IAA RAS IAA Minor Planet Database

2013 RO9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3477631403 ± 2.00e+00
Semi-major axis (a)1.0867797574 AU ± 3.00e+00
Inclination (i)7.40987834° ± 4.00e+00
Long. of Asc. Node (Ω)169.58317039° ± 5.00e+00
Arg. of Perihelion (ω)36.64094356° ± 6.00e+00
Mean Anomaly (M)23.20566142° ± 2.69e+00
Mean Motion (n)0.8699456000°/day ± 3.60e+00
Perihelion dist (q)0.70884020 AU ± 2.92e+00
Aphelion dist (Q)1.46471820 AU ± 4.59e+00
Orbital Period1.13295320 yr ± 4.69e+00
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.492″
Uncertainty4
Orbit TypeApollo
MOID0.088034 AU
Observations Used15
Oppositions1
Arc Total2013-2013
First Observation Used—
Last Observation Used2013-09-04
Observations (15)
Date Type RA Dec Mag Band Observatory
2013-09-02 06:27:43 C 22 32 32.34 -01 59 01.0 – q G96
2013-09-02 06:47:47 C 22 32 30.06 -01 59 40.4 – q G96
2013-09-02 06:57:50 C 22 32 28.96 -01 59 59.7 – q G96
2013-09-02 09:24:08 C 22 32 12.79 -02 04 45.9 – q G96
2013-09-02 09:25:25 C 22 32 12.61 -02 04 48.5 – q G96
2013-09-02 09:26:44 C 22 32 12.55 -02 04 51.7 – q G96
2013-09-02 09:28:03 C 22 32 12.38 -02 04 54.0 – q G96
2013-09-02 22:58:39 C 22 30 51.84 -02 31 09.7 – t 204
2013-09-02 23:44:25 C 22 30 46.86 -02 32 39.7 – t 204
2013-09-04 05:52:34 C 22 27 51.38 -03 29 06.3 – u H21
2013-09-04 06:12:53 C 22 27 49.30 -03 29 43.0 – u H21
2013-09-04 06:33:30 C 22 27 47.21 -03 30 21.3 – u H21
2013-09-04 08:16:50 C 22 27 37.29 -03 33 27.2 – q G96
2013-09-04 08:23:03 C 22 27 36.70 -03 33 38.0 – q G96
2013-09-04 08:35:31 C 22 27 35.40 -03 34 01.1 – q G96