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
2020-07-11 01:54:13 C 16 39 34.31 +01 07 46.4 q W38
2020-07-11 02:56:36 C 16 39 34.31 +01 05 45.4 V V93
2020-07-11 04:16:50 C 16 39 34.11 +01 03 10.8 V V93
2020-07-11 04:47:59 C 16 39 33.79 +01 02 12.4 q W38
2020-07-11 05:02:06 C 16 39 34.46 +01 01 45.3 U I41
2020-07-11 05:25:51 C 16 39 33.96 +01 00 57.7 V V93
2020-07-11 06:06:14 C 16 39 34.28 +00 59 41.8 U I41
2020-07-11 13:51:08 C 16 39 35.04 +00 45 07.1 17.3 q Q68
2020-07-11 13:53:17 C 16 39 35.06 +00 45 01.3 17.6 q Q68
2020-07-11 13:55:24 C 16 39 35.06 +00 44 58.8 18.6 q Q68
2020-07-11 13:57:34 C 16 39 35.04 +00 44 54.1 17.3 q Q68
2020-07-11 14:18:30 C 16 39 34.98 +00 44 13.5 17.8 q Q68
2020-07-11 14:22:43 C 16 39 34.99 +00 44 06.8 17.3 q Q68
2020-07-11 21:01:41 C 16 39 37.09 +00 30 43.3 V 160
2020-07-11 21:04:34 C 16 39 37.06 +00 30 37.7 V 160
2020-07-11 21:07:20 C 16 39 37.06 +00 30 32.6 V 160
2020-07-12 06:04:43 C 16 39 38.87 +00 13 05.1 q H06
2020-07-12 06:35:02 C 16 39 38.87 +00 12 05.2 q H06
2020-07-12 09:08:53 C 16 39 39.74 +00 07 06.5 V T05
2020-07-12 09:13:31 C 16 39 39.73 +00 06 57.4 V T05
2020-07-12 09:18:08 C 16 39 39.74 +00 06 48.0 V T05
2020-07-12 09:48:05 C 16 39 39.74 +00 05 47.9 V T05
2020-07-13 07:20:34 C 16 39 48.081 -00 36 54.65 U F51
2020-07-13 07:40:33 C 16 39 48.105 -00 37 34.53 U F51
2020-07-13 08:00:30 C 16 39 48.127 -00 38 14.49 U F51
2020-07-13 08:20:25 C 16 39 48.155 -00 38 54.34 U F51
2020-07-13 13:59:44 C 16 39 50.06 -00 49 55.6 q Q68
2020-07-13 14:01:55 C 16 39 50.08 -00 50 00.0 q Q68
2020-07-13 14:04:03 C 16 39 50.12 -00 50 03.7 q Q68
2020-07-14 05:12:45 C 16 39 58.49 -01 21 04.6 U65
2020-07-14 05:30:33 C 16 39 58.57 -01 21 41.2 U65
2020-07-14 05:50:39 C 16 39 58.67 -01 22 22.0 U65
2020-07-14 08:52:33 C 16 40 00.01 -01 28 22.9 V T08
2020-07-14 08:59:54 C 16 40 00.05 -01 28 38.1 V T08
2020-07-14 09:05:53 C 16 40 00.06 -01 28 50.3 V T08
2020-07-14 09:20:36 C 16 40 00.13 -01 29 20.2 V T08
2020-07-15 05:49:36 C 16 40 13.18 -02 11 20.4 V 703
2020-07-15 05:57:11 C 16 40 13.29 -02 11 35.4 V 703
2020-07-15 06:04:46 C 16 40 13.34 -02 11 51.2 V 703
2020-07-15 06:12:22 C 16 40 13.39 -02 12 06.5 V 703
2020-07-15 13:36:49 C 16 40 18.51 -02 27 01.4 q Q68
2020-07-15 13:38:56 C 16 40 18.54 -02 27 05.7 q Q68
2020-07-15 13:41:04 C 16 40 18.54 -02 27 09.7 q Q68
2020-07-15 13:43:12 C 16 40 18.57 -02 27 14.3 q Q68
2020-07-15 14:03:45 C 16 40 18.72 -02 27 57.2 q Q68
2020-07-15 14:05:53 C 16 40 18.76 -02 28 01.1 q Q68
2020-07-15 14:08:05 C 16 40 18.77 -02 28 05.5 q Q68
2020-07-15 14:10:13 C 16 40 18.80 -02 28 10.3 q Q68
2020-07-15 21:12:01 C 16 40 24.82 -02 43 11.0 q L63
2020-07-15 21:19:00 C 16 40 24.85 -02 43 26.2 q L63