477885 (2011 JT9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5185451094 ± 4.29e-08
Semi-major axis (a)2.6951360659 AU ± 1.24e-08
Inclination (i)19.05131166° ± 4.05e-06
Long. of Asc. Node (Ω)118.94512835° ± 8.01e-06
Arg. of Perihelion (ω)185.31023648° ± 1.22e-05
Mean Anomaly (M)69.13277656° ± 3.51e-06
Mean Motion (n)0.2227620637°/day ± 1.53e-09
Perihelion dist (q)1.29758644 AU ± 1.16e-07
Aphelion dist (Q)4.09268569 AU ± 1.17e-07
Orbital Period4.42456973 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)17.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.281108 AU
Observations Used817
Oppositions14
Arc Total2007-2025
First Observation Used2007-11-11
Last Observation Used2025-12-15
Observations (1102)
Date Type RA Dec Mag Band Observatory
2007-11-11 07:26:53 C 03 48 56.01 -10 55 46.5 r 703
2007-11-11 07:40:22 C 03 48 55.22 -10 55 46.5 r 703
2007-11-11 07:52:14 C 03 48 54.64 -10 55 45.9 r 703
2007-11-11 08:04:03 C 03 48 53.96 -10 55 45.0 r 703
2011-04-06 09:07:31 C 14 51 06.33 +18 30 18.1 r 703
2011-04-06 09:16:35 C 14 51 06.08 +18 30 23.9 r 703
2011-04-06 09:25:37 C 14 51 05.76 +18 30 28.7 r 703
2011-04-06 09:34:44 C 14 51 05.65 +18 30 33.4 r 703
2011-05-07 06:08:46 C 14 23 14.44 +23 33 59.2 19.7 c 704
2011-05-07 06:22:57 C 14 23 13.79 +23 34 02.6 19.9 c 704
2011-05-07 06:37:12 C 14 23 13.13 +23 34 05.8 19.7 c 704
2011-05-07 06:51:21 C 14 23 12.40 +23 34 06.9 19.8 c 704
2011-05-08 00:34:54 C 14 22 22.37 +23 36 39.3 v 204
2011-05-08 00:45:55 C 14 22 21.85 +23 36 40.7 v 204
2011-05-08 00:57:31 C 14 22 21.28 +23 36 42.3 v 204
2011-05-08 04:25:52 C 14 22 11.92 +23 37 12.2 u H36
2011-05-08 04:48:58 C 14 22 10.78 +23 37 15.1 u H36
2011-05-08 05:02:55 C 14 22 10.11 +23 37 16.8 u H36
2011-05-08 05:30:46 C 14 22 08.81 +23 37 21.2 o H01
2011-05-08 05:43:34 C 14 22 08.18 +23 37 22.8 o H01
2011-05-08 05:57:33 C 14 22 07.50 +23 37 24.8 o H01
2011-05-08 06:06:05 C 14 22 07.08 +23 37 25.9 o H01
2011-05-08 07:59:58 C 14 22 01.63 +23 37 40.8 c 854
2011-05-08 08:13:46 C 14 22 00.88 +23 37 43.8 c 854
2011-05-08 08:22:05 C 14 22 00.42 +23 37 43.9 o H06
2011-05-08 08:27:16 C 14 22 00.17 +23 37 44.2 o H06
2011-05-08 08:27:36 C 14 22 00.19 +23 37 43.1 c 854
2011-05-08 08:32:30 C 14 21 59.93 +23 37 45.0 o H06
2011-05-08 08:37:45 C 14 21 59.67 +23 37 46.2 o H06
2011-05-08 18:01:24 C 14 21 33.21 +23 38 54.9 o 300
2011-05-08 18:04:16 C 14 21 33.04 +23 38 55.7 o 300
2011-05-08 18:10:03 C 14 21 32.83 +23 38 55.8 o 300
2011-05-08 18:12:55 C 14 21 32.68 +23 38 56.3 o 300
2011-05-08 18:18:43 C 14 21 32.35 +23 38 56.7 o 300
2011-05-08 18:21:36 C 14 21 32.30 +23 38 57.4 o 300
2011-05-08 21:37:30 C 14 21 23.61 +23 39 19.5 r A17
2011-05-08 21:54:25 C 14 21 22.77 +23 39 22.2 r A17
2011-05-08 22:11:20 C 14 21 21.93 +23 39 23.9 r A17
2011-05-09 03:33:29 C 14 21 07.22 +23 40 02.5 c H06
2011-05-09 03:38:40 C 14 21 06.95 +23 40 03.4 c H06
2011-05-09 03:43:54 C 14 21 06.67 +23 40 03.7 c H06
2011-05-09 03:49:06 C 14 21 06.47 +23 40 04.7 c H06
2011-05-09 04:45:19 C 14 21 03.73 +23 40 11.3 c H06
2011-05-09 04:49:39 C 14 21 03.51 +23 40 11.8 c H06
2011-05-09 04:53:59 C 14 21 03.30 +23 40 12.1 c H06
2011-05-10 21:31:06 C 14 19 10.03 +23 43 57.3 c I89
2011-05-10 21:36:07 C 14 19 09.77 +23 43 57.7 c I89
2011-05-10 21:41:08 C 14 19 09.54 +23 43 57.5 c I89
2011-05-13 07:50:36 C 14 16 28.92 +23 46 37.5 c H06
2011-05-13 07:54:57 C 14 16 28.74 +23 46 38.1 c H06