Ristiina

02690, 1935 QT, 1935QT, 1938 DG1, 1938DG1, 1975 EM, 1975EM, 1977 PW, 1977PW, 1980 DK2, 1980DK2, 1980 EW, 1980EW, J35Q00T, J38D01G, J75E00M, J77P00W, J80D02K, J80E00W

All data for this body: [vot]

MPC data
Name (number) Ristiina (2690)
a 3.03645
e 0.11141
i / sin(i) 11.4496 / 0.19851
q 2.69814
Q 3.37475
ω 263.6352
Node 135.8667
m 294.3069
n 0.1863
Epoch 2460800.5
nobs 10478
nopp 31
Years observed 1938-2025
rms 0.46
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.035
ep 0.078
sin(ip) 0.183
G 0.150
H 11.580
Mass
D 18.30 0.303
pV 0.165 0.0194
Value
Rotational Period 5.319
Period quality 2
Spectral Class X
Spectral Class Score 3.732
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0348 0.0779 0.1830 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.21 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM
20.12 1.400 1.400 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.0240 0.0240 Tedesco 2002AJ....123.1056T STM
0.176 0.0330 0.0330 Masiero 2012ApJ...759L...8M 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
11.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.3197 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 0.622 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT