1999 XQ31

1999XQ31, 47330, J99X31Q

All data for this body: [vot]

MPC data
Name (number) 1999 XQ31 (47330)
a 2.76349
e 0.10775
i / sin(i) 9.8071 / 0.17033
q 2.46571
Q 3.06126
ω 154.7831
Node 124.4337
m 23.8020
n 0.2145
Epoch 2460800.5
nobs 2407
nopp 22
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.763
ep 0.114
sin(ip) 0.153
G 0.150
H 14.220
Mass
D 4.55 0.057
pV 0.235 0.0372
Value
Rotational Period 178.060
Period quality 2
Spectral Class S
Spectral Class Score 10.253
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7634 0.1136 0.1531 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.55 0.057 0.057 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.235 0.0372 0.0372 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
178.065 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 0.724 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9849 0.9849 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT