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
2004-09-20 13:55:25 C 00 51 26.47 +00 50 52.9 r E14
2004-09-20 14:02:00 C 00 51 25.51 +00 51 23.8 r E14
2004-09-21 08:00:10 C 00 48 54.38 +02 16 47.8 r H41
2004-09-21 08:03:08 C 00 48 53.92 +02 17 02.1 r H41
2004-09-21 08:05:55 C 00 48 53.50 +02 17 15.8 r H41
2004-09-21 08:07:22 C 00 48 53.25 +02 17 22.7 r H41
2004-09-21 08:09:24 C 00 48 52.94 +02 17 33.4 r H41
2004-09-21 08:12:21 C 00 48 52.47 +02 17 47.7 r H41
2004-09-22 06:38:49 C 00 45 34.87 +04 12 18.9 r H41
2004-09-22 06:42:36 C 00 45 34.23 +04 12 38.2 r H41
2004-09-22 06:44:39 C 00 45 33.87 +04 12 48.9 r H41
2004-09-22 06:46:56 C 00 45 33.49 +04 13 00.9 r H41
2004-09-22 06:48:18 C 00 45 33.24 +04 13 08.5 r H41
2004-09-22 06:50:00 C 00 45 32.95 +04 13 17.4 r H41
2004-09-22 06:54:11 C 00 45 33.21 +04 13 41.3 17.4 c 704
2004-09-22 07:11:42 C 00 45 30.20 +04 15 13.8 17.5 c 704
2004-09-22 07:29:11 C 00 45 27.20 +04 16 46.0 17.6 c 704
2004-09-22 07:46:40 C 00 45 24.17 +04 18 18.1 17.5 c 704
2004-09-22 08:04:09 C 00 45 21.17 +04 19 50.4 17.3 c 704
2004-09-23 05:23:02 C 00 41 59.92 +06 15 24.3 17.1 c 704
2004-09-23 05:40:41 C 00 41 56.72 +06 17 02.8 17.5 c 704
2004-09-23 05:58:18 C 00 41 53.51 +06 18 41.5 17.5 c 704
2004-09-23 06:16:07 C 00 41 50.27 +06 20 20.9 17.2 c 704
2004-09-23 06:33:43 C 00 41 47.03 +06 21 59.5 17.3 c 704
2004-09-23 21:55:19 C 00 39 11.88 +07 49 17.7 r 941
2004-09-23 21:55:42 C 00 39 11.81 +07 49 20.0 r 941
2004-09-23 21:56:06 C 00 39 11.73 +07 49 22.3 r 941
2004-09-23 21:56:30 C 00 39 11.66 +07 49 24.6 r 941
2004-09-23 21:56:53 C 00 39 11.58 +07 49 26.9 r 941
2004-09-24 06:53:37 C 00 37 35.00 +08 42 01.5 17.4 c 704
2004-09-24 07:11:12 C 00 37 31.49 +08 43 46.0 17.5 c 704
2004-09-24 07:28:43 C 00 37 28.00 +08 45 30.2 17.4 c 704
2004-09-24 07:46:18 C 00 37 24.50 +08 47 14.5 17.5 c 704
2004-09-24 08:03:53 C 00 37 21.02 +08 48 59.0 17.4 c 704
2004-09-24 22:55:26 C 00 34 37.18 +10 18 14.4 o 084
2004-09-27 07:22:04 C 00 22 57.73 +16 25 51.7 c H41
2004-09-27 07:29:48 C 00 22 55.86 +16 26 45.1 c H41
2004-09-27 07:31:08 C 00 22 55.51 +16 26 53.3 c H41
2004-09-27 07:32:15 C 00 22 55.24 +16 27 01.1 c H41
2004-09-27 07:33:33 C 00 22 54.91 +16 27 09.9 c H41
2004-09-27 07:34:43 C 00 22 54.64 +16 27 18.1 c H41
2004-09-27 22:41:26 C 00 19 27.81 +18 11 55.0 o 160
2004-09-27 22:42:20 C 00 19 27.69 +18 12 00.6 o 160
2004-09-27 22:43:12 C 00 19 27.52 +18 12 07.9 o 160
2004-09-27 22:43:36 C 00 19 27.38 +18 12 10.3 o 160
2004-09-27 22:44:53 C 00 19 26.96 +18 12 18.4 o 160
2004-09-27 22:45:47 C 00 19 26.82 +18 12 24.3 o 160
2004-09-27 22:46:13 C 00 19 26.77 +18 12 27.5 o 160
2004-09-27 22:46:39 C 00 19 26.68 +18 12 29.9 o 160
2004-09-27 22:47:04 C 00 19 26.45 +18 12 36.1 o 160