Cochran

04551, 1979 MC, 1979MC, 1979 QC, 1979QC, J79M00C, J79Q00C

All data for this body: [vot]

MPC data
Name (number) Cochran (4551)
a 2.43042
e 0.26457
i / sin(i) 12.1186 / 0.20994
q 1.78742
Q 3.07343
ω 160.8837
Node 148.2409
m 27.9738
n 0.2601
Epoch 2460800.5
nobs 2915
nopp 27
Years observed 1979-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.429
ep 0.233
sin(ip) 0.193
G 0.150
H 14.470
Mass
D 7.38 0.433
pV 0.067 0.0157
Value
Rotational Period 67.060
Period quality 2
Spectral Class C
Spectral Class Score 16.138
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4294 0.2334 0.1925 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.78 1.430 1.430 Masiero 2020PSJ.....1....5M NEATM
6.57 1.770 1.770 Masiero 2020PSJ.....1....5M NEATM
7.61 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
0.065 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.108 0.0670 0.0670 Masiero 2020PSJ.....1....5M 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
14.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
67.062 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.77 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.5185 0.6540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6306 0.6540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9506 0.6540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT