Foerster

06771, 1974 YS, 1974YS, 1986 EZ4, 1986EZ4, J74Y00S, J86E04Z

All data for this body: [vot]

MPC data
Name (number) Foerster (6771)
a 2.32497
e 0.18453
i / sin(i) 0.8402 / 0.01466
q 1.89594
Q 2.75399
ω 129.4500
Node 3.7272
m 42.7497
n 0.2780
Epoch 2460800.5
nobs 2880
nopp 25
Years observed 1954-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.326
ep 0.222
sin(ip) 0.018
G 0.150
H 14.520
Mass
D 3.82 0.950
pV 0.440 0.2650
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.636
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3260 0.2217 0.0183 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.82 0.950 0.950 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.440 0.2650 0.2650 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
14.52 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 0.965 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9743 0.9743 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT