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
2020-04-23 07:23:41 C 07 52 03.82 +43 52 25.5 V T08
2020-04-23 07:41:33 C 07 52 06.40 +43 52 00.8 V T08
2020-04-24 03:45:42 C 07 55 07.08 +43 24 56.9 U I41
2020-04-24 03:46:22 C 07 55 07.19 +43 24 56.0 U I41
2020-04-24 03:47:43 C 07 55 07.38 +43 24 54.2 U I41
2020-04-24 03:48:23 C 07 55 07.48 +43 24 53.2 U I41
2020-04-24 04:19:44 C 07 55 12.09 +43 24 10.8 U I41
2020-04-24 04:20:24 C 07 55 12.18 +43 24 09.9 U I41
2020-04-24 04:21:05 C 07 55 12.28 +43 24 08.9 U I41
2020-04-24 04:21:45 C 07 55 12.38 +43 24 08.0 U I41
2020-04-25 04:09:33 C 07 58 41.68 +42 52 10.1 V 703
2020-04-25 04:17:10 C 07 58 42.78 +42 51 59.4 V 703
2020-04-25 04:24:47 C 07 58 43.92 +42 51 49.2 V 703
2020-04-25 04:32:26 C 07 58 44.96 +42 51 38.9 V 703
2020-04-27 05:43:11 C 08 05 43.22 +41 46 01.7 V T08
2020-04-27 05:47:49 C 08 05 43.84 +41 45 55.9 V T08
2020-04-27 05:55:47 C 08 05 44.97 +41 45 44.9 V T08
2020-04-27 06:10:29 C 08 05 47.04 +41 45 25.0 V T08
2020-04-28 04:10:12 C 08 08 47.94 +41 16 13.8 V 703
2020-04-28 04:17:52 C 08 08 49.01 +41 16 04.5 V 703
2020-04-28 04:25:32 C 08 08 49.96 +41 15 53.7 V 703
2020-04-28 04:33:10 C 08 08 51.02 +41 15 43.3 V 703
2020-05-03 04:17:55 C 08 24 18.12 +38 39 42.4 V 703
2020-05-03 04:34:26 C 08 24 20.20 +38 39 20.0 V 703
2020-05-03 04:42:42 C 08 24 21.25 +38 39 10.2 V 703
2020-05-03 06:52:57 C 08 24 37.12 +38 36 24.3 V T05
2020-05-03 06:57:37 C 08 24 37.71 +38 36 18.5 V T05
2020-05-03 07:08:51 C 08 24 39.10 +38 36 04.3 V T05
2020-05-03 07:27:24 C 08 24 41.33 +38 35 40.2 V T05
2020-05-04 03:35:53 C 08 27 08.30 +38 09 55.6 U I41
2020-05-04 03:37:14 C 08 27 08.46 +38 09 53.9 U I41
2020-05-04 04:42:44 C 08 27 16.26 +38 08 29.9 U I41
2020-05-04 04:45:27 C 08 27 16.59 +38 08 26.4 U I41
2020-05-08 04:54:32 C 08 38 26.53 +36 07 50.2 U I41
2020-05-08 04:56:34 C 08 38 26.75 +36 07 47.7 U I41
2020-05-09 04:25:47 C 08 41 03.40 +35 38 54.1 U I41
2020-05-09 05:37:59 C 08 41 11.29 +35 37 24.9 U I41
2020-05-13 03:58:01 C 08 51 15.21 +33 43 42.7 V 703
2020-05-13 04:06:23 C 08 51 16.10 +33 43 32.4 V 703
2020-05-13 04:14:45 C 08 51 16.94 +33 43 22.8 V 703
2020-05-13 04:23:07 C 08 51 17.89 +33 43 12.6 V 703
2020-05-14 01:00:18 C 08 53 25.01 +33 18 51.2 q I15
2020-05-14 01:06:30 C 08 53 25.65 +33 18 43.7 q I15
2020-05-14 01:12:42 C 08 53 26.28 +33 18 35.8 q I15
2020-05-14 06:04:51 C 08 53 56.05 +33 12 54.8 V T05
2020-05-14 06:16:48 C 08 53 57.29 +33 12 40.8 V T05
2020-05-14 06:31:24 C 08 53 58.77 +33 12 23.4 V T05
2020-05-14 06:35:24 C 08 53 59.18 +33 12 18.6 V T05
2020-05-16 03:57:55 C 08 58 32.40 +32 19 25.3 V 703
2020-05-16 04:06:04 C 08 58 33.22 +32 19 15.9 V 703