Karen

02651, 1949 QD, 1949QD, 1951 EZ, 1951EZ, 1961 BA, 1961BA, 1980 UJ, 1980UJ, J49Q00D, J51E00Z, J61B00A, J80U00J

All data for this body: [vot]

MPC data
Name (number) Karen (2651)
a 2.98795
e 0.32439
i / sin(i) 17.7583 / 0.30500
q 2.01870
Q 3.95721
ω 276.4327
Node 126.2920
m 210.7258
n 0.1908
Epoch 2460800.5
nobs 4693
nopp 33
Years observed 1949-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.984
ep 0.270
sin(ip) 0.318
G 0.150
H 11.850
Mass
D 26.52 0.222
pV 0.045 0.0053
Value
Rotational Period 6.322
Period quality 2
Spectral Class X
Spectral Class Score 11.083
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9840 0.2702 0.3181 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.54 5.467 5.467 Masiero 2017AJ....154..168M NEATM
23.55 0.350 0.350 Masiero 2011ApJ...741...68M NEATM
24.18 7.190 7.190 Masiero 2020PSJ.....1....5M NEATM
28.52 0.290 0.290 Usui 2011PASJ...63.1117U NEATM
28.54 9.456 9.456 Masiero 2017AJ....154..168M NEATM
28.68 2.870 2.870 Ali-Lagoa 2018A&A...612A..85A NEATM
30.23 3.020 3.020 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0228 0.0228 Masiero 2017AJ....154..168M NEATM
0.040 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.044 0.0184 0.0184 Masiero 2017AJ....154..168M NEATM
0.116 0.0239 0.0239 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
11.85 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
122.62 2 Sidereal Durech 2020A&A...643A..59D Model
122.62276 2 Sidereal Martikainen 2021A&A...649A..98M Model
122.64 2 Sidereal Durech 2023A&A...675A..24D Model
6.3227 2 Synodic Bembrick 2007MPBu...34...27B Lightcurve
9.1 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
C 0.61 Bus VIS Carvano 2010A&A...510A..43C PHOT
C P 0.670000 0.310000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C X 0.0837 0.5080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.985 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.5289 0.5080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT