Yifanli

1999 VQ109, 1999VQ109, 2001 FF26, 2001FF26, 25962, J99VA9Q, K01F26F

All data for this body: [vot]

MPC data
Name (number) Yifanli (25962)
a 2.53956
e 0.14006
i / sin(i) 3.1632 / 0.05518
q 2.18388
Q 2.89524
ω 336.2148
Node 241.2019
m 320.7441
n 0.2435
Epoch 2460800.5
nobs 2262
nopp 23
Years observed 1993-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.543
ep 0.181
sin(ip) 0.068
G 0.150
H 15.100
Mass
D 2.56 0.603
pV 0.269 0.0970
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.242
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5427 0.1808 0.0680 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.56 0.603 0.603 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.269 0.0970 0.0970 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
15.10 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 0.707 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT