1998HQ12

1990DK2, 22559, J90D02K, J98H12Q

All data for this body: [vot]

MPC data
Name (number) 1998HQ12 (22559)
Packed designation 22559
a 2.40513
e 0.11317
i / sin(i) 13.0066 / 0.22506
q 2.13293
Q 2.67732
ω 5.0146
Node 146.2345
m 201.9104
n 0.2642
Epoch 2459600.5
nobs 1502
nopp 19
Years observed 1990-2021
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.403
ep 0.177
sin(ip) 0.217
Value Standard error
G 0.150
H 14.860
Mass
D 3.08 0.866
pV 0.204 0.1367
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4027 0.1766 0.2166 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.08 0.866 0.866 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.1367 0.1367 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
14.86 MPC-2022-01-18 MPC-2022-01-18 Phot