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 3.99368
e 0.16816
i / sin(i) 6.1761 / 0.10758
q 3.32211
Q 4.66526
ω 271.1671
Node 175.4375
m 97.1100
n 0.1235
Epoch 2460200.5
nobs 10494
nopp 71
Years observed 1894-2023
rms 0.35
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.965
ep 0.170
sin(ip) 0.103
Value Standard error
G 0.150
H 7.930
Mass
D 186.62 3.230
pV 0.038 0.0056
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-Oct-2022
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
7.93 MPC-2023-12-04 MPC-2023-12-04 Phot