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
2020-06-04 05:14:15 S 16 59 35.974 +17 02 02.98 V C57
2020-06-04 05:14:15 s 1 -119326.03 5 +359762.14 4800.0 C57
2020-06-04 05:44:15 S 16 59 35.052 +17 01 53.15 V C57
2020-06-04 05:44:15 s 1 -120134.64 9 +358942.95 7550.0 C57
2020-06-04 06:14:15 S 16 59 34.474 +17 01 49.08 V C57
2020-06-04 06:14:15 s 1 -120940.29 3 +358115.32 8920.0 C57
2020-06-04 06:44:15 S 16 59 33.653 +17 01 41.09 V C57
2020-06-04 06:44:15 s 1 -121742.93 5 +357279.23 8870.0 C57
2020-06-04 07:14:15 S 16 59 32.894 +17 01 32.41 V C57
2020-06-04 07:14:15 s 1 -122542.54 5 +356434.66 7410.0 C57
2020-06-04 07:44:15 S 16 59 32.359 +17 01 28.60 V C57
2020-06-04 07:44:15 s 1 -123339.09 0 +355581.59 4500.0 C57
2020-06-04 08:14:15 S 16 59 31.610 +17 01 21.65 V C57
2020-06-04 08:14:15 s 1 -124132.53 9 +354720.01 120.0 C57
2020-06-04 08:44:15 S 16 59 30.859 +17 01 13.80 V C57
2020-06-04 08:44:15 s 1 -124922.86 1 +353849.90 4270.0 C57
2020-06-04 09:14:15 S 16 59 30.132 +17 01 07.14 V C57
2020-06-04 09:14:15 s 1 -125710.02 2 +352971.24 6910.0 C57
2020-06-04 09:44:15 S 16 59 29.520 +17 01 02.93 V C57
2020-06-04 09:44:15 s 1 -126493.99 0 +352084.02 8030.0 C57
2020-06-04 10:14:15 S 16 59 28.699 +17 00 51.62 V C57
2020-06-04 10:14:15 s 1 -127274.73 2 +351188.21 7610.0 C57
2020-06-04 10:44:15 S 16 59 28.277 +17 00 47.16 V C57
2020-06-04 10:44:15 s 1 -128052.21 4 +350283.81 5630.0 C57
2020-06-04 11:44:15 S 16 59 26.621 +17 00 32.00 V C57
2020-06-04 11:44:15 s 1 -129597.26 5 +348449.12 6910.0 C57
2020-06-04 12:14:15 S 16 59 25.930 +17 00 26.71 V C57
2020-06-04 12:14:15 s 1 -130364.76 5 +347518.81 130.0 C57
2020-06-04 15:44:15 S 16 59 20.926 +16 59 36.31 V C57
2020-06-04 15:44:15 s 1 -135640.16 1 +340762.58 5500.0 C57
2020-06-04 16:14:15 S 16 59 20.273 +16 59 28.32 V C57
2020-06-04 16:14:15 s 1 -136379.48 1 +339762.31 5000.0 C57
2020-06-04 16:44:15 S 16 59 19.541 +16 59 22.96 V C57
2020-06-04 16:44:15 s 1 -137115.11 1 +338753.19 2670.0 C57
2020-06-04 17:14:15 S 16 59 18.607 +16 59 16.12 V C57
2020-06-04 17:14:15 s 1 -137847.01 3 +337735.21 8520.0 C57
2020-06-04 17:44:15 S 16 59 18.062 +16 59 10.18 V C57
2020-06-04 17:44:15 s 1 -138575.14 9 +336708.36 2510.0 C57
2020-06-04 18:14:15 S 16 59 17.410 +16 59 01.03 V C57
2020-06-04 18:14:15 s 1 -139299.47 8 +335672.59 4610.0 C57
2020-06-04 18:44:15 S 16 59 16.406 +16 58 53.76 V C57
2020-06-04 18:44:15 s 1 -140019.96 2 +334627.90 4820.0 C57
2020-06-04 19:14:15 S 16 59 15.658 +16 58 44.22 V C57
2020-06-04 19:14:15 s 1 -140736.55 9 +333574.26 3090.0 C57
2020-06-04 19:44:15 S 16 59 14.938 +16 58 37.99 V C57
2020-06-04 19:44:15 s 1 -141449.22 9 +332511.64 9420.0 C57
2020-06-04 20:14:15 S 16 59 14.126 +16 58 30.25 V C57
2020-06-04 20:14:15 s 1 -142157.93 1 +331440.02 3780.0 C57
2020-06-04 23:14:15 S 16 59 09.413 +16 57 44.21 V C57
2020-06-04 23:14:15 s 1 -146324.42 4 +324819.99 7130.0 C57