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
2020-06-08 05:14:15 S 16 56 40.872 +16 34 33.60 V C57
2020-06-08 05:14:15 s 1 -130015.16 7 + 8560.761 5540.0 C57
2020-06-08 06:14:15 S 16 56 37.966 +16 34 07.82 V C57
2020-06-08 06:14:15 s 1 -125527.82 1 + 2376.496 5870.0 C57
2020-06-08 08:14:15 S 16 56 32.227 +16 33 27.58 V C57
2020-06-08 08:14:15 s 1 -115548.34 9 - 9992.031 3670.0 C57
2020-06-08 08:44:15 S 16 56 30.689 +16 33 14.29 V C57
2020-06-08 08:44:15 s 1 -112824.45 4 -13070.300 9460.0 C57
2020-06-08 09:14:15 S 16 56 29.215 +16 33 05.51 V C57
2020-06-08 09:14:15 s 1 -110001.62 1 -16137.064 4840.0 C57
2020-06-08 09:44:15 S 16 56 27.691 +16 32 53.16 V C57
2020-06-08 09:44:15 s 1 -107075.94 6 -19188.694 7140.0 C57
2020-06-08 10:14:15 S 16 56 26.129 +16 32 43.58 V C57
2020-06-08 10:14:15 s 1 -104043.40 0 -22221.125 3580.0 C57
2020-06-08 10:44:15 S 16 56 24.461 +16 32 31.38 V C57
2020-06-08 10:44:15 s 1 -100899.85 1 -25229.796 1240.0 C57
2020-06-08 11:14:15 S 16 56 23.119 +16 32 19.46 V C57
2020-06-08 11:14:15 s 1 -97641.081 0 -28209.604 7120.0 C57
2020-06-08 12:44:15 S 16 56 17.978 +16 31 48.29 V C57
2020-06-08 12:44:15 s 1 -87130.760 0 -36915.243 2860.0 C57
2020-06-08 14:44:15 S 16 56 11.306 +16 30 51.73 V C57
2020-06-08 14:44:15 s 1 -71246.182 0 -47689.772 8210.0 C57
2020-06-08 15:14:15 S 16 56 09.672 +16 30 38.77 V C57
2020-06-08 15:14:15 s 1 -66920.094 0 -50167.322 7260.0 C57
2020-06-08 15:44:15 S 16 56 07.661 +16 30 34.20 V C57
2020-06-08 15:44:15 s 1 -62446.976 0 -52534.517 7780.0 C57
2020-06-09 10:22:02 C 16 55 26.84 +16 21 11.4 V T08
2020-06-09 10:28:43 C 16 55 26.63 +16 21 08.4 V T08
2020-06-09 10:39:24 C 16 55 26.25 +16 21 03.4 V T08
2020-06-09 10:55:11 C 16 55 25.73 +16 20 55.9 V T08
2020-06-11 08:10:07 C 16 54 04.36 +15 58 09.6 V 703
2020-06-11 08:18:15 C 16 54 04.10 +15 58 04.7 V 703
2020-06-11 08:26:22 C 16 54 03.81 +15 58 00.7 V 703
2020-06-11 08:34:29 C 16 54 03.54 +15 57 56.1 V 703
2020-06-12 03:42:52 C 16 53 29.62 +15 47 09.5 V V93
2020-06-12 04:45:39 C 16 53 27.49 +15 46 33.4 V V93
2020-06-12 05:37:19 C 16 53 25.72 +15 46 03.6 V V93
2020-06-12 22:39:30 C 16 52 54.70 +15 35 51.9 V 160
2020-06-12 22:42:27 C 16 52 54.60 +15 35 50.0 V 160
2020-06-12 22:45:23 C 16 52 54.50 +15 35 48.2 V 160
2020-06-13 05:56:52 C 16 52 41.30 +15 31 22.7 q H45
2020-06-13 05:58:14 C 16 52 41.26 +15 31 21.7 q H45
2020-06-13 05:59:35 C 16 52 41.21 +15 31 21.2 q H45
2020-06-13 06:00:52 C 16 52 41.16 +15 31 20.1 q H45
2020-06-13 06:02:05 C 16 52 41.12 +15 31 19.3 q H45
2020-06-13 10:01:23 C 16 52 33.88 +15 28 52.9 V T08
2020-06-13 10:15:40 C 16 52 33.38 +15 28 43.8 V T08
2020-06-13 10:26:05 C 16 52 33.00 +15 28 37.0 V T08
2020-06-13 10:30:10 C 16 52 32.85 +15 28 34.5 V T08
2020-06-15 02:27:06 C 16 51 20.48 +15 01 32.0 q I15