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
2023-11-11 02:14:27 C 20 40 05.671 -37 16 58.48 V W68
2023-11-12 19:10:55 C 20 42 16.334 -36 34 16.18 V M22
2023-11-12 19:15:37 C 20 42 16.622 -36 34 10.38 V M22
2023-11-12 19:27:54 C 20 42 17.220 -36 33 58.10 V M22
2023-11-12 19:42:08 C 20 42 17.966 -36 33 44.46 V M22
2023-11-17 00:45:37 C 20 47 54.948 -34 47 43.87 V W68
2023-11-17 00:50:12 C 20 47 55.270 -34 47 39.37 V W68
2023-11-17 01:00:52 C 20 47 55.766 -34 47 27.96 V W68
2023-11-17 01:15:52 C 20 47 56.705 -34 47 11.58 V W68
2023-11-23 01:11:20 C 20 56 28.332 -32 14 35.30 V W68
2023-11-23 01:15:56 C 20 56 28.654 -32 14 31.02 V W68
2023-11-23 01:25:16 C 20 56 29.232 -32 14 20.76 V W68
2023-11-23 01:40:33 C 20 56 30.101 -32 14 04.45 V W68
2023-11-29 01:09:51 C 21 05 32.381 -29 39 41.76 V W68
2023-11-29 01:14:31 C 21 05 32.705 -29 39 37.37 V W68
2023-11-29 01:29:47 C 21 05 33.715 -29 39 20.63 V W68
2023-11-29 01:38:27 C 21 05 34.186 -29 39 10.98 V W68
2023-12-06 18:59:10 C 21 17 55.728 -26 15 48.06 V M22
2023-12-06 19:03:46 C 21 17 56.038 -26 15 43.13 V M22
2023-12-06 19:14:22 C 21 17 56.762 -26 15 30.82 V M22
2023-12-06 19:28:26 C 21 17 57.742 -26 15 14.83 V M22
2023-12-20 19:06:48 C 21 42 01.464 -19 52 33.74 V M22
2023-12-20 19:11:24 C 21 42 01.786 -19 52 28.60 V M22
2023-12-20 19:19:17 C 21 42 02.441 -19 52 18.91 V M22
2023-12-20 19:33:57 C 21 42 03.509 -19 52 01.38 V M22
2023-12-31 01:33:30 C 22 00 52.909 -14 57 26.86 V 703
2023-12-31 01:40:09 C 22 00 53.413 -14 57 17.21 V 703
2023-12-31 01:43:29 C 22 00 53.708 -14 57 13.57 V 703
2024-01-01 05:34:58 C 22 03 05.107 -14 22 59.09 V T08
2024-01-01 05:39:12 C 22 03 05.448 -14 22 53.65 V T08
2024-01-01 05:48:56 C 22 03 06.192 -14 22 41.63 V T08
2024-01-01 06:05:01 C 22 03 07.481 -14 22 21.94 V T08
2024-04-21 20:48:45 C 04 08 28.140 +45 01 40.08 V Z80
2024-04-21 20:56:50 C 04 08 30.228 +45 01 44.00 V Z80
2024-04-21 21:04:55 C 04 08 32.100 +45 01 47.75 V Z80
2025-01-06 15:12:15 C 14 02 45.137 -22 42 19.11 X F51
2025-01-06 15:19:49 C 14 02 45.324 -22 42 22.71 X F51
2025-01-06 15:27:28 C 14 02 45.510 -22 42 26.29 X F51
2025-01-06 15:35:03 C 14 02 45.690 -22 42 29.79 X F51
2025-02-07 14:59:40 C 14 12 16.804 -28 22 03.97 X F51
2025-02-07 15:13:18 C 14 12 16.751 -28 22 09.44 X F51
2025-02-07 15:26:23 C 14 12 16.705 -28 22 14.80 X F51
2025-02-07 15:39:26 C 14 12 16.660 -28 22 20.34 X F51
2025-02-27 13:00:11 C 14 05 37.377 -31 22 01.66 X F51
2025-02-27 13:41:29 C 14 05 36.278 -31 22 15.48 X F51
2025-02-27 13:57:25 C 14 05 35.845 -31 22 20.76 X F51
2025-03-03 13:51:40 C 14 02 53.631 -31 53 05.03 X F51
2025-03-03 14:05:23 C 14 02 53.201 -31 53 09.29 X F51
2025-03-03 14:19:04 C 14 02 52.767 -31 53 13.40 X F51
2025-03-03 14:32:45 C 14 02 52.336 -31 53 17.66 X F51