IAA RAS IAA Minor Planet Database

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
2020-07-05 21:56:41 C 16 40 00.36 +04 53 15.9 – V 160
2020-07-05 21:58:45 C 16 40 00.34 +04 53 12.3 – V 160
2020-07-05 22:00:49 C 16 40 00.33 +04 53 09.0 – V 160
2020-07-05 22:29:03 C 16 40 00.21 +04 52 18.8 – V Z80
2020-07-05 22:33:41 C 16 40 00.05 +04 52 10.5 – V Z80
2020-07-05 22:37:26 C 16 40 00.07 +04 52 03.9 – V Z80
2020-07-06 09:14:43 C 16 39 54.62 +04 33 55.5 – V T08
2020-07-06 09:16:43 C 16 39 54.60 +04 33 52.2 – V T08
2020-07-06 09:19:23 C 16 39 54.56 +04 33 47.6 – V T08
2020-07-06 09:21:22 C 16 39 54.53 +04 33 43.9 – V T08
2020-07-06 09:27:21 C 16 39 54.46 +04 33 33.7 – V T08
2020-07-06 09:30:40 C 16 39 54.42 +04 33 28.0 – V T08
2020-07-06 09:50:39 C 16 39 54.16 +04 32 53.3 – V T08
2020-07-06 22:25:10 C 16 39 49.12 +04 10 48.0 – V Z43
2020-07-06 22:35:40 C 16 39 49.00 +04 10 29.4 – V Z43
2020-07-06 22:43:52 C 16 39 48.91 +04 10 14.9 – V Z43
2020-07-06 22:52:20 C 16 39 48.87 +04 10 00.2 – V Z43
2020-07-06 23:00:10 C 16 39 48.74 +04 09 46.3 – V Z43
2020-07-07 12:09:33 C 16 39 43.06 +03 46 38.3 – V T05
2020-07-07 12:15:32 C 16 39 42.96 +03 46 27.8 – V T05
2020-07-07 12:22:57 C 16 39 42.91 +03 46 13.8 – V T05
2020-07-07 12:44:16 C 16 39 42.77 +03 45 35.9 – V T05
2020-07-08 05:02:54 C 16 39 39.26 +03 16 15.4 – U I41
2020-07-08 06:04:48 C 16 39 38.69 +03 14 23.4 – U I41
2020-07-08 08:55:30 C 16 39 37.91 +03 09 18.5 – V T05
2020-07-08 09:00:46 C 16 39 37.86 +03 09 09.1 – V T05
2020-07-08 09:10:44 C 16 39 37.77 +03 08 50.8 – V T05
2020-07-08 09:28:14 C 16 39 37.61 +03 08 19.0 – V T05
2020-07-08 22:32:17 C 16 39 35.06 +02 44 18.9 – q L47
2020-07-08 22:34:14 C 16 39 34.81 +02 44 16.2 – q L47
2020-07-09 03:35:49 C 16 39 34.74 +02 35 00.2 – V V93
2020-07-09 04:35:45 C 16 39 34.34 +02 33 09.4 – V V93
2020-07-09 05:39:44 C 16 39 33.92 +02 31 11.0 – V V93
2020-07-09 21:22:26 C 16 39 32.96 +02 01 53.9 – V 160
2020-07-09 21:25:20 C 16 39 32.95 +02 01 48.6 – V 160
2020-07-09 21:28:19 C 16 39 32.93 +02 01 43.2 – V 160
2020-07-10 03:44:10 C 16 39 33.21 +01 49 56.2 – q 463
2020-07-10 03:57:15 C 16 39 33.10 +01 49 32.3 – q 463
2020-07-10 04:25:39 C 16 39 32.96 +01 48 38.7 – q 463
2020-07-10 09:37:12 C 16 39 32.37 +01 38 55.9 – V T08
2020-07-10 09:43:50 C 16 39 32.36 +01 38 43.2 – V T08
2020-07-10 09:53:55 C 16 39 32.31 +01 38 24.1 – V T08
2020-07-10 10:09:59 C 16 39 32.24 +01 37 53.7 – V T08
2020-07-10 21:03:59 C 16 39 33.47 +01 17 00.5 – V 160
2020-07-10 21:06:54 C 16 39 33.45 +01 16 55.2 – V 160
2020-07-10 21:09:48 C 16 39 33.50 +01 16 50.3 – V 160
2020-07-10 22:10:25 C 16 39 33.53 +01 14 52.2 – V Z43
2020-07-10 22:35:11 C 16 39 33.45 +01 14 04.9 – V Z43
2020-07-10 22:59:42 C 16 39 33.42 +01 13 17.8 – V Z43
2020-07-10 23:38:30 C 16 39 33.33 +01 12 03.2 – V Z43