Okamura

04505, 1943 ET, 1943ET, 1973 YC4, 1973YC4, 1976 NO, 1976NO, 1978 YG, 1978YG, 1982 SS, 1982SS, 1990 DV1, 1990DV1, J43E00T, J73Y04C, J76N00O, J78Y00G, J82S00S, J90D01V

All data for this body: [vot]

MPC data
Name (number) Okamura (4505)
a 3.00990
e 0.05285
i / sin(i) 11.8360 / 0.20511
q 2.85084
Q 3.16895
ω 16.5929
Node 119.0396
m 285.4255
n 0.1887
Epoch 2460800.5
nobs 4592
nopp 33
Years observed 1943-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.011
ep 0.079
sin(ip) 0.187
G 0.150
H 11.450
Mass
D 19.92 0.060
pV 0.198 0.0122
Value
Rotational Period 6.668
Period quality 3
Spectral Class S
Spectral Class Score 5.142
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0109 0.0794 0.1872 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.59 3.120 3.120 Ali-Lagoa 2018A&A...612A..85A NEATM
16.26 1.200 1.200 Usui 2011PASJ...63.1117U NEATM
16.59 0.600 0.600 Masiero 2012ApJ...759L...8M NEATM
18.76 0.140 0.140 Masiero 2014ApJ...791..121M NEATM
19.35 1.600 1.600 Tedesco 2002AJ....123.1056T STM
20.25 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.157 0.0389 0.0389 Masiero 2011ApJ...741...68M NEATM
0.171 0.0330 0.0330 Tedesco 2002AJ....123.1056T STM
0.190 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.213 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.221 0.0880 0.0880 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
11.45 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.6687 3 Synodic Behrend LCDB Lightcurve
6.669 2 Sidereal Durech 2023A&A...675A..24D Model
6.66902 2 Sidereal Durech 2020A&A...643A..59D Model
6.66905 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.857 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT