1998 XY9

1998XY9, 70002, J98X09Y

All data for this body: [vot]

MPC data
Name (number) 1998 XY9 (70002)
a 3.13210
e 0.18790
i / sin(i) 2.3792 / 0.04151
q 2.54358
Q 3.72062
ω 312.4814
Node 80.8610
m 186.5371
n 0.1778
Epoch 2460200.5
nobs 1171
nopp 19
Years observed 1992-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.122
ep 0.167
sin(ip) 0.022
Value Standard error
G 0.150
H 14.900
Mass
D 6.20 0.215
pV 0.055 0.0133
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis -0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1219 0.1671 0.0217 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.20 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0133 0.0133 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
14.90 MPC-2023-12-04 MPC-2023-12-04 Phot