Janacek

02073, 1972 TQ1, 1972TQ1, 1972 TU6, 1972TU6, 1974 DK, 1974DK, J72T01Q, J72T06U, J74D00K

All data for this body: [vot]

MPC data
Name (number) Janacek (2073)
a 2.71722
e 0.10998
i / sin(i) 2.9587 / 0.05162
q 2.41839
Q 3.01606
ω 1.7136
Node 84.9257
m 213.2735
n 0.2200
Epoch 2460800.5
nobs 6064
nopp 35
Years observed 1972-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.717
ep 0.111
sin(ip) 0.032
G 0.150
H 13.030
Mass
D 9.75 0.246
pV 0.154 0.0118
Value
Rotational Period 3.500
Period quality 2
Spectral Class X
Spectral Class Score 7.082
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7166 0.1113 0.0315 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.75 0.246 0.246 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.154 0.0118 0.0118 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
13.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.555 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.555 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.56 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S M 0.490000 0.490000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X 0.347 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT