1999HO4

17937, 1987QG12, J87Q12G, J99H04O

All data for this body: [vot]

MPC data
Name (number) 1999HO4 (17937)
Packed designation 17937
a 2.63191
e 0.22791
i / sin(i) 3.9180 / 0.06833
q 2.03206
Q 3.23176
ω 136.7364
Node 201.9180
m 19.7536
n 0.2308
Epoch 2459600.5
nobs 1944
nopp 19
Years observed 1987-2021
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.633
ep 0.182
sin(ip) 0.078
Value Standard error
G 0.150
H 14.630
Mass
D 7.05 0.104
pV 0.069 0.0105
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6330 0.1817 0.0783 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.69 1.690 1.690 Masiero 2020PSJ.....1....5M NEATM
6.09 1.550 1.550 Masiero 2020PSJ.....1....5M NEATM
7.06 0.104 0.104 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0110 0.0110 Masiero 2011ApJ...741...68M NEATM
0.076 0.0440 0.0440 Masiero 2020PSJ.....1....5M NEATM
0.086 0.0590 0.0590 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
14.63 MPC-2022-01-18 MPC-2022-01-18 Phot