2009 UW2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5706301327 ± 5.20e-08
Semi-major axis (a)2.4804090665 AU ± 3.55e-08
Inclination (i)12.61324122° ± 1.86e-05
Long. of Asc. Node (Ω)190.88101201° ± 2.75e-05
Arg. of Perihelion (ω)225.53636363° ± 5.00e-05
Mean Anomaly (M)34.92294423° ± 3.13e-05
Mean Motion (n)0.2523058446°/day ± 5.41e-09
Perihelion dist (q)1.06501291 AU ± 1.30e-07
Aphelion dist (Q)3.89580522 AU ± 1.40e-07
Orbital Period3.90647424 yr ± 8.38e-08
Physical Parameters
H (abs. magnitude)20.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.567″
Uncertainty0
Orbit TypeAmor
MOID0.133375 AU
Observations Used69
Oppositions4
Arc Total2009-2014
First Observation Used2009-09-20
Last Observation Used2014-02-06
Observations (71)
Date Type RA Dec Mag Band Observatory
2009-12-22 12:57:19 C 04 14 43.53 -40 34 14.3 o 474
2010-01-16 04:24:25 C 05 40 56.28 -23 17 39.2 u 448
2010-01-16 04:55:15 C 05 40 59.34 -23 16 43.0 u 448
2010-01-16 05:26:03 C 05 41 02.46 -23 15 46.9 u 448
2010-02-11 03:56:47 C 06 36 14.34 -06 41 27.7 o H21
2010-02-11 04:01:05 C 06 36 14.67 -06 41 22.2 o H21
2010-02-11 04:06:31 C 06 36 15.05 -06 41 14.7 o H21
2013-09-03 09:05:07 C 04 07 56.63 +22 35 08.9 u H21
2013-09-03 09:17:03 C 04 07 59.55 +22 35 04.4 u H21
2013-09-03 09:25:27 C 04 08 01.54 +22 35 01.1 u H21
2013-09-03 09:35:15 C 04 08 03.85 +22 34 57.1 u H21
2013-09-04 09:16:55 C 04 13 51.79 +22 24 51.7 u H21
2013-09-04 09:23:12 C 04 13 53.31 +22 24 48.6 u H21
2013-09-04 09:30:10 C 04 13 55.03 +22 24 45.2 u H21
2013-09-08 04:51:40 C 04 36 35.74 +21 35 30.1 t 950
2013-09-08 04:52:56 C 04 36 36.02 +21 35 29.9 t 950
2013-09-08 04:54:13 C 04 36 36.34 +21 35 29.1 t 950
2013-09-08 04:55:30 C 04 36 36.68 +21 35 28.3 t 950
2014-02-06 05:28:42 C 10 13 42.34 -11 35 03.8 u 807
2014-02-06 05:37:45 C 10 13 41.87 -11 34 56.8 u 807
2014-02-06 06:40:55 C 10 13 38.49 -11 34 07.5 u 807