Yanzhong

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

All data for this body: [vot]

MPC data
Name (number) Yanzhong (19443)
a 2.33161
e 0.14186
i / sin(i) 5.1452 / 0.08968
q 2.00084
Q 2.66239
ω 173.5208
Node 233.9621
m 353.0637
n 0.2768
Epoch 2460800.5
nobs 2781
nopp 19
Years observed 1989-2024
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.332
ep 0.132
sin(ip) 0.101
G 0.150
H 15.060
Mass
D 2.54 0.475
pV 0.396 0.2702
Value
Rotational Period 3.020
Period quality 2
Spectral Class B
Spectral Class Score 1.512
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-Nov-2024
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
15.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.022 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.02242 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.252 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT