Galatea

00074, 1862 QA, 1862QA, 1908 OC, 1908OC, I62Q00A, J08O00C

All data for this body: [vot]

MPC data
Name (number) Galatea (74)
a 2.78033
e 0.23628
i / sin(i) 4.0719 / 0.07101
q 2.12340
Q 3.43727
ω 174.8845
Node 197.1134
m 21.8400
n 0.2126
Epoch 2460800.5
nobs 8840
nopp 69
Years observed 1864-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.780
ep 0.200
sin(ip) 0.074
G 0.150
H 8.930
Mass 1.527e+18 2.326e+17
D 118.81 1.439
pV 0.039 0.0012
Value
Rotational Period 17.260
Period quality 3
Spectral Class C
Spectral Class Score 39.950
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7795 0.1996 0.0741 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.3700e+18 Folkner 2014IPNPR.196C...1F Ephem
6.8472e+17 3.2894e+17 3.2894e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
100.20 39.351 39.351 Masiero 2017AJ....154..168M NEATM
104.14 29.420 29.420 Masiero 2021PSJ.....2..162M NEATM
110.77 22.150 22.150 Ali-Lagoa 2018A&A...612A..85A NEATM
113.09 2.150 2.150 Usui 2011PASJ...63.1117U NEATM
118.71 2.800 2.800 Tedesco 2002AJ....123.1056T STM
119.77 11.980 11.980 Ali-Lagoa 2018A&A...612A..85A NEATM
123.91 39.140 39.140 Masiero 2021PSJ.....2..162M NEATM
125.37 43.941 43.941 Masiero 2017AJ....154..168M NEATM
127.67 3.339 3.339 Ryan&Woodward 2010AJ....140..933R IRAS-STM
130.25 23.750 23.750 Nugent 2016AJ....152...63N NEATM
132.02 5.322 5.322 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.035 0.0028 0.0028 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.037 0.0020 0.0020 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.038 0.0160 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.044 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.052 0.0312 0.0312 Masiero 2017AJ....154..168M NEATM
0.073 0.0482 0.0482 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
8.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.266 3 Synodic Pilcher 2021MPBu...48..132P Lightcurve
17.2678 2 Sidereal Durech 2020A&A...643A..59D Model
17.268 3 Synodic Pilcher 2009MPBu...36..133P Lightcurve
17.27 3- Synodic Pilcher 2008MPBu...35..135P Lightcurve
8.629 2 Synodic Behrend LCDB Lightcurve
8.629 2 Synodic CALL LCDB Lightcurve
8.643 2 Synodic Behrend LCDB Lightcurve
9.0 2 Synodic Harris 1980Icar...43...20H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.582 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C Bus VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C B 0.790000 0.210000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P C 0.840000 0.160000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC