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
2023-02-13 02:09:05 C 00 01 29.082 +33 26 15.72 V G96
2023-02-13 02:15:12 C 00 01 29.536 +33 26 18.38 V G96
2023-02-13 02:21:19 C 00 01 30.079 +33 26 21.34 V G96
2023-02-13 02:27:27 C 00 01 30.623 +33 26 24.14 V G96
2023-04-07 20:19:06 C 03 02 58.510 +44 01 24.82 V Z80
2023-04-07 20:31:24 C 03 03 01.106 +44 01 26.76 V Z80
2023-04-07 20:43:50 C 03 03 03.696 +44 01 29.10 V Z80
2023-07-28 23:45:27 C 10 53 54.026 -19 09 41.26 V W68
2023-07-28 23:49:29 C 10 53 54.530 -19 09 46.87 V W68
2023-07-28 23:58:55 C 10 53 55.630 -19 10 00.91 V W68
2023-07-29 00:21:26 C 10 53 58.277 -19 10 35.62 V W68
2023-08-03 23:29:07 C 11 11 05.626 -22 37 53.04 V W68
2023-08-03 23:33:41 C 11 11 06.175 -22 37 59.38 V W68
2023-08-03 23:41:44 C 11 11 07.162 -22 38 09.82 V W68
2023-08-04 00:02:28 C 11 11 09.622 -22 38 39.62 V W68
2023-08-06 23:21:22 C 11 19 45.756 -24 17 06.94 V W68
2023-08-06 23:26:41 C 11 19 46.488 -24 17 13.27 V W68
2023-08-06 23:34:34 C 11 19 47.328 -24 17 24.04 V W68
2023-08-06 23:56:38 C 11 19 49.997 -24 17 54.20 V W68
2023-08-11 17:34:02 C 11 33 40.118 -26 48 13.03 V M22
2023-08-11 17:39:01 C 11 33 40.778 -26 48 18.76 V M22
2023-08-11 17:46:25 C 11 33 41.635 -26 48 28.91 V M22
2023-08-11 18:00:44 C 11 33 43.421 -26 48 46.33 V M22
2023-08-23 17:41:28 C 12 09 39.413 -32 34 08.69 V M22
2023-08-23 17:46:24 C 12 09 39.982 -32 34 14.56 V M22
2023-08-23 17:53:50 C 12 09 40.937 -32 34 22.66 V M22
2023-08-23 18:12:06 C 12 09 43.325 -32 34 42.53 V M22
2024-08-01 11:23:19 C 22 17 27.475 -46 08 45.18 X F51
2024-08-01 11:34:30 C 22 17 26.773 -46 08 46.66 X F51
2024-08-01 11:45:39 C 22 17 26.064 -46 08 48.30 X F51
2024-08-01 11:56:47 C 22 17 25.374 -46 08 50.20 X F51
2024-09-05 07:55:12 C 21 25 39.136 -45 39 06.90 X F51
2024-09-05 08:07:02 C 21 25 38.565 -45 39 04.37 X F51
2024-09-05 08:18:50 C 21 25 37.920 -45 39 01.88 X F51
2025-07-04 13:25:43 C 23 48 49.427 -10 12 30.69 X F52
2025-07-04 13:41:13 C 23 48 49.358 -10 12 30.24 X F52
2025-07-04 13:56:43 C 23 48 49.249 -10 12 30.04 X F52
2025-07-04 14:12:12 C 23 48 49.189 -10 12 29.58 X F52
2025-07-20 13:33:55 C 23 44 35.616 -10 13 29.39 X F52
2025-07-20 13:48:42 C 23 44 35.340 -10 13 29.81 X F52
2025-07-20 14:03:30 C 23 44 35.080 -10 13 30.42 X F52
2025-07-25 13:12:56 C 23 42 16.035 -10 18 11.00 X F51
2025-07-25 13:29:05 C 23 42 15.672 -10 18 11.89 X F51
2025-07-25 13:45:13 C 23 42 15.297 -10 18 12.34 X F51
2025-08-28 10:09:39 C 23 14 41.289 -11 26 07.79 X F52
2025-08-28 10:25:31 C 23 14 40.583 -11 26 09.37 X F52
2025-08-28 10:41:19 C 23 14 39.875 -11 26 10.91 X F52
2025-09-01 11:15:50 C 23 10 23.130 -11 35 28.44 X F51
2025-09-01 11:32:05 C 23 10 22.388 -11 35 30.03 X F51
2025-09-01 11:48:18 C 23 10 21.645 -11 35 31.65 X F51