1988 VF2

1988VF2, 12691, 1981 UP18, 1981UP18, 1995 WC18, 1995WC18, J81U18P, J88V02F, J95W18C

All data for this body: [vot]

MPC data
Name (number) 1988 VF2 (12691)
a 2.31853
e 0.16301
i / sin(i) 7.4894 / 0.13034
q 1.94059
Q 2.69648
ω 303.8025
Node 33.5498
m 174.3294
n 0.2792
Epoch 2460800.5
nobs 3373
nopp 23
Years observed 1981-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.319
ep 0.114
sin(ip) 0.121
G 0.150
H 14.370
Mass
D 7.43 0.068
pV 0.074 0.0064
Value
Rotational Period 5.290
Period quality 2
Spectral Class C
Spectral Class Score 8.255
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3193 0.1141 0.1215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.12 1.234 1.234 Masiero 2017AJ....154..168M NEATM
5.78 0.980 0.980 Masiero 2021PSJ.....2..162M NEATM
5.92 1.730 1.730 Masiero 2017AJ....154..168M NEATM
7.44 0.069 0.069 Masiero 2011ApJ...741...68M NEATM
7.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
7.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0066 0.0066 Masiero 2011ApJ...741...68M NEATM
0.094 0.0537 0.0537 Masiero 2017AJ....154..168M NEATM
0.101 0.0360 0.0570 Masiero 2021PSJ.....2..162M NEATM
0.129 0.0556 0.0556 Masiero 2017AJ....154..168M 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
14.37 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.28987 2 Sidereal Durech 2023A&A...675A..24D Model
5.2901 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 C 0.5641 0.4660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.6117 0.4660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.40 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.9092 0.4660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT