Ianthe

00098, 1868 HA, 1868HA, 1931 RK1, 1931RK1, 1949 SE1, 1949SE1, 1975 XO, 1975XO, I68H00A, J31R01K, J49S01E, J75X00O

All data for this body: [vot]

MPC data
Name (number) Ianthe (98)
a 2.68624
e 0.18783
i / sin(i) 15.5778 / 0.26855
q 2.18169
Q 3.19080
ω 158.2604
Node 353.8858
m 258.4969
n 0.2239
Epoch 2460800.5
nobs 7829
nopp 55
Years observed 1870-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.687
ep 0.245
sin(ip) 0.263
G 0.150
H 8.960
Mass 1.116e+18 2.586e+17
D 115.64 0.694
pV 0.040 0.0012
Value
Rotational Period 16.470
Period quality 3
Spectral Class Ch
Spectral Class Score 10.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6869 0.2448 0.2625 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.4700e+18 6.9000e+17 6.9000e+17 Fienga 2011CeMDA.111..363F Ephem
1.6400e+18 Folkner 2014IPNPR.196C...1F Ephem
8.2400e+17 Folkner 2009IPNPR.178C...1F Ephem
8.6867e+17 4.0314e+17 4.0314e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.04 10.100 10.100 Ali-Lagoa 2018A&A...612A..85A NEATM
101.70 20.340 20.340 Ali-Lagoa 2018A&A...612A..85A NEATM
101.97 3.668 3.668 Ryan&Woodward 2010AJ....140..933R IRAS-STM
102.01 30.710 30.710 Masiero 2020PSJ.....1....5M NEATM
102.49 4.000 4.000 Masiero 2014ApJ...791..121M NEATM
104.24 1.290 1.290 Usui 2011PASJ...63.1117U NEATM
104.31 36.860 36.860 Nugent 2016AJ....152...63N NEATM
104.45 1.800 1.800 Tedesco 2002AJ....123.1056T STM
109.24 10.920 10.920 Ali-Lagoa 2018A&A...612A..85A NEATM
110.88 2.322 2.322 Masiero 2011ApJ...741...68M NEATM
114.30 5.228 5.228 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
132.79 1.130 1.130 Masiero 2012ApJ...759L...8M NEATM
90.96 30.710 30.710 Masiero 2020PSJ.....1....5M NEATM
91.00 31.242 31.242 Masiero 2017AJ....154..168M NEATM
93.27 28.260 28.260 Masiero 2020PSJ.....1....5M NEATM
94.68 29.240 29.240 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0020 0.0020 Masiero 2012ApJ...759L...8M NEATM
0.037 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.040 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.042 0.0051 0.0051 Masiero 2011ApJ...741...68M NEATM
0.042 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.042 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0367 0.0367 Masiero 2017AJ....154..168M NEATM
0.047 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.050 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.050 0.0038 0.0038 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.055 0.0110 0.0110 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
8.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 2- Synodic Behrend LCDB Lightcurve
16.455 3 Synodic Behrend LCDB Lightcurve
16.479 3 Synodic Pilcher 2008MPBu...35...71P Lightcurve
16.4801 2 Sidereal Hanus 2016A&A...586A.108H Model
16.481 3 Synodic Behrend LCDB Lightcurve
16.4863 3 Synodic Behrend LCDB Lightcurve
16.5 2 Synodic Magnusson 1991A&AS...87..269M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Luo 2024AJ....167...13L SPEC
C 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
P 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT