IAA RAS IAA Minor Planet Database

2011 TN9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4512189200 ± 4.03e-08
Semi-major axis (a)1.8988515631 AU ± 1.91e-07
Inclination (i)4.10483488° ± 3.81e-06
Long. of Asc. Node (Ω)199.13071223° ± 8.03e-06
Arg. of Perihelion (ω)163.12153437° ± 4.17e-05
Mean Anomaly (M)145.75198246° ± 3.14e-04
Mean Motion (n)0.3766827666°/day ± 5.67e-08
Perihelion dist (q)1.04205381 AU ± 1.30e-07
Aphelion dist (Q)2.75564931 AU ± 2.87e-07
Orbital Period2.61659511 yr ± 3.94e-07
Physical Parameters
H (abs. magnitude)21.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.335″
Uncertainty0
Orbit TypeAmor
MOID0.042591 AU
Observations Used351
Oppositions2
Arc Total2011-2015
First Observation Used2011-10-15
Last Observation Used2015-02-19
Observations (372)
Date Type RA Dec Mag Band Observatory
2011-10-15 06:10:16 C 23 48 16.05 -02 01 47.9 – r 703
2011-10-15 06:20:01 C 23 48 21.13 -02 01 45.4 – r 703
2011-10-15 06:29:53 C 23 48 26.24 -02 01 43.2 – r 703
2011-10-15 06:39:42 C 23 48 31.35 -02 01 40.6 – r 703
2011-10-15 07:47:00 C 23 49 06.31 -02 01 23.7 – r 703
2011-10-15 07:50:39 C 23 49 08.22 -02 01 22.7 – r 703
2011-10-15 07:54:23 C 23 49 10.20 -02 01 21.9 – r 703
2011-10-15 07:58:07 C 23 49 12.10 -02 01 21.1 – r 703
2011-10-15 08:51:12 C 23 49 39.59 -02 01 08.0 – o H06
2011-10-15 08:53:18 C 23 49 41.05 -02 01 06.6 – r 703
2011-10-15 08:53:47 C 23 49 41.34 -02 01 06.8 – r 703
2011-10-15 08:54:17 C 23 49 41.55 -02 01 06.9 – r 703
2011-10-15 08:54:49 C 23 49 41.84 -02 01 06.8 – r 703
2011-10-15 09:22:40 C 23 49 56.22 -02 01 00.5 – o H06
2011-10-15 11:03:35 C 23 51 00.09 -01 58 13.4 – o E23
2011-10-15 11:03:53 C 23 51 01.51 -01 58 11.7 – u D90
2011-10-15 11:06:44 C 23 51 02.95 -01 58 10.9 – u D90
2011-10-15 11:09:33 C 23 51 04.40 -01 58 10.2 – u D90
2011-10-15 11:13:25 C 23 51 05.21 -01 58 10.7 – o E23
2011-10-15 11:18:08 C 23 51 08.88 -01 58 08.2 – u D90
2011-10-15 11:21:02 C 23 51 10.38 -01 58 07.7 – u D90
2011-10-15 11:23:32 C 23 51 10.34 -01 58 08.8 – o E23
2011-10-15 11:33:20 C 23 51 15.41 -01 58 06.2 – o E23
2011-10-15 18:20:19 C 23 54 59.09 -01 59 14.5 – o 046
2011-10-15 18:21:22 C 23 54 59.68 -01 59 14.0 – o 046
2011-10-15 18:22:16 C 23 55 00.14 -01 59 14.0 – o 046
2011-10-15 18:23:06 C 23 55 00.57 -01 59 14.0 – o 046
2011-10-15 18:23:59 C 23 55 01.00 -01 59 13.8 – o 046
2011-10-15 18:24:47 C 23 55 01.44 -01 59 13.5 – o 046
2011-10-15 18:51:58 C 23 55 15.61 -01 59 06.2 – o 246
2011-10-15 18:52:42 C 23 55 15.88 -01 59 05.9 – o 246
2011-10-15 18:53:26 C 23 55 16.34 -01 59 05.8 – o 246
2011-10-15 18:54:06 C 23 55 16.73 -01 59 05.7 – o 246
2011-10-15 18:54:32 C 23 55 16.95 -01 59 05.3 – o 246
2011-10-15 18:54:56 C 23 55 17.15 -01 59 05.5 – o 246
2011-10-15 18:55:47 C 23 55 17.58 -01 59 05.3 – o 246
2011-10-15 19:20:14 C 23 55 30.47 -01 58 54.9 – c 595
2011-10-15 19:29:05 C 23 55 35.04 -01 58 52.5 – c 595
2011-10-15 19:37:56 C 23 55 39.60 -01 58 50.7 – c 595
2011-10-15 19:55:24 C 23 55 49.57 -01 58 54.5 – u J95
2011-10-15 20:06:29 C 23 55 55.32 -01 58 51.8 – u J95
2011-10-15 20:17:38 C 23 56 01.09 -01 58 49.1 – u J95
2011-10-15 21:02:01 C 23 56 23.17 -01 58 37.3 – u 510
2011-10-15 21:29:57 C 23 56 37.52 -01 58 30.3 – u 510
2011-10-15 22:02:31 C 23 56 54.20 -01 58 22.3 – u 510
2011-10-15 22:30:27 C 23 57 08.48 -01 58 14.7 – u 510
2011-10-15 23:13:06 C 23 57 30.12 -01 58 02.4 – w B82
2011-10-15 23:19:13 C 23 57 33.27 -01 58 00.4 – w B82
2011-10-15 23:22:09 C 23 57 34.79 -01 58 00.0 – w B82
2011-10-15 23:31:33 C 23 57 39.64 -01 57 57.4 – w B82