2009 RU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3806485046 ± 1.39e-06
Semi-major axis (a)1.3534883817 AU ± 1.04e-08
Inclination (i)0.85348817° ± 1.91e-05
Long. of Asc. Node (Ω)300.44911458° ± 1.53e-03
Arg. of Perihelion (ω)330.32141299° ± 1.63e-03
Mean Anomaly (M)144.12857992° ± 5.22e-05
Mean Motion (n)0.6259367894°/day ± 7.20e-09
Perihelion dist (q)0.83828505 AU ± 1.89e-06
Aphelion dist (Q)1.86869171 AU ± 1.89e-06
Orbital Period1.57464188 yr ± 1.81e-08
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.419″
Uncertainty0
Orbit TypeApollo
MOID0.009248 AU
Observations Used50
Oppositions4
Arc Total2009-2020
First Observation Used2009-09-12
Last Observation Used2020-09-23
Observations (51)
Date Type RA Dec Mag Band Observatory
2009-09-12 06:48:46 C 22 30 11.44 +01 14 08.4 r 703
2009-09-12 06:58:05 C 22 30 12.81 +01 14 00.9 r 703
2009-09-12 07:00:56 C 22 30 13.35 +01 14 00.1 r 703
2009-09-12 07:03:45 C 22 30 13.71 +01 13 57.1 r 703
2009-09-12 20:02:55 C 22 32 40.56 +01 04 33.8 c 587
2009-09-12 20:04:43 C 22 32 40.77 +01 04 32.8 c 587
2009-09-12 20:07:20 C 22 32 41.24 +01 04 30.3 c 587
2009-09-12 20:09:34 C 22 32 41.54 +01 04 30.1 c 587
2009-09-12 20:55:06 C 22 32 49.07 +01 03 52.4 r J95
2009-09-12 21:03:28 C 22 32 50.36 +01 03 46.4 r J95
2009-09-12 21:06:39 C 22 32 53.38 +01 04 21.6 o J04
2009-09-12 21:08:12 C 22 32 53.60 +01 04 20.7 o J04
2009-09-12 21:09:44 C 22 32 53.83 +01 04 19.6 o J04
2009-09-12 21:11:54 C 22 32 51.62 +01 03 41.1 r J95
2009-09-12 21:37:47 C 22 32 58.04 +01 04 01.2 o J04
2009-09-12 21:39:20 C 22 32 58.26 +01 04 00.3 o J04
2009-09-12 21:40:52 C 22 32 58.49 +01 03 59.2 o J04
2009-09-12 21:59:41 C 22 32 57.70 +01 03 18.3 r 235
2009-09-12 22:10:11 C 22 32 59.27 +01 03 10.8 r 235
2009-09-12 23:52:06 C 22 33 14.34 +01 02 04.5 c 595
2009-09-13 00:17:32 C 22 33 18.09 +01 01 47.5 c 595
2009-09-13 03:24:51 C 22 33 54.84 +00 59 53.0 r H26
2009-09-13 03:31:39 C 22 33 55.74 +00 59 48.7 r H26
2009-09-13 03:35:03 C 22 33 56.24 +00 59 46.5 r H26
2009-09-13 07:46:35 C 22 34 31.72 +00 57 14.6 r H36
2009-09-13 08:13:18 C 22 34 35.50 +00 56 58.4 r H36
2009-09-15 02:25:28 C 22 40 40.53 +00 34 00.2 o H55
2009-09-15 02:28:29 C 22 40 40.85 +00 33 59.2 o H55
2009-09-15 02:37:30 C 22 40 41.81 +00 33 56.2 o H55
2009-09-18 02:28:46 C 22 48 07.74 +00 05 01.9 o H55
2009-09-18 02:31:50 C 22 48 07.94 +00 05 00.9 o H55
2009-09-18 02:37:11 C 22 48 08.34 +00 04 59.4 o H55
2009-09-24 05:52:14 C 22 57 56.47 -00 30 58.1 o 291
2009-09-24 06:01:16 C 22 57 56.80 -00 30 59.5 o 291
2009-09-24 06:10:30 C 22 57 57.18 -00 31 01.1 o 291
2009-09-25 07:16:48 C 22 59 13.53 -00 35 08.4 o 291
2009-09-25 07:24:26 C 22 59 13.82 -00 35 10.1 o 291
2009-09-25 07:32:13 C 22 59 14.12 -00 35 10.9 o 291
2020-09-11 05:41:49 C 20 16 48.272 -10 02 06.89 V F51
2020-09-11 06:20:34 C 20 17 14.267 -10 01 19.81 V F51
2020-09-11 06:39:53 C 20 17 27.142 -10 00 56.22 V F51
2020-09-15 02:58:29 C 21 07 52.86 -08 18 28.4 V G96
2020-09-15 03:14:36 C 21 07 59.29 -08 18 13.3 V G96
2020-09-15 03:22:40 C 21 08 02.51 -08 18 05.6 V G96
2020-09-15 05:36:29 C 21 08 55.08 -08 15 58.1 V I52
2020-09-15 05:38:36 C 21 08 55.90 -08 15 56.0 V I52
2020-09-15 05:40:44 C 21 08 56.72 -08 15 54.4 V I52
2020-09-23 05:42:25 C 22 01 43.11 -06 03 03.8 V G96
2020-09-23 05:50:33 C 22 01 44.45 -06 03 00.4 V G96
2020-09-23 05:58:39 C 22 01 45.81 -06 02 55.7 V G96