1999 XD18

1999XD18, 1989 GQ5, 1989GQ5, 2001 CG34, 2001CG34, 70966, J89G05Q, J99X18D, K01C34G

All data for this body: [vot]

MPC data
Name (number) 1999 XD18 (70966)
a 2.58061
e 0.09254
i / sin(i) 15.8845 / 0.27370
q 2.34180
Q 2.81943
ω 18.4502
Node 32.4172
m 28.0743
n 0.2377
Epoch 2460800.5
nobs 1885
nopp 21
Years observed 1989-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.580
ep 0.080
sin(ip) 0.263
G 0.150
H 14.770
Mass
D 3.12 0.532
pV 0.315 0.0530
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5799 0.0795 0.2632 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.532 0.532 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.315 0.0530 0.0530 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
14.77 MPC-2023-12-04 MPC-2023-12-04 Phot