Yerkes

00990, 1913 UA, 1913UA, 1922 WE, 1922WE, 1961 VB1, 1961VB1, J13U00A, J22W00E, J61V01B

All data for this body: [vot]

MPC data
Name (number) Yerkes (990)
a 2.66838
e 0.21738
i / sin(i) 8.7838 / 0.15271
q 2.08832
Q 3.24844
ω 9.3027
Node 353.9342
m 220.7973
n 0.2261
Epoch 2460800.5
nobs 7768
nopp 43
Years observed 1913-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.669
ep 0.193
sin(ip) 0.151
G 0.150
H 11.940
Mass
D 21.90 0.077
pV 0.074 0.0047
Value
Rotational Period 24.500
Period quality 3
Spectral Class X
Spectral Class Score 4.386
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6691 0.1927 0.1513 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.98 5.610 5.610 Masiero 2021PSJ.....2..162M NEATM
16.86 4.030 4.030 Masiero 2020PSJ.....1....5M NEATM
18.46 1.200 1.200 Tedesco 2002AJ....123.1056T STM
19.29 1.484 1.484 Ryan&Woodward 2010AJ....140..933R IRAS-STM
19.39 3.950 3.950 Nugent 2016AJ....152...63N NEATM
19.49 1.467 1.467 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
21.43 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
21.99 1.400 1.400 Usui 2011PASJ...63.1117U NEATM
22.43 0.132 0.132 Masiero 2011ApJ...741...68M NEATM
22.51 4.500 4.500 Ali-Lagoa 2018A&A...612A..85A NEATM
24.69 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0073 0.0073 Masiero 2011ApJ...741...68M NEATM
0.061 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.072 0.0320 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.077 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.078 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A NEATM
0.090 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.120 0.0192 0.0192 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.122 0.0176 0.0176 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.130 0.0180 0.0180 Tedesco 2002AJ....123.1056T STM
0.140 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
11.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
24.45 3- Synodic Ruthroff 2010MPBu...37...74R Lightcurve
24.521 2 Sidereal Durech 2023A&A...675A..24D Model
24.56 3 Synodic Martinez 2010MPBu...37...42M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.731 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT