1989 VK

1989VK, 1938 UX, 1938UX, 1955 UM1, 1955UM1, 1972 VH, 1972VH, 48436, J38U00X, J55U01M, J72V00H, J89V00K

All data for this body: [vot]

MPC data
Name (number) 1989 VK (48436)
a 2.61882
e 0.31347
i / sin(i) 3.1068 / 0.05420
q 1.79790
Q 3.43974
ω 132.1254
Node 266.5429
m 134.2681
n 0.2326
Epoch 2460800.5
nobs 2091
nopp 21
Years observed 1955-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.621
ep 0.269
sin(ip) 0.077
G 0.150
H 14.910
Mass
D 2.61 0.299
pV 0.308 0.0792
Value
Rotational Period 5.400
Period quality 2
Spectral Class S
Spectral Class Score 8.777
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6209 0.2689 0.0773 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.44 0.430 0.430 Masiero 2012ApJ...759L...8M NEATM
2.77 0.415 0.415 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.277 0.0926 0.0926 Masiero 2011ApJ...741...68M NEATM
0.393 0.1530 0.1530 Masiero 2012ApJ...759L...8M 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
14.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.45 2 Synodic Galad 2008MPBu...35...17G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9629 0.9629 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT