1999 VQ172

1999VQ172, J99VH2Q, W9281

All data for this body: [vot]

MPC data
Name (number) 1999 VQ172 (329281)
a 2.84495
e 0.25108
i / sin(i) 14.1738 / 0.24486
q 2.13064
Q 3.55927
ω 283.7441
Node 62.5361
m 163.3247
n 0.2054
Epoch 2460800.5
nobs 943
nopp 16
Years observed 1999-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.848
ep 0.159
sin(ip) 0.239
G 0.150
H 15.690
Mass
D 5.64 0.183
pV 0.036 0.0044
Value
Rotational Period 157.850
Period quality 2
Spectral Class B
Spectral Class Score 0.578
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8484 0.1587 0.2394 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.99 1.070 1.070 Masiero 2020PSJ.....1....5M NEATM
5.64 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
6.86 1.580 1.580 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.024 0.0080 0.0130 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0050 0.0050 Masiero 2011ApJ...741...68M NEATM
0.045 0.0250 0.0250 Masiero 2020PSJ.....1....5M 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
15.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
157.857 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B X 0.0963 0.0800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.0870 0.0800 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT