1988 VK

1988VK, 09939, 1991 PH1, 1991PH1, J88V00K, J91P01H

All data for this body: [vot]

MPC data
Name (number) 1988 VK (9939)
a 2.19477
e 0.15546
i / sin(i) 5.7845 / 0.10079
q 1.85357
Q 2.53597
ω 268.4070
Node 110.1744
m 96.9076
n 0.3031
Epoch 2460800.5
nobs 3494
nopp 22
Years observed 1988-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.195
ep 0.118
sin(ip) 0.092
G 0.150
H 14.440
Mass
D 3.90 0.128
pV 0.240 0.0348
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1950 0.1180 0.0925 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.50 0.800 0.800 Nugent 2016AJ....152...63N NEATM
3.91 0.130 0.130 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.230 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.241 0.0364 0.0364 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
14.44 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
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT