Katja

01113, 1909 DH, 1909DH, 1928 QC, 1928QC, J09D00H, J28Q00C

All data for this body: [vot]

MPC data
Name (number) Katja (1113)
a 3.11691
e 0.13444
i / sin(i) 13.2521 / 0.22924
q 2.69787
Q 3.53596
ω 119.6666
Node 324.3777
m 123.4351
n 0.1791
Epoch 2460800.5
nobs 4805
nopp 50
Years observed 1909-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.112
ep 0.137
sin(ip) 0.244
G 0.150
H 9.250
Mass
D 43.70 0.285
pV 0.121 0.0025
Value
Rotational Period 18.460
Period quality 3
Spectral Class L
Spectral Class Score 5.736
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1118 0.1369 0.2438 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
38.20 0.580 0.580 Usui 2011PASJ...63.1117U NEATM
38.50 2.000 2.000 Tedesco 2002AJ....123.1056T STM
39.01 3.900 3.900 Ali-Lagoa 2018A&A...612A..85A NEATM
39.63 0.630 0.630 Masiero 2014ApJ...791..121M NEATM
40.27 4.030 4.030 Ali-Lagoa 2018A&A...612A..85A NEATM
42.40 1.396 1.396 Ryan&Woodward 2010AJ....140..933R IRAS-STM
44.79 0.630 0.630 Masiero 2012ApJ...759L...8M NEATM
51.45 0.583 0.583 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
51.95 1.531 1.531 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.114 0.0266 0.0266 Masiero 2011ApJ...741...68M NEATM
0.116 0.0026 0.0026 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.168 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM
0.171 0.0146 0.0146 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.200 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.207 0.0230 0.0230 Tedesco 2002AJ....123.1056T STM
0.234 0.0470 0.0470 Ali-Lagoa 2018A&A...612A..85A NEATM
0.249 0.0500 0.0500 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
9.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.0 2 Synodic Behrend LCDB Lightcurve
18.42 2 Sidereal Durech 2020A&A...643A..59D Model
18.42 2 Synodic Behrend LCDB Lightcurve
18.4212 2 Synodic Pal 2020ApJS..247...26P Lightcurve
18.465 3 Synodic Robinson 2002MPBu...29...54R Lightcurve
18.47 2- Synodic Behrend LCDB Lightcurve
18.47 2+ Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.956 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT