Ismene

00190, 1878 SA, 1878SA, 1947 QJ, 1947QJ, 1951 DB, 1951DB, I78S00A, J47Q00J, J51D00B

All data for this body: [vot]

MPC data
Name (number) Ismene (190)
a 3.99488
e 0.16830
i / sin(i) 6.1744 / 0.10755
q 3.32256
Q 4.66720
ω 271.3826
Node 175.4097
m 170.9319
n 0.1234
Epoch 2460800.5
nobs 11417
nopp 74
Years observed 1893-2025
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.965
ep 0.170
sin(ip) 0.103
G 0.150
H 7.890
Mass
D 186.62 3.230
pV 0.038 0.0056
Value
Rotational Period 6.520
Period quality 3
Spectral Class P
Spectral Class Score 26.450
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9650 0.1695 0.1035 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
166.46 33.290 33.290 Ali-Lagoa 2018A&A...612A..85A NEATM
179.89 3.640 3.640 Usui 2011PASJ...63.1117U NEATM
187.08 37.420 37.420 Ali-Lagoa 2018A&A...612A..85A NEATM
214.66 7.300 7.300 Grav 2012ApJ...744..197G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0060 0.0060 Grav 2012ApJ...744..197G NEATM
0.049 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.061 0.0240 0.0240 Ali-Lagoa 2018A&A...612A..85A 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
7.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.0 1 Synodic Higgins LCDB Lightcurve
6.51 2 Synodic Binzel 1992Icar...95..222B Lightcurve
6.5174 2 Synodic Dunckel LCDB Lightcurve
6.519 Synodic Shevchenko LCDB Lightcurve
6.5192 3 Synodic Shevchenko 2008Icar..196..601S Lightcurve
6.5195 2+ Synodic Loera 2022MPBu...49..289L Lightcurve
6.5198 2+ Synodic Warner 2021MPBu...48..303W Lightcurve
6.52 3 Synodic Dahlgren 1998Icar..133..247D Lightcurve
6.521 3 Synodic Warner 2020MPBu...47..123W Lightcurve
8.882 1+ Synodic Behrend LCDB Lightcurve
9.93 0 Synodic Zappala 1989Icar...82..354Z Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P 0.970000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
P 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X Bus VIS Fornasier 2014Icar..233..163F SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C Tholen VIS Binzel 2001Icar..151..139B SPEC
C P 0.780000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Cg Bus-DeMeo NIR De Pra 2018Icar..311...35D SPEC
P Tholen VIS Dahlgren 1995A&A...302..907D SPEC
P Tholen VIS Fornasier 2014Icar..233..163F SPEC
P 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC