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
2011-11-22 05:15:25 C 03 04 42.31 +03 12 49.8 r 703
2011-11-22 05:25:22 C 03 04 42.92 +03 12 53.8 r 703
2011-11-22 05:35:15 C 03 04 43.35 +03 12 59.3 r 703
2011-11-22 09:14:07 C 03 04 55.898 +03 14 32.40 L F51
2011-11-22 10:27:58 C 03 04 59.453 +03 15 01.60 L F51
2011-11-22 10:48:44 C 03 05 00.464 +03 15 09.76 L F51
2011-11-23 04:16:47 C 03 06 03.20 +03 21 59.6 o 695
2011-11-23 04:28:18 C 03 06 03.76 +03 22 04.2 o 695
2011-11-23 04:39:09 C 03 06 04.29 +03 22 08.6 o 695
2011-12-02 00:33:18 C 03 16 49.18 +04 50 05.9 o 807
2011-12-02 00:41:57 C 03 16 49.55 +04 50 09.8 o 807
2011-12-02 00:50:02 C 03 16 49.86 +04 50 13.1 o 807
2011-12-22 03:17:11 C 03 38 01.21 +08 19 05.2 o 807
2011-12-22 03:32:07 C 03 38 01.84 +08 19 11.8 o 807
2011-12-22 03:47:02 C 03 38 02.43 +08 19 18.2 o 807
2011-12-23 07:34:01 C 03 39 17.61 +08 30 59.9 o 291
2011-12-23 07:39:37 C 03 39 17.83 +08 31 01.4 o 291
2015-02-17 10:38:42 C 09 52 09.165 +07 10 07.54 t 568
2015-02-17 10:53:20 C 09 52 08.349 +07 10 12.55 t 568
2015-02-17 11:07:57 C 09 52 07.544 +07 10 17.51 t 568
2015-02-19 12:46:27 C 09 49 28.646 +07 27 20.18 t 568
2015-02-19 13:01:58 C 09 49 27.799 +07 27 25.34 t 568