van Eyck

vanEyck, 09561, 1987 QT1, 1987QT1, 1990 EE8, 1990EE8, 1990 EY4, 1990EY4, J87Q01T, J90E04Y, J90E08E

All data for this body: [vot]

MPC data
Name (number) van Eyck (9561)
a 2.30612
e 0.22500
i / sin(i) 5.4752 / 0.09541
q 1.78725
Q 2.82499
ω 299.2527
Node 330.5460
m 300.6495
n 0.2814
Epoch 2460800.5
nobs 4067
nopp 25
Years observed 1955-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.307
ep 0.214
sin(ip) 0.107
G 0.150
H 14.120
Mass
D 4.04 0.248
pV 0.335 0.0676
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.466
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3067 0.2137 0.1074 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.11 0.660 0.660 Nugent 2016AJ....152...63N NEATM
4.20 0.268 0.268 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.332 0.0730 0.0730 Masiero 2011ApJ...741...68M NEATM
0.350 0.1800 0.1800 Nugent 2016AJ....152...63N 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
14.12 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 0.911 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT