Lafontaine

05780, 1962 TO, 1962TO, 1975 VT1, 1975VT1, 1975 XB7, 1975XB7, 1990 EJ2, 1990EJ2, J62T00O, J75V01T, J75X07B, J90E02J

All data for this body: [vot]

MPC data
Name (number) Lafontaine (5780)
a 3.35274
e 0.13539
i / sin(i) 8.6691 / 0.15073
q 2.89882
Q 3.80667
ω 116.2777
Node 233.2292
m 83.2528
n 0.1605
Epoch 2460800.5
nobs 4721
nopp 30
Years observed 1962-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.340
ep 0.106
sin(ip) 0.170
G 0.150
H 12.110
Mass
D 22.60 0.119
pV 0.054 0.0036
Value
Rotational Period
Period quality None
Spectral Class
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.3399 0.1060 0.1695 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.96 8.420 8.420 Masiero 2020PSJ.....1....5M NEATM
22.59 0.119 0.119 Masiero 2011ApJ...741...68M NEATM
23.51 1.550 1.550 Usui 2011PASJ...63.1117U NEATM
24.04 4.810 4.810 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.055 0.0037 0.0037 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
12.11 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
D Tholen VIS Lagerkvist 2005A&A...432..349L SPEC
C C 0.1332 0.4630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6671 0.4630 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT