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
2004-09-27 22:47:30 C 00 19 26.37 +18 12 37.8 o 160
2004-10-01 20:08:52 C 23 53 55.39 +29 38 46.1 o 084
2004-10-01 20:58:45 C 23 53 39.18 +29 44 56.7 16.1 z A70
2004-10-01 21:13:45 C 23 53 34.24 +29 46 48.7 15.9 z A70
2004-10-01 21:23:16 C 23 53 31.07 +29 48 00.5 16.3 z A70
2004-10-01 22:00:46 C 23 53 18.74 +29 52 42.9 16.9 z A70
2004-10-01 22:11:15 C 23 53 15.31 +29 54 02.9 15.8 z A70
2004-10-03 19:49:18 C 23 37 53.01 +35 36 18.1 c A35
2004-10-03 19:49:47 C 23 37 52.81 +35 36 22.1 c A35
2004-10-03 19:50:36 C 23 37 52.50 +35 36 28.4 c A35
2004-10-03 19:50:58 C 23 37 52.40 +35 36 30.7 c A35
2004-10-05 19:46:05 C 23 19 22.43 +41 21 52.8 c 163
2004-10-05 19:47:47 C 23 19 21.77 +41 22 04.3 c 163
2004-10-05 19:53:32 C 23 19 19.21 +41 22 44.6 c 163
2004-10-05 19:56:19 C 23 19 18.02 +41 23 05.8 c 163
2004-10-05 19:58:03 C 23 19 17.26 +41 23 17.3 c 163
2004-10-06 06:24:06 C 23 14 49.61 +42 35 36.4 r H41
2004-10-06 06:28:35 C 23 14 47.56 +42 36 06.3 r H41
2004-10-06 06:30:21 C 23 14 46.73 +42 36 18.2 r H41
2004-10-06 06:32:00 C 23 14 46.03 +42 36 29.0 r H41
2004-10-06 06:33:41 C 23 14 45.26 +42 36 40.5 r H41
2004-10-07 20:54:58 C 22 57 43.52 +46 47 32.3 o 084
2004-10-11 23:29:06 C 22 06 40.15 +55 35 32.4 o 084
2004-10-14 05:45:38 C 21 35 03.00 +59 06 58.9 c H41
2004-11-05 02:00:10 C 17 33 59.29 +64 47 50.4 o 715
2004-11-05 02:08:39 C 17 33 57.31 +64 47 44.5 o 715
2004-11-05 02:17:07 C 17 33 54.93 +64 47 39.5 o 715
2005-01-17 00:29:26 C 14 37 05.35 +51 58 42.3 o 198
2005-01-17 00:31:27 C 14 37 05.13 +51 58 42.0 o 198
2005-01-17 00:35:30 C 14 37 04.70 +51 58 41.3 o 198
2005-01-17 00:41:35 C 14 37 04.07 +51 58 40.3 o 198
2005-02-27 02:20:40 C 11 29 13.20 +37 52 59.0 r A68
2005-02-27 02:22:35 C 11 29 12.80 +37 52 55.3 r A68
2005-02-27 02:25:29 C 11 29 12.22 +37 52 49.5 r A68
2005-03-08 08:29:57 C 10 51 10.11 +30 09 14.0 19.3 c 704
2005-03-08 08:46:41 C 10 51 07.60 +30 08 38.5 19.6 c 704
2005-03-08 09:03:00 C 10 51 05.17 +30 08 03.4 19.7 c 704
2005-03-08 09:19:16 C 10 51 02.81 +30 07 29.1 19.7 c 704
2005-03-08 09:38:13 C 10 50 59.97 +30 06 47.4 19.6 c 704
2007-08-23 09:02:50 C 02 08 25.69 -08 59 45.5 o H55
2007-08-23 09:08:59 C 02 08 26.07 -08 59 36.3 o H55
2007-08-23 09:15:07 C 02 08 26.57 -08 59 26.2 o H55
2007-09-10 09:57:44 C 02 46 33.42 +07 13 37.0 r 703
2007-09-10 10:07:56 C 02 46 34.42 +07 14 10.1 r 703
2007-09-10 10:18:08 C 02 46 35.36 +07 14 44.1 r 703
2007-09-10 10:28:25 C 02 46 36.30 +07 15 17.5 r 703
2007-09-16 08:25:01 C 03 02 02.75 +16 17 41.7 19.0 c 704
2007-09-16 08:42:09 C 03 02 04.60 +16 18 56.4 19.2 c 704
2007-09-16 09:16:24 C 03 02 08.30 +16 21 26.7 19.1 c 704
2007-09-16 09:33:35 C 03 02 10.11 +16 22 41.5 19.3 c 704