9400 (1994 TW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5807034709 ± 3.55e-09
Semi-major axis (a)2.5881020625 AU ± 1.90e-09
Inclination (i)35.98468731° ± 1.16e-06
Long. of Asc. Node (Ω)3.34616125° ± 1.27e-06
Arg. of Perihelion (ω)62.17387561° ± 8.67e-07
Mean Anomaly (M)145.88459058° ± 1.05e-06
Mean Motion (n)0.2367228484°/day ± 2.60e-10
Perihelion dist (q)1.08518221 AU ± 9.22e-09
Aphelion dist (Q)4.09102191 AU ± 9.66e-09
Orbital Period4.16362970 yr ± 4.58e-09
Physical Parameters
H (abs. magnitude)14.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.051″
Uncertainty0
Orbit TypeAmor
MOID0.283728 AU
Observations Used1787
Gaia Obs Used61
Oppositions19
Arc Total1991-2025
First Observation Used1991-03-18
Last Observation Used2025-03-29
Observations (2003)
Date Type RA Dec Mag Band Observatory
2008-02-03 09:44:55 C 13 40 00.87 -10 08 28.6 19.1 c 704
2008-02-03 10:20:54 C 13 40 00.36 -10 08 43.1 19.2 c 704
2008-02-03 10:57:15 C 13 39 59.88 -10 08 56.3 19.3 c 704
2008-02-11 09:30:29 C 13 36 24.37 -11 18 41.8 18.6 c 704
2008-02-11 09:48:08 C 13 36 23.90 -11 18 48.5 19.2 c 704
2008-02-11 10:05:50 C 13 36 23.44 -11 18 54.1 19.2 c 704
2008-02-11 10:23:31 C 13 36 22.99 -11 19 00.5 19.1 c 704
2008-02-11 10:41:20 C 13 36 22.49 -11 19 06.4 19.3 c 704
2008-02-18 10:59:11 C 13 31 19.76 -12 14 18.5 c 926
2008-02-18 11:19:40 C 13 31 19.01 -12 14 24.7 c 926
2008-02-18 11:47:13 C 13 31 18.03 -12 14 33.2 c 926
2008-02-27 09:19:54 C 13 22 25.84 -13 14 30.4 18.7 c 704
2008-02-27 09:36:56 C 13 22 25.02 -13 14 35.4 19.1 c 704
2008-02-27 09:53:56 C 13 22 24.16 -13 14 39.9 19.2 c 704
2008-02-27 10:11:02 C 13 22 23.33 -13 14 43.9 18.9 c 704
2008-02-27 10:28:04 C 13 22 22.50 -13 14 48.5 19.2 c 704
2008-02-28 10:40:15 C 13 21 12.05 -13 20 46.0 o 691
2008-02-28 11:05:40 C 13 21 10.77 -13 20 52.1 o 691
2008-02-28 11:28:45 C 13 21 09.57 -13 20 57.2 r 703
2008-02-28 11:31:05 C 13 21 09.49 -13 20 58.4 o 691
2008-02-28 11:39:45 C 13 21 09.00 -13 21 00.9 r 703
2008-02-28 11:50:48 C 13 21 08.46 -13 21 03.2 r 703
2008-02-28 12:02:00 C 13 21 07.88 -13 21 06.0 r 703
2008-03-02 09:20:17 C 13 17 36.10 -13 37 14.5 18.8 c 704
2008-03-02 09:36:57 C 13 17 35.13 -13 37 18.1 18.5 c 704
2008-03-02 09:53:42 C 13 17 34.25 -13 37 21.3 18.6 c 704
2008-03-02 10:10:18 C 13 17 33.35 -13 37 25.7 18.6 c 704
2008-03-02 10:26:55 C 13 17 32.46 -13 37 27.9 18.6 c 704
2008-03-03 09:38:24 C 13 16 18.13 -13 42 32.9 o 691
2008-03-03 09:41:57 C 13 16 17.89 -13 42 32.0 o 691
2008-03-03 10:03:50 C 13 16 16.71 -13 42 38.6 o 691
2008-03-03 10:07:22 C 13 16 16.51 -13 42 39.2 o 691
2008-03-03 10:34:15 C 13 16 15.03 -13 42 45.1 o 691
2008-03-03 10:37:48 C 13 16 14.84 -13 42 45.7 o 691
2008-03-07 09:17:47 C 13 10 55.31 -14 01 36.2 18.2 c 704
2008-03-07 09:33:56 C 13 10 54.32 -14 01 39.5 19.0 c 704
2008-03-07 09:49:51 C 13 10 53.46 -14 01 42.0 18.3 c 704
2008-03-07 10:05:42 C 13 10 52.49 -14 01 45.1 18.9 c 704
2008-03-07 10:21:34 C 13 10 51.51 -14 01 48.5 18.7 c 704
2008-03-09 09:17:53 C 13 08 04.44 -14 10 02.5 o 691
2008-03-09 09:48:23 C 13 08 02.58 -14 10 07.5 o 691
2008-03-09 10:13:52 C 13 08 01.02 -14 10 12.1 o 691
2008-03-10 09:12:47 C 13 06 37.34 -14 13 57.9 18.5 c 704
2008-03-10 09:29:26 C 13 06 36.48 -14 14 01.1 19.9 c 704
2008-03-10 09:45:49 C 13 06 35.28 -14 14 02.8 18.4 c 704
2008-03-10 10:02:11 C 13 06 34.26 -14 14 05.4 18.6 c 704
2008-03-10 10:18:33 C 13 06 33.17 -14 14 06.8 18.5 c 704
2008-03-13 09:14:50 C 13 02 07.92 -14 24 35.0 o 691
2008-03-13 09:40:22 C 13 02 06.27 -14 24 38.5 o 691
2008-03-13 10:05:55 C 13 02 04.62 -14 24 41.8 o 691