Junsaito

08941, 1989 VP2, 1989VP2, 1991 EA2, 1991EA2, 1992 JY3, 1992JY3, 1997 BL2, 1997BL2, J89V02P, J91E02A, J92J03Y, J97B02L

All data for this body: [vot]

MPC data
Name (number) Junsaito (8941)
a 3.25205
e 0.04797
i / sin(i) 11.1449 / 0.19329
q 3.09605
Q 3.40805
ω 217.4486
Node 142.5433
m 75.9056
n 0.1681
Epoch 2460800.5
nobs 5139
nopp 28
Years observed 1989-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.239
ep 0.052
sin(ip) 0.180
G 0.150
H 12.260
Mass
D 18.46 0.083
pV 0.080 0.0057
Value
Rotational Period 14.010
Period quality 2
Spectral Class D
Spectral Class Score 9.051
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2391 0.0518 0.1797 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.94 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
18.31 0.180 0.180 Masiero 2014ApJ...791..121M NEATM
18.72 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
19.27 0.290 0.290 Masiero 2014ApJ...791..121M NEATM
19.34 1.370 1.370 Usui 2011PASJ...63.1117U NEATM
19.84 3.970 3.970 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.080 0.0086 0.0086 Masiero 2011ApJ...741...68M NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.080 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.087 0.0180 0.0180 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
12.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.916 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
13.9254 2 Sidereal Durech 2020A&A...643A..59D Model
13.9542 2 Synodic Pal 2020ApJS..247...26P Lightcurve
14.014 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.44 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.6623 0.6790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.6996 0.6790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT