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
2020-06-05 20:44:15 S 16 58 35.868 +16 52 05.16 – V C57
2020-06-05 20:44:15 s 1 -170992.73 1 +267312.84 4990.0 – C57
2020-06-05 21:14:15 S 16 58 35.117 +16 52 00.16 – V C57
2020-06-05 21:14:15 s 1 -171435.54 1 +265752.54 3230.0 – C57
2020-06-05 21:44:15 S 16 58 34.169 +16 51 51.08 – V C57
2020-06-05 21:44:15 s 1 -171871.28 6 +264181.50 7780.0 – C57
2020-06-05 22:44:15 S 16 58 32.683 +16 51 36.07 – V C57
2020-06-05 22:44:15 s 1 -172721.21 8 +261006.97 5670.0 – C57
2020-06-05 23:44:15 S 16 58 30.982 +16 51 21.20 – V C57
2020-06-05 23:44:15 s 1 -173541.79 0 +257788.88 8250.0 – C57
2020-06-06 00:14:15 S 16 58 29.954 +16 51 13.79 – V C57
2020-06-06 00:14:15 s 1 -173940.82 9 +256163.37 3670.0 – C57
2020-06-06 00:44:15 S 16 58 29.280 +16 51 03.42 – V C57
2020-06-06 00:44:15 s 1 -174332.23 8 +254526.82 5100.0 – C57
2020-06-06 01:14:15 S 16 58 28.644 +16 50 53.52 – V C57
2020-06-06 01:14:15 s 1 -174715.92 0 +252879.18 2500.0 – C57
2020-06-06 01:44:15 S 16 58 27.622 +16 50 46.57 – V C57
2020-06-06 01:44:15 s 1 -175091.77 1 +251220.39 5810.0 – C57
2020-06-06 02:14:15 S 16 58 26.621 +16 50 38.54 – V C57
2020-06-06 02:14:15 s 1 -175459.68 7 +249550.40 4960.0 – C57
2020-06-06 02:44:15 S 16 58 25.798 +16 50 27.71 – V C57
2020-06-06 02:44:15 s 1 -175819.56 3 +247869.17 9910.0 – C57
2020-06-06 04:14:15 S 16 58 23.431 +16 50 04.60 – V C57
2020-06-06 04:14:15 s 1 -176849.85 7 +242757.42 8910.0 – C57
2020-06-06 05:14:15 S 16 58 21.540 +16 49 47.10 – V C57
2020-06-06 05:14:15 s 1 -177494.48 0 +239292.33 9430.0 – C57
2020-06-06 05:44:15 S 16 58 20.861 +16 49 37.74 – V C57
2020-06-06 05:44:15 s 1 -177803.77 0 +237542.44 7850.0 – C57
2020-06-06 06:14:15 S 16 58 19.872 +16 49 28.56 – V C57
2020-06-06 06:14:15 s 1 -178104.21 6 +235780.91 1630.0 – C57
2020-06-06 07:14:15 S 16 58 18.084 +16 49 15.42 – V C57
2020-06-06 07:14:15 s 1 -178678.07 9 +232222.68 4990.0 – C57
2020-06-06 08:44:15 S 16 58 15.386 +16 48 48.42 – V C57
2020-06-06 08:44:15 s 1 -179469.36 1 +226796.53 8450.0 – C57
2020-06-06 09:14:15 S 16 58 14.410 +16 48 37.80 – V C57
2020-06-06 09:14:15 s 1 -179714.04 8 +224963.88 2890.0 – C57
2020-06-06 09:44:15 S 16 58 13.718 +16 48 30.53 – V C57
2020-06-06 09:44:15 s 1 -179948.96 4 +223119.16 2180.0 – C57
2020-06-06 10:44:15 S 16 58 11.947 +16 48 14.18 – V C57
2020-06-06 10:44:15 s 1 -180388.91 1 +219393.27 5000.0 – C57
2020-06-06 12:14:15 S 16 58 09.086 +16 47 44.88 – V C57
2020-06-06 12:14:15 s 1 -180971.85 5 +213712.27 8560.0 – C57
2020-06-06 12:44:15 S 16 58 08.251 +16 47 38.04 – V C57
2020-06-06 12:44:15 s 1 -181145.01 7 +211793.77 5230.0 – C57
2020-06-06 13:44:15 S 16 58 06.490 +16 47 20.65 – V C57
2020-06-06 13:44:15 s 1 -181458.63 0 +207919.08 1260.0 – C57
2020-06-06 15:14:15 S 16 58 03.780 +16 46 53.76 – V C57
2020-06-06 15:14:15 s 1 -181844.68 6 +202011.80 590.0 – C57
2020-06-06 15:44:15 S 16 58 02.918 +16 46 45.26 – V C57
2020-06-06 15:44:15 s 1 -181950.15 5 +200017.02 1380.0 – C57