1999 XR166

1999XR166, 1998 QS107, 1998QS107, 1998 SA68, 1998SA68, 41311, J98QA7S, J98S68A, J99XG6R

All data for this body: [vot]

MPC data
Name (number) 1999 XR166 (41311)
a 3.18216
e 0.04279
i / sin(i) 8.7095 / 0.15143
q 3.04600
Q 3.31831
ω 208.5570
Node 293.6158
m 94.5175
n 0.1736
Epoch 2460800.5
nobs 2617
nopp 21
Years observed 1998-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.179
ep 0.070
sin(ip) 0.172
G 0.150
H 13.610
Mass
D 12.35 0.232
pV 0.067 0.0097
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.896
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1788 0.0701 0.1722 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.35 0.232 0.232 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0097 0.0097 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
13.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
CX 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.4827 0.4827 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT