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
2011-10-17 06:07:01 C 00 13 34.68 -01 49 25.1 – u H36
2011-10-17 06:09:05 C 00 13 35.71 -01 49 24.5 – u H36
2011-10-17 06:09:45 C 00 13 35.97 -01 49 24.3 – u H36
2011-10-17 12:37:23 C 00 16 53.75 -01 47 27.8 – u 379
2011-10-17 13:36:46 C 00 17 21.53 -01 47 10.5 – u 379
2011-10-17 13:48:24 C 00 17 26.93 -01 47 06.8 – u 379
2011-10-17 13:54:13 C 00 17 29.63 -01 47 06.0 – u 379
2011-10-17 18:54:29 C 00 20 02.40 -01 45 59.7 – v B03
2011-10-17 18:58:29 C 00 20 04.30 -01 45 58.5 – v B03
2011-10-17 19:02:29 C 00 20 06.19 -01 45 57.5 – v B03
2011-10-17 19:06:29 C 00 20 08.08 -01 45 56.4 – v B03
2011-10-17 19:10:28 C 00 20 09.95 -01 45 55.2 – v B03
2011-10-17 19:14:28 C 00 20 11.83 -01 45 54.0 – v B03
2011-10-17 20:19:28 C 00 20 42.47 -01 45 35.9 – o 046
2011-10-17 20:20:41 C 00 20 43.01 -01 45 35.6 – o 046
2011-10-17 20:21:33 C 00 20 43.45 -01 45 35.4 – o 046
2011-10-17 20:22:24 C 00 20 43.84 -01 45 35.3 – o 046
2011-10-17 20:24:10 C 00 20 44.66 -01 45 34.6 – o 046
2011-10-17 20:56:57 C 00 21 00.36 -01 45 19.5 – c A48
2011-10-17 21:00:06 C 00 21 01.85 -01 45 19.4 – c A48
2011-10-17 21:03:16 C 00 21 03.26 -01 45 18.6 – c A48
2011-10-17 21:06:25 C 00 21 04.73 -01 45 17.6 – c A48
2011-10-17 21:18:53 C 00 21 10.53 -01 45 12.3 – o 108
2011-10-17 21:24:29 C 00 21 13.21 -01 45 10.5 – o 108
2011-10-17 21:25:21 C 00 21 13.53 -01 45 12.0 – c A53
2011-10-17 21:27:46 C 00 21 14.66 -01 45 11.6 – c A53
2011-10-17 21:27:59 C 00 21 14.57 -01 45 08.8 – o 108
2011-10-17 21:30:29 C 00 21 15.91 -01 45 10.8 – c A53
2011-10-17 21:33:10 C 00 21 17.10 -01 45 09.9 – c A53
2011-10-18 01:37:01 C 00 23 18.22 -01 43 52.7 – u 932
2011-10-18 03:36:27 C 00 24 12.84 -01 43 18.0 – u 932
2011-10-18 03:40:05 C 00 24 14.49 -01 43 16.9 – u 932
2011-10-18 03:44:57 C 00 24 16.71 -01 43 15.5 – u 932
2011-10-18 03:48:55 C 00 24 18.50 -01 43 14.3 – u 932
2011-10-18 05:16:06 C 00 25 03.43 -01 42 42.3 – t G56
2011-10-18 05:26:00 C 00 25 07.88 -01 42 39.7 – t G56
2011-10-18 05:37:56 C 00 25 13.28 -01 42 36.0 – t G56
2011-10-18 05:49:44 C 00 25 18.64 -01 42 32.6 – t G56
2011-10-18 13:55:54 C 00 29 07.31 -01 40 02.5 – u 379
2011-10-18 14:07:11 C 00 29 12.32 -01 39 59.0 – u 379
2011-10-18 14:16:47 C 00 29 16.66 -01 39 56.6 – u 379
2011-10-19 02:35:53 C 00 35 05.87 -01 36 05.6 – o G48
2011-10-19 02:37:02 C 00 35 06.40 -01 36 05.6 – o G48
2011-10-19 02:38:11 C 00 35 06.88 -01 36 05.1 – o G48
2011-10-19 02:38:47 C 00 35 07.14 -01 36 04.8 – o G48
2011-10-19 02:39:21 C 00 35 07.40 -01 36 04.6 – o G48
2011-10-19 12:29:28 C 00 39 30.99 -01 33 07.7 – o 300
2011-10-19 12:33:25 C 00 39 32.69 -01 33 06.4 – o 300
2011-10-19 12:37:20 C 00 39 34.26 -01 33 05.8 – o 300
2011-10-20 01:48:24 C 00 45 23.88 -01 29 01.3 16.8 r H49