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
1999-10-06 04:58:28 C 23 55 43.83 +32 17 00.1 c 699
1999-10-06 05:42:25 C 23 55 40.16 +32 17 01.6 c 699
1999-10-06 06:22:29 C 23 55 36.88 +32 17 04.2 c 699
1999-10-14 03:54:44 C 23 40 02.51 +32 13 58.0 19.0 a 704
1999-10-14 04:17:20 C 23 40 00.65 +32 13 55.2 19.3 a 704
1999-10-14 04:39:47 C 23 39 58.76 +32 13 54.4 19.2 a 704
1999-10-14 05:02:12 C 23 39 56.85 +32 13 54.0 19.7 a 704
1999-10-14 05:24:38 C 23 39 55.14 +32 13 50.8 19.5 a 704
1999-10-15 03:55:54 C 23 38 06.32 +32 12 00.1 19.0 a 704
1999-10-15 04:18:22 C 23 38 04.47 +32 11 58.3 19.7 a 704
1999-10-15 04:40:55 C 23 38 02.60 +32 11 56.5 19.6 a 704
1999-10-15 05:03:20 C 23 38 00.80 +32 11 54.9 19.6 a 704
1999-10-15 05:25:48 C 23 37 58.94 +32 11 52.6 19.3 a 704
1999-10-16 03:55:32 C 23 36 11.11 +32 09 43.4 19.0 a 704
1999-10-16 04:23:03 C 23 36 08.90 +32 09 41.0 18.9 a 704
1999-10-16 05:08:49 C 23 36 05.15 +32 09 35.9 18.8 a 704
1999-10-16 05:33:30 C 23 36 03.13 +32 09 33.6 18.9 a 704
1999-11-11 02:45:49 C 22 56 45.89 +29 53 12.7 c 699
1999-11-11 03:51:47 C 22 56 43.11 +29 52 52.1 c 699
2002-08-19 11:32:42 C 23 22 05.31 -12 33 33.6 c 644
2002-08-19 11:47:42 C 23 22 04.63 -12 33 34.2 c 644
2002-08-19 12:02:32 C 23 22 04.07 -12 33 36.0 c 644
2002-09-16 08:35:15 C 22 52 43.04 -13 34 35.9 c 644
2002-09-16 09:10:55 C 22 52 41.40 -13 34 37.4 c 644
2002-09-16 09:41:21 C 22 52 39.98 -13 34 39.3 c 644
2003-08-04 00:20:56 C 01 48 44.72 +33 25 58.5 c 246
2003-08-04 00:22:30 C 01 48 44.76 +33 25 59.7 c 246
2003-08-04 00:23:54 C 01 48 44.82 +33 26 00.4 c 246
2003-08-04 00:25:25 C 01 48 44.83 +33 26 01.6 c 246
2003-08-04 00:26:55 C 01 48 44.84 +33 26 02.7 c 246
2003-08-04 00:28:46 C 01 48 44.86 +33 26 04.3 c 246
2003-08-05 00:09:57 C 01 49 11.83 +33 44 10.4 c 246
2003-08-05 00:11:32 C 01 49 11.79 +33 44 11.8 c 246
2003-08-05 00:12:59 C 01 49 11.86 +33 44 13.1 c 246
2003-08-05 00:16:19 C 01 49 11.96 +33 44 15.3 c 246
2003-08-23 01:21:31 C 01 53 23.73 +39 39 14.3 198
2003-08-23 01:24:04 C 01 53 23.77 +39 39 16.2 198
2003-08-23 01:26:35 C 01 53 23.79 +39 39 18.0 198
2003-09-20 04:41:00 C 01 33 45.79 +50 05 21.1 r 734
2003-09-20 04:47:51 C 01 33 44.92 +50 05 28.4 r 734
2003-09-24 21:14:43 C 01 25 24.59 +51 48 41.2 240
2003-09-24 21:26:22 C 01 25 23.54 +51 48 51.9 240
2003-09-24 21:27:38 C 01 25 23.45 +51 48 52.9 240
2003-09-24 21:35:24 C 01 25 22.71 +51 48 59.6 240
2003-09-24 21:38:08 C 01 25 22.46 +51 49 02.0 240
2003-09-30 19:00:56 C 01 12 07.27 +53 51 06.1 151
2003-09-30 19:03:24 C 01 12 06.99 +53 51 07.7 151
2003-09-30 19:04:35 C 01 12 06.91 +53 51 08.0 151
2003-09-30 19:04:59 C 01 12 06.80 +53 51 08.8 151
2003-10-03 02:25:04 C 01 06 03.11 +54 35 31.2 o 830