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 23:33:01 C 23 57 40.42 -01 57 57.3 – w B82
2011-10-15 23:34:28 C 23 57 41.12 -01 57 56.5 – w B82
2011-10-15 23:38:49 C 23 57 43.33 -01 57 54.3 – w B82
2011-10-15 23:57:08 C 23 58 01.38 -01 55 06.4 – o 807
2011-10-16 00:00:52 C 23 58 03.29 -01 55 05.4 – o 807
2011-10-16 00:04:36 C 23 58 05.21 -01 55 04.5 – o 807
2011-10-16 00:14:49 C 23 58 10.41 -01 55 02.0 – o 807
2011-10-16 00:30:30 C 23 58 18.40 -01 54 58.2 – o 807
2011-10-16 00:34:30 C 23 58 20.42 -01 54 57.3 – o 807
2011-10-16 01:56:28 C 23 59 05.64 -01 56 48.0 – o G48
2011-10-16 01:57:08 C 23 59 05.99 -01 56 47.8 – o G48
2011-10-16 01:57:49 C 23 59 06.32 -01 56 47.5 – o G48
2011-10-16 01:58:28 C 23 59 06.66 -01 56 47.3 – o G48
2011-10-16 01:59:08 C 23 59 07.00 -01 56 47.0 – o G48
2011-10-16 02:18:09 C 23 59 12.72 -01 57 01.7 16.9 u 932
2011-10-16 02:22:02 C 23 59 14.69 -01 57 00.6 16.7 u 932
2011-10-16 02:41:30 C 23 59 24.49 -01 56 55.6 16.9 u 932
2011-10-16 02:49:37 C 23 59 28.58 -01 56 53.5 16.8 u 932
2011-10-16 03:32:25 C 23 59 51.81 -01 56 38.8 – t H21
2011-10-16 03:36:11 C 23 59 53.70 -01 56 37.6 – t H21
2011-10-16 03:38:53 C 23 59 55.06 -01 56 37.0 – t H21
2011-10-16 03:41:35 C 23 59 56.41 -01 56 36.4 – t H21
2011-10-16 03:44:16 C 23 59 57.76 -01 56 35.8 – t H21
2011-10-16 03:52:06 C 00 00 01.69 -01 56 33.7 – t H21
2011-10-16 18:43:56 C 00 07 51.74 -01 52 48.9 – o 046
2011-10-16 18:45:02 C 00 07 52.26 -01 52 49.4 – o 046
2011-10-16 18:46:51 C 00 07 53.15 -01 52 48.6 – o 046
2011-10-16 18:47:48 C 00 07 53.63 -01 52 48.1 – o 046
2011-10-16 18:48:45 C 00 07 54.13 -01 52 47.7 – o 046
2011-10-16 20:53:30 C 00 08 56.26 -01 52 10.0 – t 204
2011-10-16 20:56:32 C 00 08 57.75 -01 52 09.3 – t 204
2011-10-16 20:59:34 C 00 08 59.23 -01 52 08.4 – t 204
2011-10-16 21:02:27 C 00 09 00.65 -01 52 07.6 – t 204
2011-10-16 21:05:45 C 00 09 02.27 -01 52 06.8 – t 204
2011-10-16 23:40:47 C 00 10 26.36 -01 48 48.9 – o 807
2011-10-16 23:44:28 C 00 10 28.19 -01 48 47.6 – o 807
2011-10-16 23:51:48 C 00 10 31.80 -01 48 45.7 – o 807
2011-10-16 23:55:26 C 00 10 33.59 -01 48 44.6 – o 807
2011-10-17 01:36:12 C 00 11 25.75 -01 50 26.4 – o G48
2011-10-17 01:36:40 C 00 11 25.97 -01 50 26.3 – o G48
2011-10-17 01:37:11 C 00 11 26.21 -01 50 26.0 – o G48
2011-10-17 01:37:39 C 00 11 26.47 -01 50 25.9 – o G48
2011-10-17 01:38:38 C 00 11 26.91 -01 50 25.5 – o G48
2011-10-17 05:29:04 C 00 13 19.56 -01 49 34.4 – t G56
2011-10-17 05:31:12 C 00 13 20.59 -01 49 33.7 – t G56
2011-10-17 05:36:03 C 00 13 22.90 -01 49 31.9 – t G56
2011-10-17 05:39:27 C 00 13 24.53 -01 49 31.2 – t G56
2011-10-17 05:43:36 C 00 13 26.50 -01 49 30.0 – t G56
2011-10-17 05:59:03 C 00 13 30.88 -01 49 27.4 – u H36
2011-10-17 05:59:41 C 00 13 31.15 -01 49 27.2 – u H36