Hefele

1986 WG4, 1986WG4, 1991 TK6, 1991TK6, 2000 KM6, 2000KM6, 26842, J86W04G, J91T06K, K00K06M

All data for this body: [vot]

MPC data
Name (number) Hefele (26842)
a 3.06620
e 0.17752
i / sin(i) 6.2851 / 0.10948
q 2.52189
Q 3.61052
ω 224.8046
Node 211.6796
m 32.6025
n 0.1836
Epoch 2460800.5
nobs 2664
nopp 27
Years observed 1983-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.071
ep 0.161
sin(ip) 0.119
G 0.150
H 13.650
Mass
D 5.75 0.244
pV 0.178 0.0157
Value
Rotational Period 4.666
Period quality 2
Spectral Class S
Spectral Class Score 4.378
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0709 0.1613 0.1189 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.43 0.320 0.320 Masiero 2011ApJ...741...68M NEATM
6.19 0.378 0.378 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0176 0.0176 Masiero 2011ApJ...741...68M NEATM
0.218 0.0345 0.0345 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
13.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.66624 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.7296 0.7230 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT