Josefhlavka

1998QO4, 21539, J98Q04O

All data for this body: [vot]

MPC data
Name (number) Josefhlavka (21539)
Packed designation 21539
a 3.17719
e 0.02450
i / sin(i) 13.1843 / 0.22808
q 3.09934
Q 3.25504
ω 44.2680
Node 301.1809
m 42.4278
n 0.1740
Epoch 2459600.5
nobs 1339
nopp 20
Years observed 1995-2022
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.179
ep 0.002
sin(ip) 0.247
Value Standard error
G 0.150
H 13.710
Mass
D 12.05 0.133
pV 0.049 0.0109
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1789 0.0023 0.2472 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.05 0.133 0.133 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0109 0.0109 Masiero 2011ApJ...741...68M 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
13.71 MPC-2022-01-18 MPC-2022-01-18 Phot