Kathryn

02612, 1969 BD, 1969BD, 1971 QC, 1971QC, 1979 DE, 1979DE, J69B00D, J71Q00C, J79D00E

All data for this body: [vot]

MPC data
Name (number) Kathryn (2612)
a 2.89484
e 0.16492
i / sin(i) 20.2237 / 0.34569
q 2.41742
Q 3.37226
ω 1.2711
Node 132.6052
m 153.3378
n 0.2001
Epoch 2460800.5
nobs 4851
nopp 29
Years observed 1971-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.896
ep 0.226
sin(ip) 0.317
G 0.150
H 11.100
Mass
D 25.27 0.156
pV 0.107 0.0091
Value
Rotational Period 7.700
Period quality 3
Spectral Class T
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8959 0.2260 0.3168 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
25.14 0.260 0.260 Masiero 2014ApJ...791..121M NEATM
25.16 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
25.26 5.050 5.050 Ali-Lagoa 2018A&A...612A..85A NEATM
26.92 1.420 1.420 Usui 2011PASJ...63.1117U NEATM
29.44 5.890 5.890 Ali-Lagoa 2018A&A...612A..85A NEATM
29.81 1.090 1.090 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.082 0.0330 0.0330 Ali-Lagoa 2018A&A...612A..85A NEATM
0.087 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.111 0.0440 0.0440 Ali-Lagoa 2018A&A...612A..85A NEATM
0.120 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.122 0.0152 0.0152 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
11.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.7 2 Synodic Pray 2005MPBu...32...48P Lightcurve
7.71 3 Synodic Stephens 2004MPBu...31...95S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
T Bus VIS Lazzaro 2004Icar..172..179L SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X X 0.6454 0.6454 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Z A 0.750000 0.220000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC