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
2020-06-06 16:14:15 S 16 58 01.966 +16 46 33.49 V C57
2020-06-06 16:14:15 s 1 -182043.70 5 +198009.27 5840.0 C57
2020-06-06 17:14:15 S 16 57 59.990 +16 46 17.83 V C57
2020-06-06 17:14:15 s 1 -182194.26 3 +193954.59 5330.0 C57
2020-06-06 17:44:15 S 16 57 59.242 +16 46 06.46 V C57
2020-06-06 17:44:15 s 1 -182250.86 9 +191907.49 140.0 C57
2020-06-06 18:14:15 S 16 57 58.097 +16 45 56.30 V C57
2020-06-06 18:14:15 s 1 -182294.75 0 +189847.13 8170.0 C57
2020-06-06 18:44:15 S 16 57 57.269 +16 45 48.96 V C57
2020-06-06 18:44:15 s 1 -182325.69 0 +187773.42 9300.0 C57
2020-06-06 19:14:15 S 16 57 56.242 +16 45 39.85 V C57
2020-06-06 19:14:15 s 1 -182343.47 0 +185686.29 3410.0 C57
2020-06-06 19:44:15 S 16 57 55.601 +16 45 31.79 V C57
2020-06-06 19:44:15 s 1 -182347.86 4 +183585.65 390.0 C57
2020-06-06 20:14:15 S 16 57 54.528 +16 45 21.42 V C57
2020-06-06 20:14:15 s 1 -182338.64 2 +181471.43 80.0 C57
2020-06-06 20:44:15 S 16 57 53.770 +16 45 15.08 V C57
2020-06-06 20:44:15 s 1 -182315.56 6 +179343.54 2380.0 C57
2020-06-06 22:14:15 S 16 57 50.431 +16 44 46.21 V C57
2020-06-06 22:14:15 s 1 -182160.74 0 +172877.08 3440.0 C57
2020-06-06 22:44:15 S 16 57 49.694 +16 44 36.96 V C57
2020-06-06 22:44:15 s 1 -182079.74 1 +170693.71 4720.0 C57
2020-06-06 23:44:15 S 16 57 47.693 +16 44 20.26 V C57
2020-06-06 23:44:15 s 1 -181872.04 1 +166284.66 2730.0 C57
2020-06-07 00:14:15 S 16 57 46.754 +16 44 08.52 V C57
2020-06-07 00:14:15 s 1 -181744.77 4 +164058.80 9160.0 C57
2020-06-07 00:44:15 S 16 57 45.715 +16 43 59.84 V C57
2020-06-07 00:44:15 s 1 -181601.50 4 +161818.61 6980.0 C57
2020-06-07 01:14:15 S 16 57 45.014 +16 43 48.40 V C57
2020-06-07 01:14:15 s 1 -181441.92 8 +159564.00 6010.0 C57
2020-06-07 01:44:15 S 16 57 43.752 +16 43 41.27 V C57
2020-06-07 01:44:15 s 1 -181265.73 4 +157294.88 6100.0 C57
2020-06-07 02:14:15 S 16 57 42.785 +16 43 30.72 V C57
2020-06-07 02:14:15 s 1 -181072.59 9 +155011.17 7040.0 C57
2020-06-07 02:44:15 S 16 57 41.986 +16 43 20.96 V C57
2020-06-07 02:44:15 s 1 -180862.19 3 +152712.78 8660.0 C57
2020-06-07 03:44:15 S 16 57 39.749 +16 43 05.09 V C57
2020-06-07 03:44:15 s 1 -180388.19 4 +148071.61 3160.0 C57
2020-06-07 04:44:15 S 16 57 37.891 +16 42 45.65 V C57
2020-06-07 04:44:15 s 1 -179840.88 0 +143370.67 7960.0 C57
2020-06-07 05:14:15 S 16 57 36.768 +16 42 35.82 V C57
2020-06-07 05:14:15 s 1 -179538.78 9 +140997.57 9930.0 C57
2020-06-07 06:14:15 S 16 57 34.750 +16 42 16.45 V C57
2020-06-07 06:14:15 s 1 -178875.75 5 +136205.68 1920.0 C57
2020-06-07 06:44:15 S 16 57 33.924 +16 42 09.47 V C57
2020-06-07 06:44:15 s 1 -178513.97 8 +133786.72 1450.0 C57
2020-06-07 07:14:15 S 16 57 32.652 +16 41 57.84 V C57
2020-06-07 07:14:15 s 1 -178131.45 2 +131352.29 9680.0 C57
2020-06-07 07:44:15 S 16 57 31.882 +16 41 49.24 V C57
2020-06-07 07:44:15 s 1 -177727.72 3 +128902.33 6340.0 C57