333908 (1999 TN12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3905108855 ± 3.38e-08
Semi-major axis (a)1.8867481378 AU ± 2.93e-09
Inclination (i)37.27832805° ± 5.94e-06
Long. of Asc. Node (Ω)212.32025831° ± 5.69e-06
Arg. of Perihelion (ω)150.36127245° ± 9.71e-06
Mean Anomaly (M)43.33825497° ± 5.90e-06
Mean Motion (n)0.3803131841°/day ± 8.85e-10
Perihelion dist (q)1.14995245 AU ± 6.39e-08
Aphelion dist (Q)2.62354382 AU ± 6.40e-08
Orbital Period2.59161745 yr ± 6.03e-09
Physical Parameters
H (abs. magnitude)17.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.324″
Uncertainty0
Orbit TypeAmor
MOID0.191623 AU
Observations Used319
Oppositions16
Arc Total1999-2025
First Observation Used1999-10-10
Last Observation Used2025-08-26
Observations (334)
Date Type RA Dec Mag Band Observatory
1999-12-03 06:48:24 C 05 21 56.93 -39 41 52.4 c 829
1999-12-03 06:57:36 C 05 21 56.21 -39 41 58.7 c 829
1999-12-03 07:01:52 C 05 21 55.95 -39 42 01.3 c 829
1999-12-03 15:18:57 C 05 21 22.44 -39 47 35.5 z 428
1999-12-03 15:27:43 C 05 21 21.81 -39 47 40.8 z 428
2000-01-03 17:25:26 C 04 45 41.83 -39 50 35.2 413
2000-01-03 17:31:58 C 04 45 41.69 -39 50 31.8 413
2000-03-15 09:29:56 C 05 39 02.22 -20 19 44.5 413
2000-03-15 09:32:54 C 05 39 02.42 -20 19 43.0 413
2000-03-15 09:36:08 C 05 39 02.58 -20 19 40.5 413
2001-06-19 22:20:47 C 12 54 03.42 -00 25 10.5 493
2001-06-19 22:46:18 C 12 54 03.82 -00 25 02.3 493
2001-06-20 22:05:41 C 12 54 24.27 -00 18 31.2 493
2001-06-20 22:19:22 C 12 54 24.36 -00 18 27.4 493
2001-06-21 21:44:59 C 12 54 46.29 -00 12 09.8 493
2001-06-21 21:58:32 C 12 54 46.55 -00 12 06.0 493
2004-05-07 06:36:16 C 17 29 26.45 +15 15 22.1 r 649
2004-05-07 06:43:06 C 17 29 26.40 +15 15 32.9 r 649
2004-06-06 21:33:59 C 16 58 09.25 +32 10 11.7 o 151
2004-06-06 21:37:52 C 16 58 09.01 +32 10 16.6 o 151
2004-06-06 21:39:16 C 16 58 08.97 +32 10 18.2 o 151
2004-06-06 21:46:54 C 16 58 08.44 +32 10 25.8 o 151
2004-06-27 06:47:59 C 16 27 14.37 +38 32 59.9 d 703
2004-06-27 07:02:47 C 16 27 13.60 +38 33 06.1 d 703
2004-06-27 07:14:52 C 16 27 12.81 +38 33 13.2 d 703
2004-06-27 07:26:57 C 16 27 12.13 +38 33 17.4 d 703
2004-07-03 21:36:29 C 16 18 42.86 +39 31 15.8 r 170
2004-07-03 21:38:11 C 16 18 42.77 +39 31 16.2 r 170
2004-07-22 22:47:19 C 16 04 09.25 +39 57 51.3 c 113
2004-07-22 22:53:49 C 16 04 09.18 +39 57 50.9 c 113
2004-07-22 22:59:26 C 16 04 09.07 +39 57 50.2 c 113
2004-07-22 23:05:03 C 16 04 09.00 +39 57 49.3 c 113
2004-08-06 21:18:34 C 16 05 12.34 +38 37 22.2 r 941
2004-08-06 21:20:13 C 16 05 12.36 +38 37 21.8 r 941
2004-08-06 21:21:51 C 16 05 12.38 +38 37 21.2 r 941
2004-08-06 21:23:30 C 16 05 12.40 +38 37 20.8 r 941
2004-08-06 21:26:47 C 16 05 12.43 +38 37 19.5 r 941
2004-09-16 02:45:40 C 17 01 17.36 +30 43 16.0 19.8 c 704
2004-09-16 03:02:09 C 17 01 18.84 +30 43 05.2 19.8 c 704
2004-09-16 03:18:38 C 17 01 20.44 +30 42 53.8 19.8 c 704
2004-09-16 03:35:06 C 17 01 22.10 +30 42 42.0 20.1 c 704
2004-09-16 03:51:34 C 17 01 23.64 +30 42 30.4 20.1 c 704
2004-10-04 04:54:02 C 17 51 49.93 +24 52 09.2 c G90
2004-10-04 04:58:33 C 17 51 50.51 +24 52 04.7 c G90
2004-10-04 05:03:04 C 17 51 51.18 +24 52 00.1 c G90
2004-10-05 03:34:29 C 17 54 56.27 +24 30 16.2 c G90
2004-10-05 03:39:00 C 17 54 56.89 +24 30 11.6 c G90
2004-10-05 03:43:31 C 17 54 57.51 +24 30 07.2 c G90
2009-04-22 06:33:15 C 15 25 08.69 -05 15 59.3 o 691
2009-04-22 06:58:43 C 15 25 07.49 -05 15 34.0 o 691