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
2020-06-28 08:43:35 C 16 42 44.69 +09 32 30.2 V T08
2020-06-28 21:55:02 C 16 42 28.43 +09 14 14.8 V 160
2020-06-28 21:57:57 C 16 42 28.36 +09 14 10.6 V 160
2020-06-28 22:00:48 C 16 42 28.29 +09 14 06.6 V 160
2020-06-29 09:13:53 C 16 42 14.91 +08 58 32.3 V T08
2020-06-29 09:47:22 C 16 42 14.07 +08 57 44.9 V T08
2020-06-29 09:55:43 C 16 42 13.86 +08 57 33.1 V T08
2020-06-29 21:18:50 C 16 42 01.26 +08 41 11.5 557
2020-06-29 22:02:08 C 16 42 00.29 +08 40 09.4 557
2020-06-29 22:45:25 C 16 41 59.33 +08 39 07.0 557
2020-06-29 22:48:30 C 16 41 59.27 +08 39 04.4 q 160
2020-06-29 22:51:32 C 16 41 59.21 +08 39 00.0 q 160
2020-06-29 22:54:35 C 16 41 59.13 +08 38 55.7 q 160
2020-06-29 23:28:41 C 16 41 58.38 +08 38 04.6 557
2020-06-30 05:15:50 C 16 41 52.69 +08 29 43.1 U65
2020-06-30 05:29:26 C 16 41 52.42 +08 29 23.9 U65
2020-06-30 05:46:14 C 16 41 52.05 +08 28 58.9 U65
2020-06-30 07:07:17 C 16 41 50.90 +08 27 10.0 V T05
2020-06-30 07:32:19 C 16 41 50.33 +08 26 33.6 V T05
2020-06-30 07:37:43 C 16 41 50.21 +08 26 25.7 V T05
2020-06-30 07:51:16 C 16 41 49.88 +08 26 06.0 V T05
2020-06-30 20:02:41 C 16 41 36.84 +08 08 30.9 q L68
2020-06-30 20:03:09 C 16 41 36.82 +08 08 29.8 q L68
2020-06-30 20:29:49 C 16 41 36.22 +08 07 50.7 q L68
2020-06-30 21:22:37 C 16 41 35.28 +08 06 04.8 557
2020-06-30 21:53:33 C 16 41 34.63 +08 05 19.1 557
2020-06-30 22:24:28 C 16 41 33.99 +08 04 32.9 557
2020-06-30 22:55:44 C 16 41 33.35 +08 03 46.5 557
2020-06-30 23:35:32 C 16 41 32.54 +08 02 47.3 557
2020-07-01 00:12:38 C 16 41 31.80 +08 01 51.8 557
2020-07-01 00:46:40 C 16 41 31.14 +08 01 00.9 557
2020-07-03 05:14:38 C 16 40 43.58 +06 40 15.7 q H06
2020-07-03 05:39:19 C 16 40 43.24 +06 39 35.6 q H06
2020-07-04 09:52:10 C 16 40 21.87 +05 53 58.2 V T05
2020-07-04 09:57:28 C 16 40 21.78 +05 53 49.2 V T05
2020-07-04 10:05:24 C 16 40 21.64 +05 53 36.3 V T05
2020-07-04 10:20:10 C 16 40 21.41 +05 53 11.9 V T05
2020-07-04 22:40:28 C 16 40 13.61 +05 32 35.8 V A16
2020-07-04 22:55:41 C 16 40 13.37 +05 32 12.2 q 160
2020-07-04 22:56:26 C 16 40 13.37 +05 32 09.2 V A16
2020-07-04 22:58:52 C 16 40 13.32 +05 32 06.7 q 160
2020-07-04 23:02:06 C 16 40 13.27 +05 32 01.3 q 160
2020-07-04 23:12:21 C 16 40 13.23 +05 31 42.8 V A16
2020-07-04 23:28:21 C 16 40 12.92 +05 31 15.2 V A16
2020-07-05 03:58:59 C 16 40 10.67 +05 23 45.0 V V93
2020-07-05 05:05:42 C 16 40 09.71 +05 21 52.8 V V93
2020-07-05 06:06:17 C 16 40 08.86 +05 20 11.0 V V93
2020-07-05 21:18:39 C 16 40 00.86 +04 54 21.2 V G17
2020-07-05 21:21:51 C 16 40 00.82 +04 54 16.1 V G17
2020-07-05 21:28:47 C 16 40 00.73 +04 54 04.2 V G17