Kapteynia

00818, 1916 DF, 1916DF, 1929 JC, 1929JC, J16D00F, J29J00C

All data for this body: [vot]

MPC data
Name (number) Kapteynia (818)
a 3.17319
e 0.08959
i / sin(i) 15.6307 / 0.26944
q 2.88891
Q 3.45746
ω 291.8245
Node 70.6646
m 238.3142
n 0.1744
Epoch 2460800.5
nobs 4898
nopp 50
Years observed 1916-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.174
ep 0.062
sin(ip) 0.253
G 0.150
H 9.240
Mass
D 52.91 0.667
pV 0.143 0.0077
Value
Rotational Period 16.300
Period quality 2
Spectral Class L
Spectral Class Score 4.608
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1741 0.0620 0.2531 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
48.71 4.870 4.870 Ali-Lagoa 2018A&A...612A..85A NEATM
48.93 1.603 1.603 Ryan&Woodward 2010AJ....140..933R IRAS-STM
49.45 3.900 3.900 Tedesco 2002AJ....123.1056T STM
50.74 0.890 0.890 Usui 2011PASJ...63.1117U NEATM
50.99 5.100 5.100 Ali-Lagoa 2018A&A...612A..85A NEATM
60.86 3.160 3.160 Masiero 2012ApJ...759L...8M NEATM
64.25 1.720 1.720 Masiero 2012ApJ...759L...8M NEATM
67.49 10.081 10.081 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0240 0.0240 Masiero 2012ApJ...759L...8M NEATM
0.095 0.0282 0.0282 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.100 0.0200 0.0200 Masiero 2012ApJ...759L...8M NEATM
0.146 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.160 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A NEATM
0.166 0.0290 0.0290 Tedesco 2002AJ....123.1056T STM
0.169 0.0112 0.0112 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.24 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.95 2 Synodic Behrend LCDB Lightcurve
15.98 1 Synodic Behrend LCDB Lightcurve
16.35 2 Synodic Stephens 2002MPBu...29...72S Lightcurve
17.4603 2 Sidereal Durech 2023A&A...675A..24D Model
17.461 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.768 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT