Eunike

00185, 1878 EA, 1878EA, I78E00A

All data for this body: [vot]

MPC data
Name (number) Eunike (185)
a 2.73897
e 0.12700
i / sin(i) 23.2509 / 0.39476
q 2.39112
Q 3.08683
ω 223.9773
Node 153.7359
m 303.4938
n 0.2174
Epoch 2460800.5
nobs 4968
nopp 77
Years observed 1880-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.739
ep 0.127
sin(ip) 0.385
G 0.150
H 7.630
Mass 5.827e+18 1.189e+18
D 159.15 1.121
pV 0.064 0.0016
Value
Rotational Period 21.790
Period quality 3
Spectral Class C
Spectral Class Score 88.738
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7386 0.1266 0.3845 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.9700e+18 5.1400e+18 5.1400e+18 Zielenbach 2011AJ....142..120Z Deflec
5.2021e+18 1.6330e+18 1.6330e+18 Fienga INPOP19a Ephem
5.9400e+18 6.7400e+18 6.7400e+18 Zielenbach 2011AJ....142..120Z Deflec
6.4600e+17 5.0300e+18 5.0300e+18 Zielenbach 2011AJ....142..120Z Deflec
6.8900e+18 6.2300e+18 6.2300e+18 Zielenbach 2011AJ....142..120Z Deflec
7.6400e+18 Folkner 2014IPNPR.196C...1F Ephem
8.7632e+18 2.5055e+18 2.5055e+18 Fienga 2013arXiv1301.1510F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
138.02 3.821 3.821 Ryan&Woodward 2010AJ....140..933R IRAS-STM
144.32 52.550 52.550 Nugent 2016AJ....152...63N NEATM
145.27 47.810 47.810 Nugent 2016AJ....152...63N NEATM
155.46 5.265 5.265 Masiero 2011ApJ...741...68M NEATM
157.51 2.600 2.600 Tedesco 2002AJ....123.1056T STM
158.52 6.240 6.240 Masiero 2011ApJ...741...68M NEATM
158.67 55.100 55.100 Masiero 2021PSJ.....2..162M NEATM
159.76 2.830 2.830 Masiero 2014ApJ...791..121M NEATM
160.46 2.020 2.020 Masiero 2014ApJ...791..121M NEATM
164.00 42.880 42.880 Masiero 2020PSJ.....1....5M NEATM
167.72 2.830 2.830 Usui 2011PASJ...63.1117U NEATM
168.31 46.325 46.325 Masiero 2017AJ....154..168M NEATM
170.82 17.080 17.080 Ali-Lagoa 2018A&A...612A..85A NEATM
173.17 34.630 34.630 Ali-Lagoa 2018A&A...612A..85A NEATM
175.98 65.720 65.720 Masiero 2020PSJ.....1....5M NEATM
177.32 54.319 54.319 Masiero 2017AJ....154..168M NEATM
179.80 8.084 8.084 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0283 0.0283 Masiero 2017AJ....154..168M NEATM
0.045 0.0690 0.0690 Masiero 2020PSJ.....1....5M NEATM
0.047 0.0280 0.0280 Masiero 2017AJ....154..168M NEATM
0.049 0.0290 0.0290 Masiero 2020PSJ.....1....5M NEATM
0.049 0.0045 0.0045 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.059 0.0270 0.0480 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.063 0.0134 0.0134 Masiero 2011ApJ...741...68M NEATM
0.064 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.065 0.0074 0.0074 Masiero 2011ApJ...741...68M NEATM
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.070 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.083 0.0046 0.0046 Ryan&Woodward 2010AJ....140..933R IRAS-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
7.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.83 2 Synodic Debehogne 1978A&AS...32..127D Lightcurve
11.2 2 Synodic Ruthroff 2010MPBu...37..158R Lightcurve
14.56 2+ Synodic Ruthroff 2011MPBu...38...86R Lightcurve
21.777 3- Synodic Hills 2013MPBu...40...89H Lightcurve
21.797 3 Synodic Pilcher 2012MPBu...39...13P Lightcurve
21.8 1 Synodic Behrend LCDB Lightcurve
21.8 3 Synodic Pilcher 2014MPBu...41..244P Lightcurve
21.807 2 Synodic Behrend LCDB Lightcurve
21.808 3 Synodic Pilcher 2014MPBu...41..244P Lightcurve
21.812 3 Synodic Pilcher 2014MPBu...41..244P Lightcurve
21.813 3 Synodic Pilcher 2014MPBu...41..244P Lightcurve
21.822 3- Synodic Behrend LCDB Lightcurve
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 2017PASJ...69...99H SPEC
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 Tholen VIS Lazzarin 1995AJ....110.3058L SPEC
C 0.551 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C C 0.9732 0.9770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.9822 0.9770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT