1991 VA3

1991VA3, 16559, 1998 KT61, 1998KT61, J91V03A, J98K61T

All data for this body: [vot]

MPC data
Name (number) 1991 VA3 (16559)
a 2.60181
e 0.21361
i / sin(i) 11.4629 / 0.19873
q 2.04604
Q 3.15757
ω 115.0104
Node 254.1966
m 25.5709
n 0.2349
Epoch 2460800.5
nobs 4747
nopp 26
Years observed 1953-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.601
ep 0.169
sin(ip) 0.222
G 0.150
H 12.960
Mass
D 6.46 0.171
pV 0.293 0.0161
Value
Rotational Period 437.300
Period quality 2+
Spectral Class S
Spectral Class Score 10.854
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6013 0.1693 0.2219 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.46 0.171 0.171 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.0161 0.0161 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
12.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
435.193 2 Synodic Pal 2020ApJS..247...26P Lightcurve
437.37 2+ Synodic Ferrero 2021MPBu...48..115F Lightcurve
452.3 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.97 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9857 0.9857 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT