1991 FV2

1991FV2, 08509, 1959 LG, 1959LG, 1978 VQ1, 1978VQ1, 1987 AU, 1987AU, J59L00G, J78V01Q, J87A00U, J91F02V

All data for this body: [vot]

MPC data
Name (number) 1991 FV2 (8509)
a 2.33801
e 0.18091
i / sin(i) 4.8944 / 0.08532
q 1.91504
Q 2.76098
ω 240.5381
Node 20.0101
m 143.5898
n 0.2757
Epoch 2460800.5
nobs 5254
nopp 26
Years observed 1955-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.338
ep 0.182
sin(ip) 0.084
G 0.150
H 14.400
Mass
D 2.68 0.280
pV 0.617 0.1300
Value
Rotational Period 9.000
Period quality 2
Spectral Class C
Spectral Class Score 6.254
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3379 0.1818 0.0836 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.68 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.617 0.1300 0.1300 Masiero 2012ApJ...759L...8M 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
14.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.01 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
9.01274 2 Sidereal Durech 2020A&A...643A..59D Model
9.014 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.709 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2546 0.2546 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT