1998XA8

F5489, J98X08A

All data for this body: [vot]

MPC data
Name (number) 1998XA8 (155489)
Packed designation F5489
a 3.13952
e 0.17561
i / sin(i) 1.1022 / 0.01924
q 2.58820
Q 3.69084
ω 149.8785
Node 173.2008
m 126.2822
n 0.1772
Epoch 2459600.5
nobs 282
nopp 14
Years observed 1992-2021
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.142
ep 0.152
sin(ip) 0.026
Value Standard error
G 0.150
H 16.090
Mass
D 3.58 1.166
pV 0.050 0.0377
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1418 0.1525 0.0257 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.58 1.166 1.166 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0377 0.0377 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
16.09 MPC-2022-01-18 MPC-2022-01-18 Phot