Clara

00642, 1907 RJ, 1907RJ, 1949 BS, 1949BS, J07R00J, J49B00S

All data for this body: [vot]

MPC data
Name (number) Clara (642)
a 3.18686
e 0.12871
i / sin(i) 8.1661 / 0.14204
q 2.77667
Q 3.59706
ω 121.0815
Node 5.2511
m 138.2727
n 0.1732
Epoch 2460800.5
nobs 9736
nopp 51
Years observed 1907-2025
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.182
ep 0.148
sin(ip) 0.145
G 0.150
H 10.100
Mass
D 36.17 0.576
pV 0.161 0.0100
Value
Rotational Period 8.230
Period quality 3
Spectral Class L
Spectral Class Score 21.210
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1823 0.1478 0.1450 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
28.42 1.431 1.431 Ryan&Woodward 2010AJ....140..933R IRAS-STM
33.36 1.500 1.500 Tedesco 2002AJ....123.1056T STM
38.17 7.630 7.630 Ali-Lagoa 2018A&A...612A..85A NEATM
38.20 5.320 5.320 Masiero 2012ApJ...759L...8M NEATM
38.56 0.730 0.730 Usui 2011PASJ...63.1117U NEATM
39.04 3.900 3.900 Ali-Lagoa 2018A&A...612A..85A NEATM
39.37 3.485 3.485 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.110 0.2170 0.2170 Masiero 2012ApJ...759L...8M NEATM
0.124 0.0234 0.0234 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.129 0.0260 0.0260 Ali-Lagoa 2018A&A...612A..85A NEATM
0.135 0.0540 0.0540 Ali-Lagoa 2018A&A...612A..85A NEATM
0.162 0.0150 0.0150 Tedesco 2002AJ....123.1056T STM
0.226 0.0230 0.0230 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
10.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.19 2 Synodic LeCrone 2005MPBu...32...62L Lightcurve
8.2308 3 Synodic Behrend LCDB Lightcurve
8.2309 2 Sidereal Durech 2020A&A...643A..59D Model
8.2309 2 Sidereal Durech 2023A&A...675A..24D Model
8.23223 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Bk Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K 0.555 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L Bus VIS Bus 2002Icar..158..146B SPEC
L Bus VISNIR Devogele 2018Icar..304...31D SPEC
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.9016 0.9010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
M 0.850000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S K Tholen VIS Clark 1995Icar..113..387C PHOT