Duerbeck

09327, 1989 SW2, 1989SW2, 1992 FA, 1992FA, J89S02W, J92F00A

All data for this body: [vot]

MPC data
Name (number) Duerbeck (9327)
a 2.87743
e 0.14680
i / sin(i) 5.7533 / 0.10025
q 2.45504
Q 3.29982
ω 133.4061
Node 83.1676
m 267.5930
n 0.2019
Epoch 2460800.5
nobs 4465
nopp 27
Years observed 1989-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.873
ep 0.186
sin(ip) 0.081
G 0.150
H 13.160
Mass
D 13.74 0.167
pV 0.065 0.0070
Value
Rotational Period 20.223
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8732 0.1861 0.0811 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.51 0.590 0.590 Usui 2011PASJ...63.1117U NEATM
13.76 0.175 0.175 Masiero 2011ApJ...741...68M NEATM
13.93 2.790 2.790 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0073 0.0073 Masiero 2011ApJ...741...68M NEATM
0.065 0.0260 0.0260 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
13.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.2095 2 Sidereal Durech 2019A&A...631A...2D Model
20.2097 2 Sidereal Durech 2023A&A...675A..24D Model
20.2233 2 Synodic Pal 2020ApJS..247...26P Lightcurve