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
2012-03-02 06:53:09 C 12 45 24.48 +05 09 00.0 17.7 c 704
2012-03-02 07:10:09 C 12 45 23.09 +05 08 55.5 17.6 c 704
2012-03-02 07:26:54 C 12 45 21.73 +05 08 52.1 17.7 c 704
2012-03-02 07:43:59 C 12 45 20.26 +05 08 47.8 17.7 c 704
2012-03-13 07:29:54 C 12 23 07.54 +04 12 00.1 r 703
2012-03-13 07:38:30 C 12 23 06.82 +04 11 58.2 r 703
2012-03-13 07:47:16 C 12 23 06.03 +04 11 56.2 r 703
2012-03-13 07:55:53 C 12 23 05.28 +04 11 54.6 r 703
2012-03-13 08:34:35 C 12 23 01.93 +04 11 46.3 r 703
2012-03-13 08:42:13 C 12 23 01.24 +04 11 44.1 r 703
2012-03-13 08:49:50 C 12 23 00.60 +04 11 42.4 r 703
2012-03-13 08:57:31 C 12 22 59.91 +04 11 41.0 r 703
2012-03-13 22:21:42 C 12 21 51.45 +04 08 46.8 u A13
2012-03-13 22:53:21 C 12 21 48.70 +04 08 40.0 u A13
2012-03-13 23:25:39 C 12 21 45.89 +04 08 33.1 u A13
2012-03-14 01:09:19 C 12 21 36.87 +04 08 11.0 c A24
2012-03-14 01:10:21 C 12 21 36.81 +04 08 11.2 c A24
2012-03-14 02:07:52 C 12 21 31.82 +04 07 58.9 c A24
2012-03-14 02:08:55 C 12 21 31.72 +04 07 58.6 c A24
2012-03-15 00:35:09 C 12 19 36.98 +04 03 08.8 c A24
2012-03-15 00:36:11 C 12 19 36.91 +04 03 08.9 c A24
2012-03-15 00:38:52 C 12 19 36.67 +04 03 07.8 t 130
2012-03-15 00:41:07 C 12 19 36.43 +04 03 06.7 t 130
2012-03-15 00:43:56 C 12 19 36.21 +04 03 07.1 t 130
2012-03-15 00:46:44 C 12 19 35.97 +04 03 06.2 t 130
2012-03-15 01:33:43 C 12 19 31.91 +04 02 56.4 c A24
2012-03-15 01:34:45 C 12 19 31.82 +04 02 56.2 c A24
2012-03-15 04:46:19 C 12 19 15.93 +04 02 15.9 o 691
2012-03-15 05:11:52 C 12 19 13.84 +04 02 10.3 o 691
2012-03-15 05:37:22 C 12 19 11.53 +04 02 05.0 o 691
2012-03-17 01:55:42 C 12 15 25.66 +03 52 31.1 r 106
2012-03-17 02:12:33 C 12 15 24.23 +03 52 27.2 r 106
2012-03-17 02:29:27 C 12 15 22.75 +03 52 24.0 r 106
2012-03-17 02:46:22 C 12 15 21.36 +03 52 19.3 r 106
2012-03-20 22:46:52 C 12 07 41.58 +03 32 26.1 u C73
2012-03-20 22:48:07 C 12 07 41.46 +03 32 25.9 u C73
2012-03-20 22:49:17 C 12 07 41.36 +03 32 25.7 u C73
2012-03-20 22:50:26 C 12 07 41.27 +03 32 25.5 u C73
2012-03-20 22:51:36 C 12 07 41.19 +03 32 25.4 u C73
2012-03-20 22:52:46 C 12 07 41.09 +03 32 25.0 u C73
2012-03-20 22:53:56 C 12 07 40.98 +03 32 25.1 u C73
2012-03-20 22:55:05 C 12 07 40.86 +03 32 24.5 u C73
2012-03-20 22:56:15 C 12 07 40.80 +03 32 24.4 u C73
2012-03-20 22:57:25 C 12 07 40.67 +03 32 23.9 u C73
2012-03-20 22:58:35 C 12 07 40.61 +03 32 23.8 u C73
2012-03-20 22:59:45 C 12 07 40.49 +03 32 23.5 u C73
2012-03-20 23:00:55 C 12 07 40.42 +03 32 23.2 u C73
2012-03-20 23:02:04 C 12 07 40.31 +03 32 23.0 u C73
2012-03-20 23:03:14 C 12 07 40.22 +03 32 22.9 u C73
2012-03-20 23:04:23 C 12 07 40.09 +03 32 22.7 u C73