1998DS4

1977EO2, 1990QQ9, 1995OZ7, 29559, J77E02O, J90Q09Q, J95O07Z, J98D04S

All data for this body: [vot]

MPC data
Name (number) 1998DS4 (29559)
Packed designation 29559
a 3.02650
e 0.10226
i / sin(i) 16.0029 / 0.27569
q 2.71701
Q 3.33600
ω 227.8629
Node 151.0865
m 315.0294
n 0.1872
Epoch 2459600.5
nobs 1503
nopp 22
Years observed 1977-2021
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.026
ep 0.062
sin(ip) 0.265
Value Standard error
G 0.150
H 13.760
Mass
D 9.94 0.194
pV 0.048 0.0086
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0256 0.0625 0.2645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
9.71 0.200 0.200 Masiero 2011ApJ...741...68M NEATM
12.06 1.450 1.450 Masiero 2012ApJ...759L...8M NEATM
14.45 1.040 1.040 Usui 2011PASJ...63.1117U NEATM
14.94 2.990 2.990 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.031 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.053 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.074 0.0162 0.0162 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
13.76 MPC-2022-01-18 MPC-2022-01-18 Phot