Kopff

01631, 1926 TH, 1926TH, 1935 FG, 1935FG, 1936 UC, 1936UC, 1946 SA, 1946SA, 1952 HV2, 1952HV2, J26T00H, J35F00G, J36U00C, J46S00A, J52H02V

All data for this body: [vot]

MPC data
Name (number) Kopff (1631)
a 2.23463
e 0.21406
i / sin(i) 7.4896 / 0.13035
q 1.75629
Q 2.71297
ω 315.0357
Node 16.7571
m 213.0727
n 0.2950
Epoch 2460800.5
nobs 7325
nopp 36
Years observed 1926-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.236
ep 0.152
sin(ip) 0.125
G 0.150
H 12.230
Mass
D 9.61 0.129
pV 0.065 0.0026
Value
Rotational Period 6.680
Period quality 3
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2355 0.1518 0.1251 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.46 1.050 1.050 Ali-Lagoa 2018A&A...612A..85A NEATM
19.82 0.425 0.425 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
7.47 0.206 0.206 Ryan&Woodward 2010AJ....140..933R MSX-STM
8.64 0.390 0.390 Masiero 2012ApJ...759L...8M NEATM
9.58 0.210 0.210 Usui 2011PASJ...63.1117U NEATM
9.66 1.200 1.200 Tedesco 2002AJ....123.1056T STM
9.87 1.970 1.970 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0026 0.0026 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.247 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A NEATM
0.250 0.0740 0.0740 Tedesco 2002AJ....123.1056T STM
0.277 0.1110 0.1110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.342 0.0610 0.0610 Masiero 2012ApJ...759L...8M NEATM
0.417 0.0231 0.0231 Ryan&Woodward 2010AJ....140..933R MSX-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
12.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.68106 2 Sidereal Durech 2020A&A...643A..59D Model
6.683 3 Synodic Sada 2004MPBu...31...49S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT