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
2004-09-11 06:52:58 C 01 12 03.86 -12 02 26.7 c 844
2004-09-11 06:57:10 C 01 12 03.66 -12 02 14.8 c 844
2004-09-11 07:02:40 C 01 12 03.27 -12 02 01.6 c 844
2004-09-11 07:16:13 C 01 12 02.23 -12 01 28.7 c 844
2004-09-13 07:47:41 C 01 08 56.23 -09 54 29.6 o H06
2004-09-13 08:02:04 C 01 08 55.01 -09 53 49.3 o H06
2004-09-13 10:51:35 C 01 08 40.61 -09 45 45.9 o H06
2004-09-13 10:55:07 C 01 08 40.37 -09 45 35.4 o H06
2004-09-13 10:58:39 C 01 08 40.03 -09 45 25.6 o H06
2004-09-13 23:45:42 C 01 07 45.53 -09 08 23.0 c 046
2004-09-13 23:46:39 C 01 07 45.42 -09 08 20.1 c 046
2004-09-13 23:47:41 C 01 07 45.32 -09 08 17.1 c 046
2004-09-13 23:49:25 C 01 07 45.15 -09 08 11.4 c 046
2004-09-13 23:50:21 C 01 07 45.10 -09 08 08.9 c 046
2004-09-14 01:28:11 C 01 07 36.57 -09 03 18.0 c 246
2004-09-14 01:29:27 C 01 07 36.46 -09 03 14.0 c 246
2004-09-14 01:30:14 C 01 07 36.39 -09 03 11.9 c 246
2004-09-14 08:03:27 C 01 07 06.86 -08 43 18.4 o H06
2004-09-14 08:13:11 C 01 07 05.96 -08 42 48.5 o H06
2004-09-14 09:11:55 C 01 07 00.53 -08 39 49.3 o H06
2004-09-14 09:16:36 C 01 07 00.09 -08 39 35.3 o H06
2004-09-14 09:21:13 C 01 06 59.67 -08 39 21.7 o H06
2004-09-14 21:46:55 C 01 06 00.85 -08 00 56.8 o 084
2004-09-15 06:36:44 C 01 05 16.86 -07 32 20.2 o H06
2004-09-15 06:41:28 C 01 05 16.41 -07 32 05.4 o H06
2004-09-15 06:46:28 C 01 05 15.93 -07 31 50.3 o H06
2004-09-16 13:37:12 C 01 02 27.81 -05 45 37.1 r E14
2004-09-16 13:39:25 C 01 02 27.58 -05 45 29.3 r E14
2004-09-16 13:42:11 C 01 02 27.29 -05 45 19.7 r E14
2004-09-16 13:44:57 C 01 02 26.95 -05 45 09.4 r E14
2004-09-17 22:43:12 C 00 59 04.81 -03 43 00.9 r 106
2004-09-17 22:51:35 C 00 59 03.74 -03 42 28.2 r 106
2004-09-17 22:59:47 C 00 59 02.81 -03 41 56.2 r 106
2004-09-18 02:46:58 C 00 58 35.64 -03 26 54.2 r 170
2004-09-18 02:47:34 C 00 58 35.56 -03 26 52.0 r 170
2004-09-18 02:49:07 C 00 58 35.37 -03 26 45.7 r 170
2004-09-18 02:50:29 C 00 58 35.18 -03 26 40.0 r 170
2004-09-18 23:39:01 C 00 56 15.12 -02 01 27.8 r 215
2004-09-18 23:39:44 C 00 56 15.03 -02 01 25.2 r 215
2004-09-18 23:40:18 C 00 56 14.95 -02 01 22.9 r 215
2004-09-19 00:16:23 C 00 56 10.31 -01 58 48.3 c 587
2004-09-19 00:17:58 C 00 56 10.16 -01 58 41.6 c 587
2004-09-19 00:19:34 C 00 56 09.90 -01 58 34.8 c 587
2004-09-19 22:57:25 C 00 53 23.00 -00 19 49.4 o 084
2004-09-20 07:26:40 C 00 52 16.79 +00 19 16.2 r H41
2004-09-20 07:30:42 C 00 52 16.15 +00 19 35.7 r H41
2004-09-20 07:32:57 C 00 52 15.79 +00 19 46.4 r H41
2004-09-20 07:35:11 C 00 52 15.46 +00 19 56.5 r H41
2004-09-20 07:37:00 C 00 52 15.19 +00 20 05.3 r H41
2004-09-20 13:49:22 C 00 51 27.37 +00 50 24.3 r E14