164222 (2004 RN9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2470064760 ± 3.34e-08
Semi-major axis (a)1.3042066614 AU ± 1.56e-08
Inclination (i)16.10950567° ± 1.10e-05
Long. of Asc. Node (Ω)0.93700961° ± 4.85e-06
Arg. of Perihelion (ω)67.22947631° ± 1.56e-05
Mean Anomaly (M)29.71864805° ± 4.49e-05
Mean Motion (n)0.6617480268°/day ± 1.19e-08
Perihelion dist (q)0.98205917 AU ± 4.51e-08
Aphelion dist (Q)1.62635415 AU ± 4.77e-08
Orbital Period1.48942837 yr ± 2.68e-08
NGA Modelr2
A2-5.14616370e-14 ± 2.36e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.539″
Uncertainty0
Orbit TypeApollo
MOID0.092801 AU
Observations Used271
Oppositions7
Arc Total2001-2023
First Observation Used2001-09-11
Last Observation Used2023-05-01
Observations (273)
Date Type RA Dec Mag Band Observatory
2014-03-07 11:23:05 C 13 31 38.23 -05 05 22.2 q G96
2014-03-28 08:39:18 C 12 29 03.67 -11 14 58.1 q G96
2014-03-28 08:46:49 C 12 29 02.67 -11 15 02.4 q G96
2014-03-28 08:54:23 C 12 29 01.65 -11 15 06.3 q G96
2014-03-28 09:01:51 C 12 29 00.67 -11 15 10.2 q G96
2014-04-05 09:17:11 C 12 06 06.334 -12 42 09.95 L F51
2014-04-05 09:33:22 C 12 06 04.490 -12 42 16.04 L F51
2014-04-05 09:49:33 C 12 06 02.647 -12 42 22.05 L F51
2017-03-27 12:20:26 C 13 13 37.806 -18 51 01.23 L F51
2017-03-27 12:34:52 C 13 13 35.926 -18 51 09.20 L F51
2017-03-27 12:49:14 C 13 13 34.047 -18 51 17.17 L F51
2020-02-19 09:49:23 C 14 37 05.88 -11 55 33.3 u H21
2020-02-19 09:52:43 C 14 37 05.90 -11 55 36.3 u H21
2020-02-19 09:59:23 C 14 37 05.91 -11 55 42.9 u H21
2023-02-19 06:27:25 C 14 52 07.93 -16 05 28.4 W 807
2023-02-19 06:33:25 C 14 52 08.04 -16 05 34.0 W 807
2023-02-19 06:38:26 C 14 52 08.14 -16 05 38.3 W 807
2023-04-15 09:32:31 C 13 39 23.692 -33 35 10.65 U F52
2023-04-15 09:47:10 C 13 39 21.818 -33 35 14.21 U F52
2023-04-15 10:01:57 C 13 39 19.955 -33 35 18.13 U F52
2023-05-01 01:45:35 C 12 57 24.41 -33 40 09.7 V 807
2023-05-01 01:56:15 C 12 57 23.35 -33 40 08.3 V 807
2023-05-01 02:06:53 C 12 57 22.31 -33 40 07.2 V 807