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
2008-03-15 07:57:16 C 12 59 08.53 -14 30 33.1 18.7 c 704
2008-03-15 08:13:31 C 12 59 07.47 -14 30 34.3 18.9 c 704
2008-03-15 08:29:42 C 12 59 06.38 -14 30 36.6 18.7 c 704
2008-03-15 08:45:51 C 12 59 05.36 -14 30 39.1 18.7 c 704
2008-03-15 09:02:05 C 12 59 04.29 -14 30 39.8 18.8 c 704
2008-03-27 08:50:15 C 12 39 55.21 -14 51 36.3 18.0 c 704
2008-03-27 09:08:01 C 12 39 54.02 -14 51 37.0 18.4 c 704
2008-03-27 09:25:42 C 12 39 52.81 -14 51 37.3 18.8 c 704
2008-03-27 09:43:27 C 12 39 51.55 -14 51 37.3 18.2 c 704
2008-03-27 10:01:12 C 12 39 50.35 -14 51 38.7 18.2 c 704
2008-04-01 07:08:56 C 12 32 05.42 -14 53 03.7 r G96
2008-04-01 07:17:56 C 12 32 04.84 -14 53 03.8 r G96
2008-04-01 07:26:50 C 12 32 04.23 -14 53 03.5 r G96
2008-04-01 07:35:42 C 12 32 03.66 -14 53 03.7 r G96
2008-04-05 06:38:43 C 12 25 58.11 -14 51 43.2 r 703
2008-04-05 06:49:02 C 12 25 57.43 -14 51 42.8 r 703
2008-04-05 06:59:23 C 12 25 56.78 -14 51 42.8 r 703
2008-04-05 07:09:40 C 12 25 56.17 -14 51 42.2 r 703
2008-04-05 08:09:06 C 12 25 52.32 -14 51 40.6 r 703
2008-04-05 08:21:41 C 12 25 51.52 -14 51 40.5 r 703
2008-04-05 08:34:09 C 12 25 50.77 -14 51 39.7 r 703
2008-04-05 08:46:37 C 12 25 49.94 -14 51 39.6 r 703
2008-04-14 05:46:32 C 12 13 16.61 -14 42 45.4 18.4 c 704
2008-04-14 06:02:26 C 12 13 15.67 -14 42 43.3 18.4 c 704
2008-04-14 06:09:27 C 12 13 15.16 -14 42 44.3 r 703
2008-04-14 06:18:04 C 12 13 14.70 -14 42 44.1 r 703
2008-04-14 06:18:20 C 12 13 14.78 -14 42 44.1 18.9 c 704
2008-04-14 06:26:37 C 12 13 14.34 -14 42 41.7 r 703
2008-04-14 06:34:13 C 12 13 13.96 -14 42 42.3 18.7 c 704
2008-04-14 06:35:11 C 12 13 13.83 -14 42 42.2 r 703
2008-04-14 06:50:16 C 12 13 12.98 -14 42 41.9 18.8 c 704
2008-04-27 05:30:59 C 11 58 38.71 -14 23 18.7 r 703
2008-04-27 05:39:12 C 11 58 38.38 -14 23 18.9 r 703
2008-04-27 05:47:40 C 11 58 38.10 -14 23 17.2 r 703
2008-04-27 05:55:39 C 11 58 37.74 -14 23 17.4 r 703
2011-08-13 19:00:19 C 05 16 05.75 +39 13 08.3 o 300
2011-08-13 19:01:29 C 05 16 05.98 +39 13 09.7 o 300
2011-08-13 19:02:40 C 05 16 06.25 +39 13 11.2 o 300
2011-08-13 19:03:50 C 05 16 06.57 +39 13 12.8 o 300
2011-08-13 19:04:58 C 05 16 06.77 +39 13 15.0 o 300
2011-10-23 12:21:47 C 11 35 52.87 +33 47 09.0 u 448
2011-10-23 12:24:51 C 11 35 53.19 +33 47 06.0 u 448
2011-10-23 12:27:55 C 11 35 53.65 +33 47 03.3 u 448
2011-11-28 11:29:46 C 12 53 37.75 +21 07 01.1 r 703
2011-11-28 11:37:54 C 12 53 38.32 +21 06 54.8 r 703
2011-11-28 11:46:14 C 12 53 38.86 +21 06 48.5 r 703
2011-11-28 11:54:34 C 12 53 39.37 +21 06 42.6 r 703
2012-01-04 11:20:31 C 13 30 32.83 +12 15 09.9 r 703
2012-01-04 11:33:39 C 13 30 33.04 +12 15 04.0 r 703
2012-01-04 11:46:47 C 13 30 33.26 +12 14 58.0 r 703