1990 CD

1990CD, 12264, 1995 UM44, 1995UM44, J90C00D, J95U44M

All data for this body: [vot]

MPC data
Name (number) 1990 CD (12264)
a 2.28234
e 0.10787
i / sin(i) 5.5693 / 0.09705
q 2.03613
Q 2.52854
ω 320.7509
Node 286.9689
m 337.2723
n 0.2858
Epoch 2460800.5
nobs 4062
nopp 22
Years observed 1990-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.282
ep 0.116
sin(ip) 0.107
G 0.150
H 13.930
Mass
D 4.03 0.184
pV 0.328 0.0564
Value
Rotational Period 4.140
Period quality 2
Spectral Class S
Spectral Class Score 32.955
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2822 0.1157 0.1069 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.03 0.184 0.184 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.328 0.0564 0.0564 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
13.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.147 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.16 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
A S 0.1195 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A S 0.6076 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.5317 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6535 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6948 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8751 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9908 0.7060 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sw Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC