Yokonomura

06557, 1973 UP4, 1973UP4, 1979 YT9, 1979YT9, 1990 VR3, 1990VR3, 1992 DD2, 1992DD2, J73U04P, J79Y09T, J90V03R, J92D02D

All data for this body: [vot]

MPC data
Name (number) Yokonomura (6557)
a 3.15673
e 0.19178
i / sin(i) 7.8055 / 0.13581
q 2.55133
Q 3.76214
ω 11.3168
Node 42.9674
m 47.7631
n 0.1757
Epoch 2460800.5
nobs 3577
nopp 28
Years observed 1973-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.168
ep 0.164
sin(ip) 0.121
G 0.150
H 12.530
Mass
D 16.81 0.307
pV 0.077 0.0067
Value
Rotational Period 2.957
Period quality 2
Spectral Class X
Spectral Class Score 3.126
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1682 0.1639 0.1213 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.96 0.406 0.406 Masiero 2011ApJ...741...68M NEATM
17.06 0.508 0.508 Masiero 2011ApJ...741...68M NEATM
22.94 1.260 1.260 Usui 2011PASJ...63.1117U NEATM
23.69 4.740 4.740 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.088 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM
0.100 0.0197 0.0197 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
12.53 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.95676 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.521 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT