1990 WN4

1990WN4, 14399, 1999 XW175, 1999XW175, J90W04N, J99XH5W

All data for this body: [vot]

MPC data
Name (number) 1990 WN4 (14399)
a 2.64338
e 0.10001
i / sin(i) 16.3881 / 0.28214
q 2.37902
Q 2.90774
ω 320.8260
Node 82.0461
m 23.5931
n 0.2293
Epoch 2460800.5
nobs 3514
nopp 21
Years observed 1990-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.643
ep 0.087
sin(ip) 0.264
G 0.150
H 14.110
Mass
D 3.86 0.789
pV 0.358 0.0704
Value
Rotational Period 559.510
Period quality 2
Spectral Class S
Spectral Class Score 16.745
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6431 0.0873 0.2643 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.86 0.789 0.789 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.358 0.0704 0.0704 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
14.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
559.515 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
S 0.878 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9291 0.7280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9838 0.7280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT