2009 WA

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1448294275 ± 5.87e-08
Semi-major axis (a)1.1356892829 AU ± 1.27e-08
Inclination (i)29.84121980° ± 3.97e-05
Long. of Asc. Node (Ω)47.53069437° ± 1.48e-05
Arg. of Perihelion (ω)71.12867335° ± 7.30e-05
Mean Anomaly (M)26.29872949° ± 1.14e-04
Mean Motion (n)0.8143722844°/day ± 1.37e-08
Perihelion dist (q)0.97120805 AU ± 6.76e-08
Aphelion dist (Q)1.30017051 AU ± 6.83e-08
Orbital Period1.21028957 yr ± 2.04e-08
Physical Parameters
H (abs. magnitude)21.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.436″
Uncertainty0
Orbit TypeApollo
MOID0.068484 AU
Observations Used60
Oppositions2
Arc Total2009-2022
First Observation Used2009-11-16
Last Observation Used2022-01-03
Observations (74)
Date Type RA Dec Mag Band Observatory
2010-04-01 07:11:48 S 17 58 24.372 +66 22 49.44 L C51
2010-04-01 08:46:58 S 17 57 56.366 +66 23 14.10 L C51
2010-04-01 10:22:19 S 17 57 27.725 +66 23 38.11 L C51
2010-04-29 02:56:30 C 13 24 00.56 +44 34 16.9 o H21
2010-04-29 03:02:25 C 13 23 58.65 +44 33 44.5 o H21
2010-04-29 03:08:24 C 13 23 56.78 +44 33 12.6 o H21
2010-05-08 06:16:18 C 12 33 55.54 +22 28 55.9 r 703
2010-05-08 06:28:15 C 12 33 53.38 +22 27 39.9 r 703
2010-05-08 06:40:16 C 12 33 51.30 +22 26 25.7 r 703
2010-05-08 06:52:17 C 12 33 49.21 +22 25 12.2 r 703
2010-05-09 05:52:55 C 12 30 10.36 +20 04 05.6 19.1 c 704
2010-05-09 06:07:04 C 12 30 08.08 +20 02 38.5 19.8 c 704
2010-05-09 06:21:18 C 12 30 05.74 +20 01 11.7 19.3 c 704
2010-05-09 06:35:40 C 12 30 03.44 +19 59 44.5 19.6 c 704
2010-05-09 06:49:47 C 12 30 01.14 +19 58 17.5 19.4 c 704
2015-11-01 02:34:09 C 22 43 27.14 -52 24 08.2 u 807
2015-11-01 02:44:30 C 22 43 26.65 -52 23 38.0 u 807
2015-11-01 02:54:33 C 22 43 26.14 -52 23 08.4 u 807
2015-11-02 02:06:44 C 22 42 25.75 -51 15 30.3 u 807
2015-11-02 02:12:35 C 22 42 25.46 -51 15 13.0 u 807
2015-11-02 02:18:00 C 22 42 25.20 -51 14 57.5 u 807
2022-01-03 02:31:18 C 23 23 10.41 +02 03 43.6 o 291
2022-01-03 02:49:38 C 23 23 11.74 +02 04 21.8 o 291
2022-01-03 03:07:56 C 23 23 13.11 +02 04 58.6 o 291