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
2012-03-20 23:05:33 C 12 07 40.01 +03 32 22.1 u C73
2012-03-20 23:06:42 C 12 07 39.92 +03 32 22.1 u C73
2012-03-21 06:28:18 C 12 07 03.95 +03 30 47.3 18.0 c 704
2012-03-21 06:43:53 C 12 07 02.64 +03 30 43.9 18.2 c 704
2012-03-21 06:49:01 C 12 07 02.20 +03 30 43.0 r 703
2012-03-21 06:59:38 C 12 07 01.33 +03 30 40.4 18.2 c 704
2012-03-21 07:03:49 C 12 07 00.98 +03 30 39.4 r 703
2012-03-21 07:15:05 C 12 07 00.04 +03 30 37.1 18.2 c 704
2012-03-21 07:18:45 C 12 06 59.76 +03 30 36.3 r 703
2012-03-21 07:30:37 C 12 06 58.77 +03 30 33.7 18.1 c 704
2012-03-21 07:33:32 C 12 06 58.50 +03 30 33.2 r 703
2012-03-22 06:23:21 C 12 05 07.27 +03 25 35.4 u 448
2012-03-22 06:29:28 C 12 05 06.77 +03 25 33.9 u 448
2012-03-22 06:34:34 C 12 05 06.35 +03 25 33.0 u 448
2012-03-22 06:40:07 C 12 05 05.86 +03 25 31.6 u 448
2012-03-25 07:45:57 C 11 59 17.89 +03 09 34.2 18.0 c 704
2012-03-25 08:01:15 C 11 59 16.59 +03 09 30.9 18.1 c 704
2012-03-25 08:16:45 C 11 59 15.42 +03 09 27.6 18.1 c 704
2012-03-25 08:32:03 C 11 59 14.18 +03 09 24.1 18.1 c 704
2012-03-25 08:47:17 C 11 59 12.98 +03 09 20.6 18.0 c 704
2012-03-26 22:56:13 C 11 56 17.43 +03 00 56.4 c A24
2012-03-26 22:57:16 C 11 56 17.39 +03 00 55.9 c A24
2012-03-26 23:34:35 C 11 56 14.48 +03 00 47.6 c A24
2012-03-26 23:35:38 C 11 56 14.42 +03 00 47.5 c A24
2012-03-27 00:42:47 C 11 56 09.23 +03 00 32.5 c A24
2012-03-27 00:43:50 C 11 56 09.16 +03 00 32.4 c A24
2012-03-27 05:17:47 C 11 55 48.75 +02 59 33.2 r 703
2012-03-27 05:26:18 C 11 55 48.10 +02 59 31.0 r 703
2012-03-27 05:34:47 C 11 55 47.42 +02 59 29.3 r 703
2012-03-27 05:43:22 C 11 55 46.77 +02 59 27.5 r 703
2012-03-27 07:58:02 C 11 55 36.715 +02 58 58.94 L F51
2012-03-27 08:18:49 C 11 55 35.118 +02 58 54.35 L F51
2012-03-27 08:39:36 C 11 55 33.518 +02 58 49.75 L F51
2012-03-27 09:00:27 C 11 55 31.867 +02 58 44.99 L F51
2012-03-27 20:51:21 C 11 54 38.68 +02 56 06.2 c A24
2012-03-27 20:52:23 C 11 54 38.67 +02 56 05.6 c A24
2012-03-28 23:12:14 C 11 52 41.71 +02 50 16.9 c A24
2012-03-28 23:13:16 C 11 52 41.64 +02 50 16.7 c A24
2012-03-29 00:20:22 C 11 52 36.64 +02 50 01.6 c A24
2012-03-29 00:21:24 C 11 52 36.55 +02 50 01.8 c A24
2012-03-30 05:15:52 C 11 50 31.48 +02 43 38.6 17.4 c 704
2012-03-30 05:30:47 C 11 50 30.41 +02 43 35.5 17.9 c 704
2012-03-30 05:45:41 C 11 50 29.31 +02 43 32.0 17.8 c 704
2012-03-30 06:00:31 C 11 50 28.19 +02 43 28.7 17.9 c 704
2012-03-30 06:15:27 C 11 50 27.14 +02 43 25.5 17.5 c 704
2012-04-13 06:51:12 C 11 30 08.38 +01 27 14.9 18.0 c 704
2012-04-13 07:07:30 C 11 30 07.53 +01 27 11.3 18.7 c 704
2012-04-13 07:56:38 C 11 30 05.16 +01 26 59.9 18.5 c 704
2012-04-15 04:19:12 C 11 28 00.19 +01 16 44.9 r 703
2012-04-15 04:26:29 C 11 27 59.79 +01 16 42.5 r 703