2009 RD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5416618000
Semi-major axis (a)2.5682854000 AU
Inclination (i)2.09631000°
Long. of Asc. Node (Ω)353.41656000°
Arg. of Perihelion (ω)0.90783000°
Mean Anomaly (M)330.84859000°
Mean Motion (n)0.2394634100°/day
Perihelion dist (q)1.17714330 AU
Aphelion dist (Q)3.95942750 AU
Orbital Period4.11590100 yr
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty4
Orbit TypeAmor
MOID0.169931 AU
Observations Used109
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-12-12
Observations (114)
Date Type RA Dec Mag Band Observatory
2009-10-22 06:06:03 C 23 40 02.64 +02 38 14.2 r 703
2009-10-22 06:14:49 C 23 40 03.57 +02 38 22.9 r 703
2009-10-22 06:23:23 C 23 40 04.47 +02 38 30.3 r 703
2009-10-24 02:08:09 C 23 45 05.42 +03 18 19.5 o 691
2009-10-24 02:39:03 C 23 45 08.77 +03 18 47.8 o 691
2009-10-24 03:09:58 C 23 45 12.03 +03 19 15.1 o 691
2009-10-27 02:42:02 C 23 53 11.38 +04 21 16.3 o 691
2009-10-27 03:08:50 C 23 53 14.20 +04 21 38.9 o 691
2009-11-26 05:10:45 C 01 03 37.79 +11 53 14.8 o 291
2009-11-26 05:20:36 C 01 03 38.57 +11 53 20.0 o 291
2009-11-26 05:26:03 C 01 03 39.07 +11 53 21.7 o 291
2009-12-11 23:53:00 C 01 35 52.79 +14 33 37.3 o H21
2009-12-12 00:12:40 C 01 35 54.35 +14 33 45.5 o H21
2009-12-12 00:28:41 C 01 35 55.63 +14 33 51.5 o H21