1999 VY9

1999VY9, 2001 AD18, 2001AD18, 91896, J99V09Y, K01A18D

All data for this body: [vot]

MPC data
Name (number) 1999 VY9 (91896)
a 2.94439
e 0.17533
i / sin(i) 9.8209 / 0.17057
q 2.42813
Q 3.46064
ω 110.0965
Node 333.7412
m 345.5700
n 0.1951
Epoch 2460800.5
nobs 2222
nopp 19
Years observed 1999-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.947
ep 0.165
sin(ip) 0.185
G 0.150
H 14.040
Mass
D 4.76 0.312
pV 0.283 0.0364
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.271
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9466 0.1652 0.1855 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.76 0.312 0.312 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.283 0.0364 0.0364 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
14.04 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 0.807 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7381 0.7381 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT