Okasaki

12439, 1985 HJ, 1985HJ, 1996 CA3, 1996CA3, J85H00J, J96C03A

All data for this body: [vot]

MPC data
Name (number) Okasaki (12439)
a 3.13930
e 0.13426
i / sin(i) 2.1872 / 0.03816
q 2.71781
Q 3.56079
ω 135.8305
Node 80.8105
m 46.3003
n 0.1772
Epoch 2460800.5
nobs 4020
nopp 27
Years observed 1985-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.144
ep 0.159
sin(ip) 0.019
G 0.150
H 12.860
Mass
D 16.39 1.180
pV 0.054 0.0220
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.388
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.1200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1444 0.1593 0.0187 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.33 1.260 1.260 Usui 2011PASJ...63.1117U NEATM
16.78 3.360 3.360 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A 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
12.86 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
C 0.898 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Ds Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT