2011 UJ21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2734005968 ± 1.27e+01
Semi-major axis (a)0.9730612911 AU ± 3.25e+01
Inclination (i)27.74489663° ± 2.06e+03
Long. of Asc. Node (Ω)30.15728651° ± 1.02e+03
Arg. of Perihelion (ω)117.87584869° ± 6.13e+03
Mean Anomaly (M)166.35133293° ± 2.63e+05
Mean Motion (n)1.0287240200°/day ± 5.15e+01
Perihelion dist (q)0.70466540 AU ± 2.67e+01
Aphelion dist (Q)1.23905340 AU ± 4.32e+01
Orbital Period0.95808750 yr ± 4.80e+01
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.377″
Uncertainty4
Orbit TypeAten
MOID0.031169 AU
Observations Used30
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-29
Observations (30)
Date Type RA Dec Mag Band Observatory
2011-10-20 10:04:10 C 04 53 04.84 +10 43 23.1 r 703
2011-10-20 10:11:30 C 04 53 04.84 +10 45 08.7 r 703
2011-10-20 10:18:57 C 04 53 04.77 +10 46 55.0 r 703
2011-10-20 10:26:23 C 04 53 04.77 +10 48 45.1 r 703
2011-10-20 11:05:02 C 04 53 04.34 +10 57 59.5 r 703
2011-10-20 11:05:49 C 04 53 04.27 +10 58 11.6 r 703
2011-10-20 11:06:37 C 04 53 04.34 +10 58 22.3 r 703
2011-10-20 11:50:28 C 04 53 04.05 +11 09 00.3 r 703
2011-10-20 11:52:09 C 04 53 04.06 +11 09 24.3 r 703
2011-10-21 02:23:02 C 04 53 32.52 +14 56 37.7 t 204
2011-10-21 02:34:02 C 04 53 32.46 +14 59 42.9 t 204
2011-10-21 07:23:38 C 04 53 48.36 +16 23 27.0 c 854
2011-10-21 07:31:15 C 04 53 48.32 +16 25 43.0 c 854
2011-10-21 09:17:50 C 04 53 44.28 +16 57 16.1 t H21
2011-10-21 09:21:53 C 04 53 44.23 +16 58 29.2 t H21
2011-10-21 09:25:56 C 04 53 44.22 +16 59 41.9 t H21
2011-10-21 09:29:59 C 04 53 44.21 +17 00 55.0 t H21
2011-10-21 10:04:30 C 04 53 45.13 +17 11 22.0 u H36
2011-10-21 10:08:17 C 04 53 45.12 +17 12 29.6 u H36
2011-10-21 10:12:05 C 04 53 45.10 +17 13 39.0 u H36
2011-10-22 09:02:06 C 04 54 34.34 +24 57 42.1 t H21
2011-10-22 09:07:46 C 04 54 34.33 +24 59 49.6 t H21
2011-10-22 09:13:27 C 04 54 34.32 +25 01 58.2 t H21
2011-10-22 09:18:59 C 04 54 34.23 +25 04 03.7 t H21
2011-10-25 08:08:43 C 04 59 41.16 +59 42 00.4 u H21
2011-10-25 08:13:35 C 04 59 41.36 +59 44 44.7 u H21
2011-10-25 08:17:55 C 04 59 41.58 +59 47 10.5 u H21
2011-10-29 00:58:34 C 16 34 26.53 +79 17 18.4 o H21
2011-10-29 01:09:21 C 16 34 32.35 +79 13 46.3 o H21
2011-10-29 01:20:47 C 16 34 38.79 +79 10 01.7 o H21