Yanzhong

19443, 1989 WD7, 1989WD7, 1998 FE109, 1998FE109, J89W07D, J98FA9E

All data for this body: [vot]

MPC data
Name (number) Yanzhong (19443)
a 2.33224
e 0.14171
i / sin(i) 5.1449 / 0.08968
q 2.00174
Q 2.66275
ω 173.3719
Node 233.9631
m 187.1372
n 0.2767
Epoch 2460200.5
nobs 2442
nopp 18
Years observed 1989-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.332
ep 0.132
sin(ip) 0.101
Value Standard error
G 0.150
H 15.090
Mass
D 2.54 0.475
pV 0.396 0.2702
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3318 0.1320 0.1014 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.54 0.475 0.475 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.396 0.2702 0.2702 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
15.09 MPC-2023-12-04 MPC-2023-12-04 Phot