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
2020-06-07 08:14:15 S 16 57 30.768 +16 41 38.29 V C57
2020-06-07 08:14:15 s 1 -177302.32 6 +126436.73 1170.0 C57
2020-06-07 08:44:15 S 16 57 29.750 +16 41 28.50 V C57
2020-06-07 08:44:15 s 1 -176854.78 0 +123955.44 3890.0 C57
2020-06-07 09:14:15 S 16 57 28.351 +16 41 18.46 V C57
2020-06-07 09:14:15 s 1 -176384.58 6 +121458.35 4210.0 C57
2020-06-07 10:25:02 C 16 56 51.03 +16 41 17.4 V T05
2020-06-07 10:29:21 C 16 56 50.89 +16 41 16.0 V T05
2020-06-07 11:13:33 C 16 56 49.44 +16 40 58.9 V T05
2020-06-07 11:21:10 C 16 56 49.17 +16 40 56.2 V T05
2020-06-07 12:14:15 S 16 57 22.193 +16 40 22.87 V C57
2020-06-07 12:14:15 s 1 -173057.65 4 +106140.12 8370.0 C57
2020-06-07 12:44:15 S 16 57 20.784 +16 40 09.59 V C57
2020-06-07 12:44:15 s 1 -172413.43 0 +103530.48 2940.0 C57
2020-06-07 13:14:15 S 16 57 19.978 +16 39 58.50 V C57
2020-06-07 13:14:15 s 1 -171741.88 3 +100904.52 2400.0 C57
2020-06-07 13:44:15 S 16 57 18.826 +16 39 52.24 V C57
2020-06-07 13:44:15 s 1 -171042.32 9 +98262.182 6340.0 C57
2020-06-07 14:14:15 S 16 57 17.748 +16 39 42.52 V C57
2020-06-07 14:14:15 s 1 -170314.05 6 +95603.412 4350.0 C57
2020-06-07 14:44:15 S 16 57 16.562 +16 39 29.92 V C57
2020-06-07 14:44:15 s 1 -169556.32 6 +92928.180 5990.0 C57
2020-06-07 15:44:15 S 16 57 14.326 +16 39 12.85 V C57
2020-06-07 15:44:15 s 1 -167949.39 5 +87528.210 8360.0 C57
2020-06-07 16:44:15 S 16 57 11.842 +16 38 50.32 V C57
2020-06-07 16:44:15 s 1 -166215.02 7 +82062.124 9590.0 C57
2020-06-07 17:14:15 S 16 57 10.990 +16 38 38.83 V C57
2020-06-07 17:14:15 s 1 -165297.87 5 +79304.285 2240.0 C57
2020-06-07 17:44:15 S 16 57 09.770 +16 38 29.40 V C57
2020-06-07 17:44:15 s 1 -164346.17 6 +76529.936 5510.0 C57
2020-06-07 18:14:15 S 16 57 08.686 +16 38 17.52 V C57
2020-06-07 18:14:15 s 1 -163358.95 6 +73739.109 8810.0 C57
2020-06-07 18:44:15 S 16 57 07.478 +16 38 10.21 V C57
2020-06-07 18:44:15 s 1 -162335.20 0 +70931.853 1540.0 C57
2020-06-07 19:14:15 S 16 57 06.127 +16 37 59.95 V C57
2020-06-07 19:14:15 s 1 -161273.85 1 +68108.230 3070.0 C57
2020-06-07 19:44:15 S 16 57 04.997 +16 37 52.21 V C57
2020-06-07 19:44:15 s 1 -160173.80 2 +65268.324 2730.0 C57
2020-06-07 20:14:15 S 16 57 03.838 +16 37 38.42 V C57
2020-06-07 20:14:15 s 1 -159033.90 3 +62412.237 9830.0 C57
2020-06-07 20:44:15 S 16 57 02.647 +16 37 29.75 V C57
2020-06-07 20:44:15 s 1 -157852.94 9 +59540.096 3640.0 C57
2020-06-07 21:14:15 S 16 57 01.843 +16 37 20.06 V C57
2020-06-07 21:14:15 s 1 -156629.68 3 +56652.051 3400.0 C57
2020-06-08 03:14:15 S 16 56 46.560 +16 35 16.44 V C57
2020-06-08 03:14:15 s 1 -138104.66 2 +20859.723 9980.0 C57
2020-06-08 03:44:15 S 16 56 45.084 +16 35 05.78 V C57
2020-06-08 03:44:15 s 1 -136186.21 9 +17796.993 7670.0 C57
2020-06-08 04:44:15 S 16 56 42.146 +16 34 42.96 V C57
2020-06-08 04:44:15 s 1 -132144.06 3 +11646.303 2110.0 C57