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
2001-09-11 06:01:04 C 23 20 21.65 -32 02 19.8 18.4 c 644
2001-09-11 06:32:11 C 23 20 15.59 -32 01 37.2 18.5 c 644
2001-09-22 06:02:17 C 22 26 17.43 -22 26 53.6 18.1 c 608
2001-09-22 06:18:07 C 22 26 13.78 -22 26 07.4 18.1 c 608
2001-09-22 06:34:12 C 22 26 10.06 -22 25 19.7 18.0 c 608
2004-09-07 08:16:31 C 01 16 29.86 -15 26 16.9 17.9 c 704
2004-09-07 08:32:26 C 01 16 29.20 -15 25 47.1 18.3 c 704
2004-09-07 08:48:09 C 01 16 28.39 -15 25 17.8 18.2 c 704
2004-09-07 09:03:52 C 01 16 27.69 -15 24 48.6 18.6 c 704
2004-09-07 09:19:36 C 01 16 26.93 -15 24 19.3 18.4 c 704
2004-09-07 23:06:19 C 01 15 57.15 -14 58 04.2 o A13
2004-09-07 23:08:52 C 01 15 57.05 -14 57 57.8 o A13
2004-09-07 23:11:24 C 01 15 56.85 -14 57 55.1 o A13
2004-09-07 23:13:22 C 01 15 56.75 -14 57 51.4 o A13
2004-09-07 23:15:43 C 01 15 56.77 -14 57 45.4 o A13
2004-09-08 00:38:23 C 01 15 52.45 -14 55 07.1 c 246
2004-09-08 00:40:00 C 01 15 52.40 -14 55 03.0 c 246
2004-09-08 00:41:04 C 01 15 52.39 -14 55 02.2 c 246
2004-09-08 00:42:02 C 01 15 52.31 -14 54 59.8 c 246
2004-09-08 00:43:04 C 01 15 52.27 -14 54 58.2 c 246
2004-09-08 08:22:58 C 01 15 33.98 -14 39 41.0 18.4 c 704
2004-09-08 08:34:36 C 01 15 33.42 -14 39 17.4 o H06
2004-09-08 08:40:30 C 01 15 33.07 -14 39 05.9 18.6 c 704
2004-09-08 08:58:06 C 01 15 32.18 -14 38 30.9 19.0 c 704
2004-09-08 09:15:00 C 01 15 31.27 -14 37 57.3 18.5 c 704
2004-09-08 09:31:13 C 01 15 30.39 -14 37 24.8 18.8 c 704
2004-09-08 09:40:50 C 01 15 30.42 -14 37 05.3 c 673
2004-09-08 09:42:50 C 01 15 30.32 -14 37 01.5 c 673
2004-09-08 09:45:37 C 01 15 29.63 -14 36 55.7 o H06
2004-09-08 09:46:16 C 01 15 29.54 -14 36 54.0 o H06
2004-09-08 09:50:15 C 01 15 29.34 -14 36 45.1 o H06
2004-09-08 09:52:30 C 01 15 29.82 -14 36 41.9 c 673
2004-09-08 09:54:18 C 01 15 29.12 -14 36 37.0 o H06
2004-09-08 09:56:50 C 01 15 29.56 -14 36 33.1 c 673
2004-09-08 10:10:01 C 01 15 27.99 -14 36 07.4 r 734
2004-09-08 10:18:32 C 01 15 27.57 -14 35 50.7 r 734
2004-09-10 00:50:41 C 01 13 42.59 -13 14 01.7 c 246
2004-09-10 00:54:57 C 01 13 42.31 -13 13 52.0 c 246
2004-09-10 00:56:17 C 01 13 42.22 -13 13 48.6 c 246
2004-09-10 00:58:16 C 01 13 42.14 -13 13 44.3 c 246
2004-09-10 02:23:06 C 01 13 36.97 -13 10 32.4 c 046
2004-09-10 02:25:17 C 01 13 36.84 -13 10 27.9 c 046
2004-09-10 02:26:14 C 01 13 36.74 -13 10 25.3 c 046
2004-09-10 02:28:13 C 01 13 36.65 -13 10 20.6 c 046
2004-09-10 02:29:12 C 01 13 36.56 -13 10 19.5 c 046
2004-09-11 00:43:50 C 01 12 26.07 -12 18 28.2 c 046
2004-09-11 00:44:52 C 01 12 25.99 -12 18 25.5 c 046
2004-09-11 00:46:29 C 01 12 25.86 -12 18 21.8 c 046
2004-09-11 00:47:17 C 01 12 25.83 -12 18 20.2 c 046
2004-09-11 00:48:04 C 01 12 25.80 -12 18 17.8 c 046