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
2021-10-03 07:11:26 C 22 23 48.353 -18 26 58.20 U F52
2021-11-01 03:00:20 C 22 08 36.89 -17 06 58.7 V G96
2021-11-01 03:07:16 C 22 08 36.77 -17 06 57.4 V G96
2021-11-01 03:14:14 C 22 08 36.67 -17 06 56.1 V G96
2021-11-01 03:21:11 C 22 08 36.63 -17 06 55.2 V G96
2022-09-15 07:24:04 C 00 32 38.166 +31 53 29.44 V 703
2022-09-15 07:32:11 C 00 32 37.727 +31 53 32.71 V 703
2022-09-15 07:48:51 C 00 32 36.611 +31 53 37.43 V 703
2022-09-16 13:54:48 C 00 30 38.103 +32 03 42.94 U F52
2022-09-16 14:10:17 C 00 30 37.069 +32 03 47.82 U F52
2022-09-16 14:25:53 C 00 30 36.011 +32 03 52.88 U F52
2022-09-16 14:41:23 C 00 30 34.965 +32 03 57.82 U F52
2022-09-17 07:49:10 C 00 29 26.516 +32 09 29.77 V 703
2022-09-17 07:57:46 C 00 29 25.940 +32 09 32.18 V 703
2022-09-17 08:06:27 C 00 29 25.336 +32 09 35.17 V 703
2022-09-17 08:14:57 C 00 29 24.695 +32 09 37.87 V 703
2022-09-18 10:09:17 C 00 27 38.863 +32 17 44.45 V T08
2022-09-18 10:13:16 C 00 27 38.621 +32 17 45.46 V T08
2022-09-18 10:17:15 C 00 27 38.258 +32 17 47.15 V T08
2022-09-18 10:24:34 C 00 27 37.843 +32 17 48.59 V T08
2022-09-19 06:52:38 C 00 26 12.512 +32 23 56.36 V G96
2022-09-19 07:00:49 C 00 26 11.926 +32 23 59.03 V G96
2022-09-19 07:09:00 C 00 26 11.350 +32 24 01.33 V G96
2022-09-19 07:17:12 C 00 26 10.759 +32 24 03.92 V G96
2022-09-19 11:12:47 C 00 25 54.118 +32 25 14.05 V T05
2022-09-19 11:18:39 C 00 25 53.746 +32 25 15.49 V T05
2022-09-19 11:26:28 C 00 25 53.136 +32 25 17.62 V T05
2022-09-19 11:44:10 C 00 25 51.869 +32 25 23.16 V T05
2022-09-20 08:09:53 C 00 24 25.020 +32 31 14.63 V 703
2022-09-20 08:17:59 C 00 24 24.361 +32 31 16.54 V 703
2022-09-20 08:26:34 C 00 24 23.828 +32 31 18.37 V 703
2022-09-20 08:34:34 C 00 24 23.281 +32 31 20.96 V 703
2022-09-20 10:46:47 C 00 24 13.867 +32 31 59.63 V T05
2022-09-20 10:51:35 C 00 24 13.546 +32 32 00.78 V T05
2022-09-20 11:06:18 C 00 24 12.514 +32 32 04.96 V T05
2022-09-20 11:20:29 C 00 24 11.441 +32 32 09.49 V T05
2022-09-21 10:56:27 C 00 22 29.222 +32 38 35.66 V T08
2022-09-21 11:20:02 C 00 22 27.535 +32 38 42.65 V T08
2022-09-21 11:49:43 C 00 22 25.289 +32 38 50.71 V T08
2022-09-21 12:04:57 C 00 22 24.168 +32 38 54.49 V T08
2022-09-22 09:54:02 C 00 20 48.348 +32 44 34.76 V T08
2022-09-22 09:54:42 C 00 20 48.262 +32 44 35.12 V T08
2022-09-22 10:17:37 C 00 20 46.536 +32 44 42.18 V T08
2022-09-22 10:19:36 C 00 20 46.346 +32 44 41.78 V T08
2022-09-22 10:29:51 C 00 20 45.554 +32 44 44.27 V T08
2022-09-22 10:35:11 C 00 20 45.228 +32 44 46.10 V T08
2022-09-22 10:39:10 C 00 20 44.827 +32 44 46.43 V T08
2022-09-23 08:35:25 C 00 19 07.052 +32 50 12.07 U F52
2022-09-23 08:50:13 C 00 19 05.918 +32 50 15.71 U F52
2022-09-23 09:04:54 C 00 19 04.803 +32 50 19.30 U F52