Dufek

03781, 1936 FZ, 1936FZ, 1948 TK1, 1948TK1, 1972 TS1, 1972TS1, 1981 OA, 1981OA, 1982 VE1, 1982VE1, 1984 CO, 1984CO, 1986 RG1, 1986RG1, J36F00Z, J48T01K, J72T01S, J81O00A, J82V01E, J84C00O, J86R01G

All data for this body: [vot]

MPC data
Name (number) Dufek (3781)
a 2.84371
e 0.07205
i / sin(i) 2.0469 / 0.03572
q 2.63883
Q 3.04860
ω 157.8898
Node 183.5336
m 21.5467
n 0.2055
Epoch 2460800.5
nobs 4995
nopp 34
Years observed 1936-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.844
ep 0.043
sin(ip) 0.040
G 0.150
H 12.530
Mass
D 8.31 0.053
pV 0.201 0.0233
Value
Rotational Period 1465.000
Period quality 3-
Spectral Class S
Spectral Class Score 2.172
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.5000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8444 0.0431 0.0402 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.64 3.050 3.050 Nugent 2016AJ....152...63N NEATM
11.61 0.490 0.490 Masiero 2012ApJ...759L...8M NEATM
8.27 0.053 0.053 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.158 0.0270 0.0270 Masiero 2012ApJ...759L...8M NEATM
0.375 0.0519 0.0519 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
1465.0 3- Synodic Stephens 2021MPBu...48..150S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.362 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT