Krok

03102, 1981 QA, 1981QA, J81Q00A

All data for this body: [vot]

MPC data
Name (number) Krok (3102)
a 2.15134
e 0.44923
i / sin(i) 8.4425 / 0.14682
q 1.18490
Q 3.11778
ω 154.7535
Node 172.0498
m 304.2800
n 0.3124
Epoch 2460800.5
nobs 2618
nopp 24
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 16.160
Mass
D 1.80 0.640
pV 0.241 0.1630
Value
Rotational Period 149.000
Period quality 3
Spectral Class Sqw
Spectral Class Score 63.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.80 0.640 0.640 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.1130 0.2130 Masiero 2021PSJ.....2..162M 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
16.16 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
147.8 3 Synodic Harris 1992Icar...95..115H Lightcurve
149.4 3 Synodic Pravec 2005Icar..173..108P Lightcurve
149.4 3 Synodic Pravec 2005Icar..173..108P Lightcurve
151.8 3- Synodic Pravec 2005Icar..173..108P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VISNIR Binzel 2004Icar..170..259B SPEC
S Bus VISNIR de Leon 2010A&A...517A..23D SPEC
S Bus VISNIR Lazzarin 2004Icar..169..373L SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S R 0.760000 0.240000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sqw Binzel 2010Natur.463..331B SPEC
Sqw Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sqw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Sqw Bus-DeMeo VISNIR Thomas 2010Icar..205..419T SPEC