1999 XK39

1999XK39, 1992 UV10, 1992UV10, 1997 AL20, 1997AL20, 47340, J92U10V, J97A20L, J99X39K

All data for this body: [vot]

MPC data
Name (number) 1999 XK39 (47340)
a 2.25017
e 0.12090
i / sin(i) 3.3731 / 0.05884
q 1.97812
Q 2.52221
ω 222.7099
Node 157.2086
m 233.1766
n 0.2920
Epoch 2460800.5
nobs 1398
nopp 21
Years observed 1992-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.250
ep 0.092
sin(ip) 0.060
G 0.150
H 15.890
Mass
D 1.82 0.285
pV 0.307 0.1342
Value
Rotational Period 40.000
Period quality 2
Spectral Class S
Spectral Class Score 5.994
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2499 0.0924 0.0603 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.82 0.285 0.285 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.307 0.1342 0.1342 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
15.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
40.0 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.3628 0.3628 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT