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
2020-05-31 23:52:48 C 17 01 00.18 +17 20 38.7 – V 130
2020-05-31 23:54:57 C 17 01 00.10 +17 20 38.5 – V 130
2020-05-31 23:57:06 C 17 01 00.03 +17 20 38.2 – V 130
2020-06-01 00:09:00 C 17 00 59.76 +17 20 35.8 – V A16
2020-06-01 00:26:30 C 17 00 59.29 +17 20 32.5 – V A16
2020-06-01 00:43:26 C 17 00 58.80 +17 20 31.0 – V A16
2020-06-01 00:51:38 C 17 00 58.58 +17 20 29.8 – V A16
2020-06-01 01:35:17 C 17 00 57.67 +17 20 28.7 – o Z22
2020-06-01 04:30:18 C 17 00 52.73 +17 20 02.6 – o Z22
2020-06-01 05:44:16 S 17 01 05.748 +17 15 15.70 – V C57
2020-06-01 05:44:16 s 1 +14783.144 0 +393969.88 9250.0 – C57
2020-06-01 06:14:16 S 17 01 05.201 +17 15 09.00 – V C57
2020-06-01 06:14:16 s 1 +13789.169 0 +394298.37 6020.0 – C57
2020-06-01 07:14:16 S 17 01 03.804 +17 14 59.14 – V C57
2020-06-01 07:14:16 s 1 +11800.755 0 +394930.65 6680.0 – C57
2020-06-01 07:44:16 S 17 01 03.372 +17 14 52.04 – V C57
2020-06-01 07:44:16 s 1 +10806.360 0 +395234.47 610.0 – C57
2020-06-01 08:14:16 S 17 01 02.794 +17 14 47.65 – V C57
2020-06-01 09:14:16 S 17 01 01.826 +17 14 40.63 – V C57
2020-06-01 09:44:16 S 17 01 00.967 +17 14 32.46 – V C57
2020-06-01 10:47:54 C 17 00 43.99 +17 19 09.2 – V T08
2020-06-01 10:51:58 C 17 00 43.86 +17 19 08.7 – V T08
2020-06-01 11:00:53 C 17 00 43.61 +17 19 07.3 – V T08
2020-06-01 11:16:10 C 17 00 43.15 +17 19 04.8 – V T08
2020-06-01 15:44:51 C 17 00 36.75 +17 18 18.9 – q D29
2020-06-01 16:05:13 C 17 00 36.14 +17 18 15.7 – q D29
2020-06-01 16:25:34 C 17 00 35.55 +17 18 12.1 – q D29
2020-06-01 22:16:48 C 17 00 26.90 +17 17 10.6 – q 160
2020-06-01 22:19:44 C 17 00 26.89 +17 17 10.6 – q 160
2020-06-01 22:22:39 C 17 00 26.77 +17 17 10.5 – q 160
2020-06-02 08:44:58 C 17 00 10.57 +17 15 21.7 – V 703
2020-06-02 08:51:23 C 17 00 10.28 +17 15 20.4 – V 703
2020-06-02 08:57:47 C 17 00 10.08 +17 15 19.5 – V 703
2020-06-02 09:04:13 C 17 00 09.89 +17 15 18.3 – V 703
2020-06-02 09:23:10 C 17 00 10.05 +17 15 17.5 – V T05
2020-06-02 09:29:14 C 17 00 09.89 +17 15 16.4 – V T05
2020-06-02 09:37:10 C 17 00 09.64 +17 15 14.9 – V T05
2020-06-02 09:44:37 C 17 00 09.41 +17 15 13.1 – V T05
2020-06-02 23:44:15 S 17 00 15.401 +17 08 09.02 – V C57
2020-06-02 23:44:15 s 1 -67337.776 0 +393584.48 60.0 – C57
2020-06-03 00:44:15 S 17 00 14.071 +17 07 57.76 – V C57
2020-06-03 00:44:15 s 1 -69211.009 0 +392895.15 1380.0 – C57
2020-06-03 01:14:15 S 17 00 13.207 +17 07 54.62 – V C57
2020-06-03 01:14:15 s 1 -70145.332 0 +392538.63 7680.0 – C57
2020-06-03 02:44:15 S 17 00 11.369 +17 07 37.70 – V C57
2020-06-03 02:44:15 s 1 -72938.876 0 +391421.59 9330.0 – C57
2020-06-03 03:14:15 S 17 00 10.663 +17 07 27.44 – V C57
2020-06-03 03:14:15 s 1 -73866.847 0 +391033.41 7520.0 – C57
2020-06-03 04:44:47 C 16 59 39.85 +17 11 18.2 – u H21
2020-06-03 04:47:48 C 16 59 39.76 +17 11 17.6 – u H21