Louise

02556, 1951 WK2, 1951WK2, 1972 HV, 1972HV, 1976 SN1, 1976SN1, 1981 CS, 1981CS, J51W02K, J72H00V, J76S01N, J81C00S

All data for this body: [vot]

MPC data
Name (number) Louise (2556)
a 2.16315
e 0.03729
i / sin(i) 2.7900 / 0.04868
q 2.08249
Q 2.24381
ω 345.7190
Node 126.4376
m 348.6572
n 0.3098
Epoch 2460800.5
nobs 5699
nopp 29
Years observed 1951-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.163
ep 0.111
sin(ip) 0.064
G 0.150
H 13.360
Mass
D 6.39 0.041
pV 0.196 0.0137
Value
Rotational Period 3.800
Period quality 3
Spectral Class A
Spectral Class Score 4.004
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1627 0.1114 0.0638 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.18 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
6.24 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
6.30 0.119 0.119 Masiero 2011ApJ...741...68M NEATM
6.52 0.056 0.056 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.182 0.0411 0.0411 Masiero 2011ApJ...741...68M NEATM
0.195 0.0227 0.0227 Masiero 2011ApJ...741...68M NEATM
0.200 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.200 0.0600 0.0600 Masiero 2014ApJ...791..121M 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
13.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.806 2 Synodic Behrend LCDB Lightcurve
3.808 3 Synodic Klinglesmith 2016MPBu...43..234K Lightcurve
3.809 2+ Synodic Alkema 2013MPBu...40..133A Lightcurve
3.809 3- Synodic Baxter 2019MPBu...46..111B Lightcurve
3.80911 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
A A 0.6673 0.6673 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.306 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT