1999CW4

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

All data for this body: [vot]

MPC data
Name (number) 1999CW4 (16991)
Packed designation 16991
a 2.42099
e 0.15726
i / sin(i) 0.6739 / 0.01176
q 2.04026
Q 2.80172
ω 329.3583
Node 202.5513
m 26.2839
n 0.2616
Epoch 2459600.5
nobs 1718
nopp 20
Years observed 1993-2021
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.422
ep 0.191
sin(ip) 0.025
Value Standard error
G 0.150
H 14.790
Mass
D 2.82 0.143
pV 0.322 0.0871
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-Jan-2022
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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.79 MPC-2022-01-18 MPC-2022-01-18 Phot