van Baalen

vanBaalen, 1990 WW, 1990WW, 1999 TS222, 1999TS222, 28408, J90W00W, J99TM2S

All data for this body: [vot]

MPC data
Name (number) van Baalen (28408)
a 2.77132
e 0.03624
i / sin(i) 7.9780 / 0.13879
q 2.67089
Q 2.87175
ω 179.8507
Node 122.1979
m 277.0490
n 0.2136
Epoch 2460800.5
nobs 2374
nopp 23
Years observed 1990-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.772
ep 0.038
sin(ip) 0.122
G 0.150
H 14.550
Mass
D 5.25 0.298
pV 0.084 0.0091
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 0.521
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7717 0.0383 0.1222 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.25 0.298 0.298 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0091 0.0091 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
14.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.0868 0.0868 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT