1999 CJ9

1999CJ9, 2000 KT21, 2000KT21, 74442, J99C09J, K00K21T

All data for this body: [vot]

MPC data
Name (number) 1999 CJ9 (74442)
a 3.14550
e 0.17117
i / sin(i) 1.6101 / 0.02810
q 2.60708
Q 3.68391
ω 84.3700
Node 55.6305
m 253.0459
n 0.1767
Epoch 2460800.5
nobs 1254
nopp 20
Years observed 1997-2024
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.157
ep 0.185
sin(ip) 0.019
G 0.150
H 14.690
Mass
D 6.14 0.207
pV 0.068 0.0084
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 1.600
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1571 0.1851 0.0193 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.14 0.207 0.207 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0084 0.0084 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
14.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.2666 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
V B 0.0155 0.2640 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT