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
2020-04-28 11:59:08 C 17 04 53.54 +13 57 44.3 – V T05
2020-04-28 12:19:08 C 17 04 53.80 +13 57 53.9 – V T05
2020-04-28 12:35:31 C 17 04 54.01 +13 58 02.4 – V T05
2020-04-29 09:49:20 C 17 05 14.41 +14 08 02.1 – V 703
2020-04-29 09:56:56 C 17 05 14.49 +14 08 06.9 – V 703
2020-04-29 10:04:33 C 17 05 14.62 +14 08 10.7 – V 703
2020-04-29 10:12:08 C 17 05 14.70 +14 08 13.6 – V 703
2020-04-30 11:31:56 C 17 05 37.57 +14 20 07.7 – V T08
2020-04-30 11:36:01 C 17 05 37.60 +14 20 09.5 – V T08
2020-04-30 11:41:19 C 17 05 37.68 +14 20 11.8 – V T08
2020-04-30 11:49:09 C 17 05 37.76 +14 20 15.3 – V T08
2020-05-02 09:57:48 C 17 06 13.47 +14 41 22.1 – V G96
2020-05-02 10:05:20 C 17 06 13.53 +14 41 25.5 – V G96
2020-05-02 10:14:11 C 17 06 13.61 +14 41 29.5 – V G96
2020-05-02 10:21:43 C 17 06 13.68 +14 41 32.7 – V G96
2020-05-02 11:20:13 C 17 06 14.716 +14 42 01.10 – U F52
2020-05-02 11:41:00 C 17 06 14.907 +14 42 10.51 – U F52
2020-05-02 11:57:55 C 17 06 15.055 +14 42 18.33 – U F52
2020-05-02 12:15:02 C 17 06 15.202 +14 42 26.03 – U F52
2020-05-02 13:31:05 C 17 06 15.86 +14 43 00.0 – V T05
2020-05-02 13:35:16 C 17 06 15.90 +14 43 02.7 – V T05
2020-05-02 14:12:05 C 17 06 16.18 +14 43 18.7 – V T05
2020-05-02 14:26:31 C 17 06 16.31 +14 43 24.6 – V T05
2020-05-04 10:41:03 C 17 06 44.48 +15 02 59.5 – V T08
2020-05-04 10:45:45 C 17 06 44.51 +15 03 01.7 – V T08
2020-05-04 10:49:44 C 17 06 44.56 +15 03 03.7 – V T08
2020-05-04 11:02:13 C 17 06 44.61 +15 03 08.8 – V T08
2020-05-06 20:46:22 C 17 07 11.18 +15 27 29.2 – V A17
2020-05-06 20:57:39 C 17 07 11.22 +15 27 33.2 – V A17
2020-05-06 21:08:53 C 17 07 11.28 +15 27 38.0 – V A17
2020-05-09 06:52:05 C 17 07 26.41 +15 50 37.9 – u H21
2020-05-09 06:54:44 C 17 07 26.41 +15 50 39.2 – u H21
2020-05-09 06:57:15 C 17 07 26.40 +15 50 39.9 – u H21
2020-05-09 06:59:46 C 17 07 26.41 +15 50 41.4 – u H21
2020-05-09 07:02:17 C 17 07 26.42 +15 50 42.0 – u H21
2020-05-09 07:04:48 C 17 07 26.41 +15 50 43.1 – u H21
2020-05-09 07:07:19 C 17 07 26.41 +15 50 44.1 – u H21
2020-05-09 07:09:51 C 17 07 26.41 +15 50 44.9 – u H21
2020-05-09 07:12:22 C 17 07 26.41 +15 50 46.1 – u H21
2020-05-09 07:14:53 C 17 07 26.41 +15 50 47.0 – u H21
2020-05-09 07:17:24 C 17 07 26.42 +15 50 47.9 – u H21
2020-05-09 07:19:17 C 17 07 26.40 +15 50 48.4 – u H21
2020-05-10 12:11:55 C 17 07 29.86 +16 01 43.3 – V T05
2020-05-10 12:18:14 C 17 07 29.87 +16 01 45.4 – V T05
2020-05-10 13:03:18 C 17 07 29.75 +16 02 02.5 – V T05
2020-05-10 13:11:11 C 17 07 29.72 +16 02 05.3 – V T05
2020-05-13 22:03:51 C 17 07 24.92 +16 29 45.1 – V Z80
2020-05-13 22:15:46 C 17 07 24.91 +16 29 48.7 – V Z80
2020-05-14 22:45:04 C 17 07 18.85 +16 37 23.1 – V Z80
2020-05-14 22:53:24 C 17 07 18.84 +16 37 25.5 – V Z80