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
2018-08-14 19:27:02 C 00 34 18.42 +16 28 20.3 q D29
2018-08-14 19:47:23 C 00 34 17.80 +16 28 25.6 q D29
2018-09-09 06:28:11 C 00 09 43.33 +18 33 50.8 V G96
2018-09-09 06:35:40 C 00 09 42.90 +18 33 51.7 V G96
2018-09-09 06:43:07 C 00 09 42.50 +18 33 52.8 V G96
2018-09-09 06:50:34 C 00 09 42.08 +18 33 53.5 V G96
2018-09-11 18:54:07 C 00 06 24.43 +18 40 41.5 q D29
2018-09-11 19:14:29 C 00 06 23.31 +18 40 43.5 q D29
2018-09-12 07:13:38 C 00 05 43.29 +18 41 55.6 703
2018-09-12 07:21:50 C 00 05 42.85 +18 41 56.7 703
2018-09-12 07:30:04 C 00 05 42.32 +18 41 57.6 703
2018-09-12 07:40:09 C 00 05 41.68 +18 41 59.4 703
2018-09-18 05:54:58 C 23 57 23.82 +18 52 37.3 V 703
2018-09-18 06:02:32 C 23 57 23.37 +18 52 36.2 V 703
2018-09-18 06:10:04 C 23 57 22.84 +18 52 38.0 V 703
2018-09-18 06:17:37 C 23 57 22.36 +18 52 38.0 V 703
2018-09-29 07:05:10 C 23 40 53.59 +18 53 39.8 V 703
2018-09-29 07:13:05 C 23 40 53.08 +18 53 40.3 V 703
2018-09-29 07:20:59 C 23 40 52.65 +18 53 39.3 V 703
2018-09-29 07:28:55 C 23 40 52.08 +18 53 39.6 V 703
2018-10-13 13:48:56 C 23 19 53.41 +18 22 25.8 q D29
2018-10-13 14:09:17 C 23 19 52.25 +18 22 22.9 q D29
2018-10-18 05:18:09 C 23 13 41.798 +18 06 34.32 U F52
2018-10-18 05:37:14 C 23 13 40.762 +18 06 31.68 U F52
2018-10-18 05:56:19 C 23 13 39.730 +18 06 28.73 U F52
2018-10-18 06:15:26 C 23 13 38.686 +18 06 25.94 U F52
2018-10-18 13:27:09 C 23 13 15.55 +18 05 19.2 q D29
2018-10-18 13:52:37 C 23 13 14.10 +18 05 16.1 q D29
2018-10-21 20:28:23 C 23 09 11.22 +17 52 59.7 V C95
2018-10-21 20:45:19 C 23 09 10.41 +17 52 58.4 V C95
2018-11-02 13:24:46 C 22 57 06.84 +17 07 17.0 q D29
2018-11-02 13:45:08 C 22 57 06.16 +17 07 13.7 q D29
2018-11-07 03:26:34 C 22 53 31.60 +16 50 15.3 U I41
2018-11-07 03:29:17 C 22 53 31.50 +16 50 14.7 U I41
2018-11-07 04:55:12 C 22 53 28.88 +16 50 02.2 U I41
2018-11-07 05:10:33 C 22 53 28.43 +16 49 59.9 U I41
2018-11-09 03:07:15 C 22 52 10.92 +16 43 18.4 V G96
2018-11-09 03:15:27 C 22 52 10.66 +16 43 17.3 V G96
2018-11-09 03:23:36 C 22 52 10.44 +16 43 16.0 V G96
2018-11-09 03:31:46 C 22 52 10.22 +16 43 15.0 V G96
2021-09-07 09:23:46 C 22 49 13.218 -18 22 29.32 U F52
2021-09-07 09:40:18 C 22 49 12.465 -18 22 30.17 U F52
2021-09-07 09:56:51 C 22 49 11.703 -18 22 31.33 U F52
2021-09-29 07:59:20 C 22 27 09.006 -18 31 15.19 U F51
2021-09-29 08:16:05 C 22 27 08.381 -18 31 14.68 U F51
2021-09-29 08:32:49 C 22 27 07.754 -18 31 13.97 U F51
2021-09-29 08:49:33 C 22 27 07.126 -18 31 13.25 U F51
2021-10-03 06:24:19 C 22 23 49.972 -18 27 00.69 U F52
2021-10-03 06:40:00 C 22 23 49.455 -18 26 59.90 U F52
2021-10-03 06:55:41 C 22 23 48.904 -18 26 58.95 U F52