1999 YZ21

1999YZ21, 1998 QX65, 1998QX65, 41341, J98Q65X, J99Y21Z

All data for this body: [vot]

MPC data
Name (number) 1999 YZ21 (41341)
a 3.19021
e 0.10713
i / sin(i) 11.8700 / 0.20569
q 2.84844
Q 3.53197
ω 120.0067
Node 230.0062
m 232.6222
n 0.1730
Epoch 2460800.5
nobs 2961
nopp 24
Years observed 1993-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.196
ep 0.074
sin(ip) 0.221
G 0.150
H 13.490
Mass
D 9.83 0.101
pV 0.105 0.0096
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1957 0.0740 0.2208 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.83 0.101 0.101 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.105 0.0096 0.0096 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
13.49 MPC-2023-12-04 MPC-2023-12-04 Phot