Euphrosyne

00031, 1854 RA, 1854RA, 1907 GP, 1907GP, 1918 GB, 1918GB, I54R00A, J07G00P, J18G00B

All data for this body: [vot]

MPC data
Name (number) Euphrosyne (31)
a 3.16107
e 0.21598
i / sin(i) 26.3159 / 0.44332
q 2.47834
Q 3.84381
ω 61.9266
Node 30.8005
m 112.8732
n 0.1754
Epoch 2460800.5
nobs 3349
nopp 66
Years observed 1860-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Euphrosyne (31)
 
ap 3.155
ep 0.208
sin(ip) 0.447
G 0.150
H 6.810
Mass 1.431e+19 8.231e+17
D 270.59 1.715
pV 0.048 0.0018
Value
Rotational Period 5.500
Period quality 3
Spectral Class C
Spectral Class Score 49.790
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
31 Euphrosyne 901 Euphrosyne Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1552 0.2084 0.4469 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.3900e+19 1.2700e+19 1.2700e+19 Zielenbach 2011AJ....142..120Z Deflec
1.7100e+19 Folkner 2009IPNPR.178C...1F Ephem
1.8500e+19 1.1300e+19 1.1300e+19 Zielenbach 2011AJ....142..120Z Deflec
1.8700e+19 1.0300e+19 1.0300e+19 Kochetova 2004SoSyR..38...66K Deflec
2.3100e+19 9.4400e+18 9.4400e+18 Zielenbach 2011AJ....142..120Z Deflec
2.6315e+19 1.5510e+18 1.5510e+18 Fienga 2013arXiv1301.1510F Ephem
2.6900e+19 9.1000e+18 9.1000e+18 Zielenbach 2011AJ....142..120Z Deflec
3.1197e+19 4.3540e+18 4.3540e+18 Fienga 2017NSTIM.108.....V Ephem
4.2600e+19 Folkner 2014IPNPR.196C...1F Ephem
5.8100e+19 1.9700e+19 1.9700e+19 Baer 2011AJ....141..143B Deflec
5.9500e+19 1.3500e+19 1.3500e+19 Fienga 2009A&A...507.1675F Ephem
6.2300e+18 1.1700e+18 1.1700e+18 Baer 2008DPS....40.5209B Deflec
8.5215e+18 2.7725e+18 2.7725e+18 Fienga INPOP19a Ephem
8.7500e+18 3.9800e+18 3.9800e+18 Fienga 2011CeMDA.111..363F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
255.90 11.500 11.500 Tedesco 2002AJ....123.1056T STM
259.87 12.740 12.740 Masiero 2014ApJ...791..121M NEATM
265.94 7.001 7.001 Ryan&Woodward 2010AJ....140..933R IRAS-STM
267.08 2.610 2.610 Masiero 2012ApJ...759L...8M NEATM
268.00 6.000 6.000 Yang 2020A&A...641A..80Y AO
275.35 27.540 27.540 Ali-Lagoa 2018A&A...612A..85A NEATM
276.49 2.860 2.860 Usui 2011PASJ...63.1117U NEATM
280.00 60.776 60.776 Masiero 2011ApJ...741...68M NEATM
286.91 12.536 12.536 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
289.99 29.000 29.000 Ali-Lagoa 2018A&A...612A..85A NEATM
302.09 113.800 113.800 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.045 0.0445 0.0445 Masiero 2011ApJ...741...68M NEATM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.050 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0027 0.0027 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.054 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
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
6.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.5 2 Synodic Barucci 1985Icar...61..152B Lightcurve
5.529 3- Synodic Oey 2010MPBu...37..135O Lightcurve
5.5293 3 Synodic Pilcher 2013MPBu...40..189P Lightcurve
5.529595 2 Sidereal Vernazza 2021A&A...654A..56V Model
5.529595 3 Sidereal Yang 2020A&A...641A..80Y Model
5.529597 2 Sidereal Hanus 2016A&A...586A.108H Model
5.5296 3 Synodic Pilcher 2012MPBu...39...57P Lightcurve
5.53 1 Synodic Behrend LCDB Lightcurve
5.53 3 Synodic Pilcher 2009MPBu...36...52P Lightcurve
5.531 2 Synodic Schober 1980A&A....91....1S Lightcurve
5.5312 3 Synodic Ferrais 2019MPBu...46..278F Lightcurve
5.53159 2+ Sidereal Kryszczynska 1996Icar..124..134K Model
5.534 2+ Sidereal Torppa 2008Icar..198...91T Model
5.56039 2 Sidereal Michalowski 1993Icar..106..563M Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Barucci VIS Lazzarin 1995AJ....110.3058L SPEC
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Lazzarin 1995AJ....110.3058L SPEC
C 0.890000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C 0.920000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C P 0.580000 0.400000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Cb Bus-DeMeo NIR Yang 2020A&A...643A..38Y SPEC
Cb Bus VIS Bus 2002Icar..158..146B SPEC
Cb Bus VIS Fornasier 2014Icar..233..163F SPEC
Cx Howell VISNIR Howell 1994JGR....9910847H PHOT
X 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT