Ryazanov

04258, 1969 AW, 1969AW, 1972 TA4, 1972TA4, 1980 DJ5, 1980DJ5, 1980 FD10, 1980FD10, 1982 TF3, 1982TF3, 1987 RZ2, 1987RZ2, 1988 XZ3, 1988XZ3, J69A00W, J72T04A, J80D05J, J80F10D, J82T03F, J87R02Z, J88X03Z

All data for this body: [vot]

MPC data
Name (number) Ryazanov (4258)
a 2.95807
e 0.07224
i / sin(i) 3.9519 / 0.06892
q 2.74437
Q 3.17176
ω 276.6063
Node 62.1463
m 149.4282
n 0.1937
Epoch 2460800.5
nobs 4654
nopp 31
Years observed 1969-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.960
ep 0.044
sin(ip) 0.053
G 0.150
H 12.250
Mass
D 9.22 0.188
pV 0.329 0.0357
Value
Rotational Period 132.000
Period quality 2
Spectral Class S
Spectral Class Score 4.967
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9600 0.0445 0.0532 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.22 0.188 0.188 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.329 0.0357 0.0357 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
12.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
132.9 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
L 0.62 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.255 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5728 0.5728 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT