Freda

01093, 1898 VE, 1898VE, 1925 LA, 1925LA, I98V00E, J25L00A

All data for this body: [vot]

MPC data
Name (number) Freda (1093)
a 3.13415
e 0.26982
i / sin(i) 25.1926 / 0.42566
q 2.28851
Q 3.97979
ω 251.1144
Node 55.5912
m 314.2691
n 0.1776
Epoch 2460800.5
nobs 8216
nopp 42
Years observed 1929-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.140
ep 0.185
sin(ip) 0.428
G 0.150
H 9.040
Mass 1.416e+18 3.120e+17
D 106.70 1.201
pV 0.037 0.0014
Value
Rotational Period 19.600
Period quality 3
Spectral Class X
Spectral Class Score 5.982
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1398 0.1853 0.4280 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.9300e+18 Folkner 2014IPNPR.196C...1F Ephem
9.0255e+17 4.4125e+17 4.4125e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.67 1.450 1.450 Usui 2011PASJ...63.1117U NEATM
111.99 11.200 11.200 Ali-Lagoa 2018A&A...612A..85A NEATM
116.03 11.600 11.600 Ali-Lagoa 2018A&A...612A..85A NEATM
116.73 2.900 2.900 Tedesco 2002AJ....123.1056T STM
120.10 3.965 3.965 Ryan&Woodward 2010AJ....140..933R IRAS-STM
122.50 33.130 33.130 Masiero 2021PSJ.....2..162M NEATM
122.73 7.902 7.902 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
88.01 27.850 27.850 Nugent 2016AJ....152...63N NEATM
98.40 26.660 26.660 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0047 0.0047 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.036 0.0024 0.0024 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.036 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.038 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.039 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N 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
9.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.73 1 Synodic Behrend LCDB Lightcurve
10.73 2 Synodic Behrend LCDB Lightcurve
19.67 3 Synodic Warner 2008MPBu...35..163W Lightcurve
19.701 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
X 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT