Clarke

04923, 1972 NJ, 1972NJ, 1981 EO27, 1981EO27, J72N00J, J81E27O

All data for this body: [vot]

MPC data
Name (number) Clarke (4923)
a 2.14457
e 0.20240
i / sin(i) 6.6748 / 0.11623
q 1.71050
Q 2.57863
ω 108.6234
Node 188.4513
m 283.3562
n 0.3138
Epoch 2460800.5
nobs 4269
nopp 24
Years observed 1972-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.148
ep 0.079
sin(ip) 0.125
G 0.150
H 14.470
Mass
D 3.44 0.022
pV 0.346 0.0474
Value
Rotational Period 3.140
Period quality 2
Spectral Class S
Spectral Class Score 15.800
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1483 0.0788 0.1247 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.37 0.030 0.030 Masiero 2014ApJ...791..121M NEATM
3.53 0.033 0.033 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.326 0.0644 0.0644 Masiero 2011ApJ...741...68M NEATM
0.370 0.0700 0.0700 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
14.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
27.253 1 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.143 2 Synodic Aznar 2017MPBu...44...60A Lightcurve
3.1787 2- Synodic Pravec LCDB 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 VIS Bus 2002Icar..158..146B SPEC
S 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT