1999 XQ39

1999XQ39, 1990 WG11, 1990WG11, 1998 MV12, 1998MV12, 41247, J90W11G, J98M12V, J99X39Q

All data for this body: [vot]

MPC data
Name (number) 1999 XQ39 (41247)
a 2.73638
e 0.18318
i / sin(i) 13.7584 / 0.23783
q 2.23512
Q 3.23765
ω 91.5285
Node 230.6862
m 303.9085
n 0.2177
Epoch 2460800.5
nobs 2559
nopp 23
Years observed 1990-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.736
ep 0.136
sin(ip) 0.259
G 0.150
H 14.160
Mass
D
pV
Value
Rotational Period 3.750
Period quality 2
Spectral Class S
Spectral Class Score 5.958
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7360 0.1358 0.2591 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.757 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.993 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
A A 0.3356 0.3356 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT