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
2020-05-16 04:14:12 C 08 58 34.03 +32 19 06.9 V 703
2020-05-16 04:22:19 C 08 58 34.77 +32 18 56.7 V 703
2020-05-16 06:39:49 C 08 58 48.38 +32 16 19.1 V T08
2020-05-16 06:44:30 C 08 58 48.85 +32 16 13.8 V T08
2020-05-16 06:53:07 C 08 58 49.72 +32 16 03.9 V T08
2020-05-16 07:09:42 C 08 58 51.33 +32 15 44.2 V T08
2020-05-20 04:02:51 C 09 07 47.97 +30 30 17.9 V 703
2020-05-20 04:11:07 C 09 07 48.72 +30 30 08.6 V 703
2020-05-20 04:19:22 C 09 07 49.46 +30 29 58.8 V 703
2020-05-20 04:27:38 C 09 07 50.24 +30 29 49.8 V 703
2020-05-20 05:46:06 C 09 07 57.67 +30 28 23.5 V T08
2020-05-20 05:50:06 C 09 07 58.08 +30 28 18.8 V T08
2020-05-20 06:05:29 C 09 07 59.51 +30 28 02.3 V T08
2020-05-20 06:17:27 C 09 08 00.59 +30 27 48.3 V T08
2020-05-24 04:01:13 C 09 16 35.23 +28 45 03.9 V 703
2020-05-24 04:09:25 C 09 16 36.01 +28 44 55.1 V 703
2020-05-24 04:17:36 C 09 16 36.73 +28 44 46.0 V 703
2020-05-24 04:25:48 C 09 16 37.48 +28 44 37.6 V 703
2020-05-24 06:41:11 C 09 16 49.52 +28 42 12.8 V T08
2020-05-24 06:46:30 C 09 16 49.81 +28 42 09.1 V T08
2020-05-24 06:58:29 C 09 16 51.04 +28 41 53.7 V T08
2020-05-24 07:40:26 C 09 16 54.82 +28 41 08.7 V T08
2020-06-11 03:42:53 C 09 51 51.20 +21 34 43.1 V 703
2020-06-11 03:59:24 C 09 51 52.38 +21 34 27.4 V 703
2020-06-11 04:07:40 C 09 51 53.10 +21 34 20.3 V 703
2020-06-12 03:41:36 C 09 53 39.20 +21 12 40.4 V G96
2020-06-12 03:48:18 C 09 53 39.69 +21 12 34.2 V G96
2020-06-12 03:55:00 C 09 53 40.18 +21 12 28.1 V G96
2020-06-12 04:01:43 C 09 53 40.69 +21 12 21.8 V G96
2023-08-05 06:21:47 C 22 12 37.423 -64 05 43.73 V W68
2023-08-05 07:00:58 C 22 12 33.103 -64 05 52.51 V W68
2023-08-05 07:40:04 C 22 12 28.634 -64 06 01.84 V W68
2023-08-05 08:15:59 C 22 12 24.756 -64 06 09.18 V W68
2023-08-07 02:42:31 C 22 07 43.303 -64 15 01.08 V M22
2023-08-07 02:47:18 C 22 07 42.686 -64 15 02.23 V M22
2023-08-07 03:02:51 C 22 07 40.946 -64 15 04.97 V M22
2023-08-07 03:11:37 C 22 07 39.886 -64 15 06.23 V M22
2023-08-11 04:57:40 C 21 56 15.178 -64 28 54.26 V W68
2023-08-11 05:00:17 C 21 56 14.758 -64 28 54.73 V W68
2023-08-11 05:18:30 C 21 56 12.379 -64 28 57.00 V W68
2023-08-11 05:23:50 C 21 56 11.830 -64 28 57.36 V W68
2023-08-11 05:38:35 C 21 56 09.934 -64 28 58.73 V W68
2023-08-11 05:41:51 C 21 56 09.562 -64 28 59.77 V W68
2023-08-11 06:17:28 C 21 56 05.078 -64 29 02.47 V W68
2023-08-11 06:21:24 C 21 56 04.738 -64 29 02.69 V W68
2023-08-23 03:52:34 C 21 20 28.488 -64 07 58.51 V W68
2023-08-23 03:58:27 C 21 20 27.770 -64 07 56.50 V W68
2023-08-23 04:03:05 C 21 20 27.206 -64 07 55.78 V W68
2023-08-23 04:07:45 C 21 20 26.662 -64 07 54.41 V W68
2023-08-24 22:50:55 C 21 15 13.625 -63 56 26.48 V M22