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
2016-02-23 05:05:39 C 11 58 57.61 +53 10 30.3 u H21
2016-02-23 05:07:37 C 11 58 57.19 +53 10 28.5 u H21
2016-02-23 05:09:34 C 11 58 56.76 +53 10 26.4 u H21
2016-02-23 05:11:32 C 11 58 56.34 +53 10 24.7 u H21
2016-02-23 05:13:30 C 11 58 55.94 +53 10 22.8 u H21
2016-02-23 05:15:27 C 11 58 55.52 +53 10 21.0 u H21
2016-02-23 05:17:25 C 11 58 55.11 +53 10 19.0 u H21
2016-02-23 05:19:23 C 11 58 54.70 +53 10 17.4 u H21
2016-02-23 05:21:20 C 11 58 54.29 +53 10 15.3 u H21
2016-02-23 05:23:18 C 11 58 53.89 +53 10 13.6 u H21
2016-02-23 05:25:16 C 11 58 53.46 +53 10 11.8 u H21
2016-02-23 05:27:13 C 11 58 53.06 +53 10 09.7 u H21
2016-02-23 05:29:11 C 11 58 52.64 +53 10 07.8 u H21
2016-02-23 05:31:08 C 11 58 52.21 +53 10 06.1 u H21
2016-02-23 05:33:06 C 11 58 51.80 +53 10 04.1 u H21
2016-02-23 05:35:03 C 11 58 51.38 +53 10 02.2 u H21
2016-02-23 05:37:00 C 11 58 50.99 +53 10 00.6 u H21
2016-02-23 05:38:57 C 11 58 50.56 +53 09 58.7 u H21
2016-02-23 05:40:54 C 11 58 50.14 +53 09 56.8 u H21
2016-02-23 05:42:51 C 11 58 49.74 +53 09 55.0 u H21
2016-02-23 05:44:49 C 11 58 49.34 +53 09 53.1 u H21
2016-02-23 05:46:46 C 11 58 48.90 +53 09 51.0 u H21
2016-02-23 05:48:19 C 11 58 48.57 +53 09 49.6 u H21
2016-02-23 05:50:16 C 11 58 48.17 +53 09 47.7 u H21
2016-02-23 10:56:03 C 11 57 44.68 +53 04 52.9 L T05
2016-02-23 11:14:56 C 11 57 40.61 +53 04 34.3 L T05
2016-02-23 11:40:11 C 11 57 35.31 +53 04 09.7 L T05
2016-02-23 12:13:07 C 11 57 28.28 +53 03 37.5 L T05
2016-02-27 07:26:21 C 11 39 19.87 +51 25 22.3 u H21
2016-02-27 07:28:18 C 11 39 19.50 +51 25 20.2 u H21
2016-02-27 07:30:16 C 11 39 19.12 +51 25 17.7 u H21
2016-02-27 07:32:14 C 11 39 18.72 +51 25 15.5 u H21
2016-02-27 07:34:11 C 11 39 18.34 +51 25 13.3 u H21
2016-02-27 07:36:09 C 11 39 17.97 +51 25 11.0 u H21
2016-02-27 07:38:06 C 11 39 17.58 +51 25 08.7 u H21
2016-02-27 07:40:04 C 11 39 17.21 +51 25 06.4 u H21
2016-02-27 07:42:02 C 11 39 16.83 +51 25 04.1 u H21
2016-02-27 07:43:59 C 11 39 16.44 +51 25 01.7 u H21
2016-02-27 07:45:57 C 11 39 16.05 +51 24 59.6 u H21
2016-02-27 07:47:55 C 11 39 15.68 +51 24 57.2 u H21
2016-02-27 07:49:52 C 11 39 15.30 +51 24 54.9 u H21
2016-02-27 07:51:50 C 11 39 14.92 +51 24 52.5 u H21
2016-02-27 07:53:48 C 11 39 14.54 +51 24 50.3 u H21
2016-02-27 07:55:45 C 11 39 14.16 +51 24 48.1 u H21
2016-02-27 07:57:43 C 11 39 13.76 +51 24 45.7 u H21
2016-02-27 09:53:59 C 11 38 51.60 +51 22 31.4 q 703
2016-02-27 10:02:41 C 11 38 49.93 +51 22 21.2 q 703
2016-02-27 10:11:25 C 11 38 48.21 +51 22 11.1 q 703
2016-02-27 10:20:08 C 11 38 46.53 +51 22 00.6 q 703
2016-02-29 04:46:15 C 11 30 56.60 +50 30 57.4 R G45