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
2016-03-17 08:07:01 C 10 36 00.77 +40 43 41.7 q H45
2016-03-17 08:08:13 C 10 36 00.63 +40 43 39.9 q H45
2016-03-17 08:09:13 C 10 36 00.56 +40 43 38.5 q H45
2016-03-17 08:11:46 C 10 36 00.32 +40 43 34.7 q H45
2016-03-18 03:10:06 C 10 34 22.51 +40 15 12.3 R G45
2016-03-18 03:17:37 C 10 34 21.85 +40 15 00.9 R G45
2016-03-18 03:25:25 C 10 34 21.16 +40 14 49.6 R G45
2016-03-18 03:32:56 C 10 34 20.52 +40 14 38.6 R G45
2016-03-18 23:03:08 C 10 32 42.61 +39 45 31.4 q 160
2016-03-18 23:05:24 C 10 32 42.58 +39 45 28.5 q 160
2016-03-18 23:07:40 C 10 32 42.39 +39 45 25.1 q 160
2016-03-19 21:49:18 C 10 30 54.90 +39 11 42.2 q 160
2016-03-19 21:50:28 C 10 30 54.70 +39 11 40.0 q 160
2016-03-19 21:51:27 C 10 30 54.67 +39 11 39.1 q 160
2016-03-20 03:00:14 C 10 30 31.40 +39 04 01.9 R G45
2016-03-20 03:07:55 C 10 30 30.78 +39 03 50.6 R G45
2016-03-20 03:15:55 C 10 30 30.15 +39 03 38.9 R G45
2016-03-20 03:22:36 C 10 30 29.64 +39 03 29.1 R G45
2016-03-20 03:23:49 C 10 30 29.54 +39 03 27.4 R G45
2016-03-20 03:31:35 C 10 30 28.94 +39 03 16.0 R G45
2016-03-20 09:19:04 C 10 30 02.16 +38 54 43.7 L T05
2016-03-20 09:47:29 C 10 30 00.06 +38 54 02.3 L T05
2016-03-20 09:56:15 C 10 29 59.37 +38 53 49.4 L T05
2016-03-20 10:28:45 C 10 29 56.82 +38 53 01.1 L T05
2016-03-21 06:13:57 C 10 28 30.10 +38 23 49.8 u H21
2016-03-21 06:15:55 C 10 28 29.95 +38 23 47.1 u H21
2016-03-21 06:17:52 C 10 28 29.83 +38 23 44.0 u H21
2016-03-21 06:19:50 C 10 28 29.69 +38 23 41.1 u H21
2016-03-21 06:21:48 C 10 28 29.54 +38 23 38.5 u H21
2016-03-21 06:23:45 C 10 28 29.41 +38 23 35.5 u H21
2016-03-21 06:25:42 C 10 28 29.27 +38 23 32.8 u H21
2016-03-21 06:27:39 C 10 28 29.12 +38 23 29.8 u H21
2016-03-21 06:29:36 C 10 28 28.98 +38 23 27.0 u H21
2016-03-21 06:31:33 C 10 28 28.83 +38 23 23.9 u H21
2016-03-21 06:33:30 C 10 28 28.68 +38 23 21.2 u H21
2016-03-21 06:35:27 C 10 28 28.55 +38 23 18.3 u H21
2016-03-21 06:37:30 C 10 28 28.40 +38 23 15.3 u H21
2016-03-22 02:02:27 C 10 27 07.88 +37 54 46.5 u H21
2016-03-22 02:05:22 C 10 27 07.69 +37 54 42.1 u H21
2016-03-22 02:08:18 C 10 27 07.48 +37 54 38.1 u H21
2016-03-22 02:11:13 C 10 27 07.29 +37 54 34.0 u H21
2016-03-22 02:14:09 C 10 27 07.09 +37 54 29.4 u H21
2016-03-22 02:17:04 C 10 27 06.87 +37 54 25.2 u H21
2016-03-22 02:20:53 C 10 27 06.60 +37 54 19.7 u H21
2016-03-22 07:32:01 C 10 26 44.85 +37 46 45.1 q H45
2016-03-22 07:33:25 C 10 26 44.76 +37 46 43.2 q H45
2016-03-22 07:35:00 C 10 26 44.66 +37 46 40.5 q H45
2016-03-22 07:36:42 C 10 26 44.52 +37 46 37.9 q H45
2016-03-22 07:38:07 C 10 26 44.44 +37 46 36.2 q H45
2016-03-22 07:39:29 C 10 26 44.35 +37 46 34.5 q H45