137427 (1999 TF211)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6118006054 ± 5.33e-09
Semi-major axis (a)2.4395205680 AU ± 3.65e-09
Inclination (i)39.50642464° ± 5.61e-07
Long. of Asc. Node (Ω)347.89661414° ± 1.41e-06
Arg. of Perihelion (ω)162.38811104° ± 2.43e-06
Mean Anomaly (M)235.99995125° ± 5.63e-06
Mean Motion (n)0.2586756506°/day ± 5.80e-10
Perihelion dist (q)0.94702041 AU ± 1.31e-08
Aphelion dist (Q)3.93202073 AU ± 1.43e-08
Orbital Period3.81027855 yr ± 8.54e-09
Physical Parameters
H (abs. magnitude)15.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.026″
Uncertainty0
Orbit TypeApollo
MOID0.028189 AU
Observations Used677
Gaia Obs Used89
Oppositions13
Arc Total1999-2025
First Observation Used1999-10-06
Last Observation Used2025-09-16
Observations (705)
Date Type RA Dec Mag Band Observatory
2008-01-13 12:25:31 C 15 22 05.66 +02 39 19.4 17.1 c 704
2008-01-24 10:41:14 C 15 42 12.94 -12 06 26.6 r H51
2008-01-24 10:41:53 C 15 42 13.00 -12 06 28.8 r H51
2008-01-24 10:43:11 C 15 42 13.10 -12 06 33.0 r H51
2008-01-24 10:44:28 C 15 42 13.24 -12 06 38.0 r H51
2008-01-24 10:50:15 C 15 42 13.62 -12 06 58.2 r H51
2008-01-24 10:51:33 C 15 42 13.69 -12 07 02.2 r H51
2008-01-27 17:22:18 C 15 48 58.78 -16 37 31.6 r E12
2008-01-27 17:30:27 C 15 48 59.50 -16 37 59.8 r E12
2008-01-27 17:38:40 C 15 49 00.19 -16 38 27.6 r E12
2008-01-27 17:46:56 C 15 49 00.94 -16 38 56.6 r E12
2010-09-04 08:21:57 C 23 34 50.01 +00 27 15.0 r G96
2010-09-04 08:31:12 C 23 34 49.54 +00 27 14.2 r G96
2010-09-04 08:40:26 C 23 34 49.15 +00 27 13.8 r G96
2010-09-04 08:49:43 C 23 34 48.72 +00 27 13.6 r G96
2010-09-19 08:52:21 C 23 17 24.24 +00 01 54.5 r I41
2010-09-19 09:54:00 C 23 17 21.21 +00 01 50.1 r I41
2012-03-11 09:05:43 C 19 46 09.76 -58 31 03.8 o 807
2012-03-11 09:11:47 C 19 46 10.68 -58 31 06.0 o 807
2012-06-05 07:15:19 C 22 29 20.91 -71 04 16.3 u 807
2012-06-05 07:31:45 C 22 29 20.27 -71 04 25.7 u 807
2012-06-05 07:47:44 C 22 29 19.60 -71 04 34.7 u 807
2012-06-08 07:30:37 C 22 25 58.84 -71 44 16.5 u 807
2012-06-08 07:37:33 C 22 25 58.45 -71 44 20.2 u 807
2012-06-08 07:44:30 C 22 25 58.11 -71 44 23.9 u 807
2012-06-08 07:52:14 C 22 25 57.69 -71 44 28.6 u 807
2012-07-30 05:25:14 C 19 05 46.21 -73 04 02.2 u 807
2012-07-30 05:35:08 C 19 05 44.95 -73 03 56.3 u 807
2012-07-30 05:45:12 C 19 05 43.68 -73 03 50.2 u 807
2012-07-30 05:55:21 C 19 05 42.39 -73 03 44.0 u 807
2014-07-27 13:15:35 C 00 21 18.518 +06 53 13.98 L F51
2014-07-27 13:31:12 C 00 21 18.315 +06 53 16.63 L F51
2014-07-27 13:46:48 C 00 21 18.094 +06 53 19.50 L F51
2014-07-27 14:02:17 C 00 21 17.878 +06 53 22.40 L F51
2014-08-28 14:11:38 C 23 59 43.592 +08 24 10.27 L F51
2014-08-28 14:23:42 C 23 59 43.058 +08 24 10.64 L F51
2014-10-01 10:36:33 C 23 18 18.534 +07 58 46.13 L F51
2014-10-01 11:26:22 C 23 18 15.885 +07 58 41.47 L F51
2014-10-28 05:18:08 C 22 50 35.278 +06 57 07.56 L F51
2014-10-28 05:35:32 C 22 50 34.720 +06 57 06.22 L F51
2014-10-28 05:52:57 C 22 50 34.164 +06 57 04.98 L F51
2014-10-28 06:10:22 C 22 50 33.613 +06 57 03.49 L F51
2017-09-15 08:52:17 C 22 27 29.548 -24 01 14.74 L F51
2017-09-15 09:05:17 C 22 27 28.985 -24 01 14.64 L F51
2017-09-15 09:18:15 C 22 27 28.417 -24 01 14.62 L F51
2017-09-15 09:31:14 C 22 27 27.846 -24 01 14.51 L F51
2017-09-16 08:44:30 C 22 26 28.374 -24 00 59.60 L F51
2017-09-16 09:18:42 C 22 26 26.884 -24 00 58.96 L F51
2017-09-16 09:35:48 C 22 26 26.140 -24 00 58.73 L F51
2018-08-14 19:06:40 C 00 34 18.85 +16 28 15.1 q D29