Werdandi

00621, 1906 VM, 1906VM, 1952 BO, 1952BO, J06V00M, J52B00O

All data for this body: [vot]

MPC data
Name (number) Werdandi (621)
a 3.12655
e 0.13661
i / sin(i) 2.2975 / 0.04009
q 2.69942
Q 3.55368
ω 37.0149
Node 66.6457
m 144.8379
n 0.1783
Epoch 2460800.5
nobs 6770
nopp 49
Years observed 1906-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.119
ep 0.151
sin(ip) 0.025
G 0.150
H 11.140
Mass
D 30.16 0.331
pV 0.111 0.0071
Value
Rotational Period 11.770
Period quality 3
Spectral Class B
Spectral Class Score 49.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.3900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1193 0.1506 0.0255 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.15 1.500 1.500 Tedesco 2002AJ....123.1056T STM
28.68 2.870 2.870 Ali-Lagoa 2018A&A...612A..85A NEATM
28.87 3.102 3.102 Ryan&Woodward 2010AJ....140..933R IRAS-STM
29.73 0.490 0.490 Masiero 2012ApJ...759L...8M NEATM
30.71 0.500 0.500 Usui 2011PASJ...63.1117U NEATM
32.37 6.470 6.470 Ali-Lagoa 2018A&A...612A..85A NEATM
34.49 1.926 1.926 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0300 0.0300 Ali-Lagoa 2018A&A...612A..85A NEATM
0.094 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.095 0.0108 0.0108 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.127 0.0190 0.0190 Masiero 2012ApJ...759L...8M NEATM
0.142 0.0269 0.0269 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.153 0.0180 0.0180 Tedesco 2002AJ....123.1056T 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
11.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.0 1 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve
11.773 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
11.77456 2 Sidereal Hanus 2013A&A...559A.134H Model
11.776 3 Synodic Strabla 2012MPBu...39..154S Lightcurve
14.82 2 Synodic Sauppe 2007MPBu...34..119S Lightcurve
9.396 2 Synodic Almeida 2004A&A...415..403A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus-DeMeo NIR Marsset 2016A&A...586A..15M SPEC
B Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
B Bus VIS Lazzaro 2004Icar..172..179L SPEC
B Tholen VIS Lazzaro 2004Icar..172..179L SPEC
C 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K 0.557 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC