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
2016-01-23 10:22:24 C 14 24 38.75 +56 11 53.4 u H21
2016-01-23 10:24:22 C 14 24 38.44 +56 11 53.7 u H21
2016-01-23 10:26:19 C 14 24 38.19 +56 11 54.1 u H21
2016-01-23 10:28:17 C 14 24 37.92 +56 11 54.4 u H21
2016-01-23 10:30:15 C 14 24 37.62 +56 11 55.0 u H21
2016-01-23 10:32:12 C 14 24 37.35 +56 11 55.2 u H21
2016-01-23 10:34:10 C 14 24 37.08 +56 11 55.7 u H21
2016-01-23 10:36:07 C 14 24 36.79 +56 11 56.3 u H21
2016-01-23 10:38:05 C 14 24 36.53 +56 11 56.8 u H21
2016-01-23 10:39:51 C 14 24 36.27 +56 11 57.1 u H21
2016-01-24 12:05:30 C 14 21 05.10 +56 16 55.0 u 926
2016-01-24 12:24:14 C 14 21 02.38 +56 16 58.4 u 926
2016-01-24 12:42:44 C 14 20 59.69 +56 17 02.6 u 926
2016-01-27 15:02:07 C 14 09 53.18 +56 30 07.6 L T05
2016-01-27 15:21:48 C 14 09 49.97 +56 30 11.0 L T05
2016-01-27 15:26:11 C 14 09 49.24 +56 30 11.8 L T05
2016-01-27 15:45:31 C 14 09 46.08 +56 30 15.1 L T05
2016-01-28 01:35:59 C 14 08 12.96 +56 31 35.4 o Z80
2016-01-28 01:47:22 C 14 08 10.99 +56 31 37.5 o Z80
2016-01-30 08:31:24 C 13 59 05.43 +56 38 52.0 R G45
2016-01-30 08:32:43 C 13 59 05.23 +56 38 51.9 R G45
2016-01-30 08:39:52 C 13 59 03.99 +56 38 53.1 R G45
2016-01-30 08:45:14 C 13 59 03.03 +56 38 53.9 R G45
2016-01-30 08:46:41 C 13 59 02.76 +56 38 53.9 R G45
2016-01-30 08:53:41 C 13 59 01.54 +56 38 55.0 R G45
2016-01-31 07:55:09 C 13 55 00.19 +56 41 09.5 R G45
2016-01-31 07:55:35 C 13 55 00.09 +56 41 09.5 R G45
2016-01-31 08:01:59 C 13 54 58.94 +56 41 10.2 R G45
2016-01-31 08:02:28 C 13 54 58.90 +56 41 10.5 R G45
2016-01-31 08:09:04 C 13 54 57.66 +56 41 10.9 R G45
2016-01-31 08:09:33 C 13 54 57.58 +56 41 11.0 R G45
2016-01-31 08:19:26 C 13 54 55.81 +56 41 12.2 R G45
2016-01-31 08:19:50 C 13 54 55.76 +56 41 12.6 R G45
2016-01-31 08:26:38 C 13 54 54.49 +56 41 13.1 R G45
2016-01-31 08:26:55 C 13 54 54.47 +56 41 13.3 R G45
2016-01-31 08:34:21 C 13 54 53.16 +56 41 14.3 R G45
2016-01-31 08:41:10 C 13 54 51.88 +56 41 14.8 R G45
2016-01-31 08:46:42 C 13 54 50.88 +56 41 15.6 R G45
2016-01-31 08:53:47 C 13 54 49.63 +56 41 16.5 R G45
2016-01-31 08:55:18 C 13 54 49.35 +56 41 16.4 R G45
2016-01-31 09:00:46 C 13 54 48.35 +56 41 17.1 R G45
2016-02-04 17:10:22 C 13 35 10.96 +56 44 05.1 o D54
2016-02-04 17:20:59 C 13 35 08.71 +56 44 02.8 o D54
2016-02-04 17:31:32 C 13 35 06.62 +56 44 03.1 o D54
2016-02-06 13:40:43 C 13 26 09.71 +56 40 48.9 L T05
2016-02-06 13:50:50 C 13 26 07.56 +56 40 47.8 L T05
2016-02-06 14:26:15 C 13 26 00.06 +56 40 44.1 L T05
2016-02-06 14:47:19 C 13 25 55.57 +56 40 42.0 L T05
2016-02-08 17:24:07 C 13 15 17.24 +56 32 36.9 o D54
2016-02-08 17:39:03 C 13 15 14.08 +56 32 34.3 o D54