1998 XX20

1998XX20, 1987 QE8, 1987QE8, 47059, J87Q08E, J98X20X

All data for this body: [vot]

MPC data
Name (number) 1998 XX20 (47059)
a 2.85099
e 0.19390
i / sin(i) 12.1032 / 0.20967
q 2.29817
Q 3.40381
ω 61.9616
Node 282.5352
m 152.7804
n 0.2047
Epoch 2460200.5
nobs 1996
nopp 20
Years observed 1987-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.852
ep 0.112
sin(ip) 0.232
Value Standard error
G 0.150
H 13.820
Mass
D 6.14 0.514
pV 0.158 0.0419
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8522 0.1117 0.2322 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.81 1.128 1.128 Masiero 2011ApJ...741...68M NEATM
6.49 0.578 0.578 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.139 0.0459 0.0459 Masiero 2011ApJ...741...68M NEATM
0.253 0.1027 0.1027 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot