 +26 03 43.3 V L18
2020-03-24 04:55:58 C 08 51 31.08 +25 45 33.3 V 703
2020-03-24 05:04:16 C 08 51 31.81 +25 45 06.4 V 703
2020-03-24 05:12:33 C 08 51 32.54 +25 44 39.2 V 703
2020-03-24 05:20:51 C 08 51 33.30 +25 44 12.4 V 703
2020-03-25 07:13:02 C 08 53 59.78 +24 21 12.6 V T08
2020-03-25 07:20:37 C 08 54 00.43 +24 20 48.5 V T08
2020-03-25 07:37:25 C 08 54 01.88 +24 19 55.0 V T08
2020-03-25 07:41:32 C 08 54 02.25 +24 19 42.0 V T08
2020-03-28 19:00:18 C 09 01 38.33 +20 05 09.8 t L04
2020-03-28 19:07:09 C 09 01 38.91 +20 04 49.6 t L04
2020-03-28 19:14:25 C 09 01 39.54 +20 04 28.1 t L04
2020-03-28 22:03:05 C 09 01 54.04 +19 56 15.1 V 160
2020-03-28 22:06:44 C 09 01 54.36 +19 56 04.2 V 160
2020-03-28 22:10:20 C 09 01 54.64 +19 55 53.6 V 160
2020-04-01 22:16:45 C 09 10 17.50 +15 29 02.5 V 160
2020-04-01 22:20:12 C 09 10 17.81 +15 28 53.7 V 160
2020-04-01 22:23:39 C 09 10 18.09 +15 28 44.5 V 160
2020-04-02 22:00:15 C 09 12 18.80 +14 27 24.1 V 160
2020-04-02 22:03:42 C 09 12 19.05 +14 27 15.3 V 160
2020-04-02 22:07:08 C 09 12 19.35 +14 27 06.6 V 160
2020-04-06 14:25:43 C 09 19 41.89 +10 52 03.8 q D29
2020-04-06 14:45:48 C 09 19 43.45 +10 51 17.6 q D29
2020-04-06 15:05:54 C 09 19 45.08 +10 50 30.9 q D29
2020-04-07 02:07:52 C 09 20 39.93 +10 25 10.0 q I15
2020-04-07 02:12:03 C 09 20 40.26 +10 25 00.4 q I15
2020-04-07 02:16:15 C 09 20 40.59 +10 24 51.3 q I15
2020-04-10 08:04:54 C 09 26 59.79 +07 35 41.8 V T08
2020-04-10 08:09:15 C 09 27 00.17 +07 35 32.9 V T08
2020-04-10 08:17:21 C 09 27 00.76 +07 35 16.4 V T08
2020-04-10 08:32:00 C 09 27 01.90 +07 34 45.8 V T08
2020-04-10 21:53:48 C 09 28 06.36 +07 07 09.9 V 160
2020-04-10 21:58:51 C 09 28 06.77 +07 06 59.6 V 160
2020-04-10 22:03:55 C 09 28 07.13 +07 06 49.6 V 160
2020-04-11 21:05:42 C 09 29 57.91 +06 20 30.6 V 160
2020-04-11 21:10:47 C 09 29 58.28 +06 20 20.8 V 160
2020-04-11 21:15:54 C 09 29 58.68 +06 20 10.6 V 160
2020-04-11 21:16:29 C 09 29 58.88 +06 20 07.8 V A16
2020-04-11 21:32:03 C 09 30 00.04 +06 19 37.1 V A16
2020-04-11 21:47:36 C 09 30 01.22 +06 19 06.2 V A16
2020-04-11 22:03:10 C 09 30 02.43 +06 18 35.4 V A16
2020-04-13 04:33:08 C 09 32 28.28 +05 19 22.0 V 703
2020-04-13 04:40:40 C 09 32 28.84 +05 19 07.6 V 703
2020-04-13 04:48:12 C 09 32 29.37 +05 18 53.2 V 703
2020-04-13 04:55:45 C 09 32 29.98 +05 18 38.2 V 703
2020-04-16 04:25:07 C 09 38 08.78 +03 08 02.0 U I41
2020-04-16 04:28:23 C 09 38 09.03 +03 07 56.3 U I41
2020-04-16 05:04:57 C 09 38 11.76 +03 06 52.2 U I41
2020-04-16 05:06:16 C 09 38 11.86 +03 06 50.0 U I41
2020-04-17 04:33:30 C 09 40 02.13 +02 26 26.4 V 703