1999 CW4

1999CW4, 16991, 1993 SQ9, 1993SQ9, 1999 BL15, 1999BL15, J93S09Q, J99B15L, J99C04W

All data for this body: [vot]

MPC data
Name (number) 1999 CW4 (16991)
a 2.42174
e 0.15504
i / sin(i) 0.6755 / 0.01179
q 2.04628
Q 2.79721
ω 329.3562
Node 202.5417
m 340.1005
n 0.2615
Epoch 2460800.5
nobs 2321
nopp 23
Years observed 1993-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.422
ep 0.191
sin(ip) 0.025
G 0.150
H 14.930
Mass
D 2.82 0.143
pV 0.322 0.0871
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 0.804
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4218 0.1914 0.0247 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.82 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.322 0.0871 0.0871 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
14.93 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
S 0.134 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT