1999YJ18

75559, J99Y18J

All data for this body: [vot]

MPC data
Name (number) 1999YJ18 (75559)
Packed designation 75559
a 2.65384
e 0.16018
i / sin(i) 28.7731 / 0.48134
q 2.22874
Q 3.07893
ω 27.7746
Node 154.7415
m 322.9137
n 0.2280
Epoch 2459600.5
nobs 1691
nopp 18
Years observed 1999-2022
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.653
ep 0.235
sin(ip) 0.456
Value Standard error
G 0.150
H 14.070
Mass
D 7.60 1.150
pV 0.058 0.0161
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6529 0.2349 0.4555 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.74 2.130 2.130 Masiero 2020PSJ.....1....5M NEATM
7.51 1.590 1.590 Masiero 2020PSJ.....1....5M NEATM
9.20 2.666 2.666 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.052 0.0176 0.0176 Masiero 2011ApJ...741...68M NEATM
0.079 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.098 0.0720 0.0720 Masiero 2020PSJ.....1....5M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.07 MPC-2022-01-18 MPC-2022-01-18 Phot