1999 XN90

1999XN90, 49841, J99X90N

All data for this body: [vot]

MPC data
Name (number) 1999 XN90 (49841)
a 2.21362
e 0.12877
i / sin(i) 3.2231 / 0.05622
q 1.92856
Q 2.49867
ω 261.9401
Node 262.0902
m 22.3498
n 0.2993
Epoch 2460200.5
nobs 1452
nopp 18
Years observed 1998-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.213
ep 0.183
sin(ip) 0.072
Value Standard error
G 0.150
H 15.760
Mass
D 2.07 0.111
pV 0.284 0.1026
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2130 0.1835 0.0721 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.07 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.284 0.1026 0.1026 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
15.76 MPC-2023-12-04 MPC-2023-12-04 Phot