Iduna

00176, 1877 TB, 1877TB, 1945 RQ, 1945RQ, I77T00B, J45R00Q

All data for this body: [vot]

MPC data
Name (number) Iduna (176)
a 3.17882
e 0.17192
i / sin(i) 22.6808 / 0.38560
q 2.63230
Q 3.72533
ω 188.9447
Node 200.4616
m 0.1093
n 0.1739
Epoch 2460800.5
nobs 10180
nopp 64
Years observed 1877-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.179
ep 0.195
sin(ip) 0.374
G 0.150
H 8.440
Mass 1.044e+18 3.395e+17
D 114.18 0.728
pV 0.081 0.0024
Value
Rotational Period 11.287
Period quality 3
Spectral Class Ch
Spectral Class Score 36.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1793 0.1946 0.3737 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.1200e+18 Folkner 2014IPNPR.196C...1F Ephem
9.6770e+17 4.8014e+17 4.8014e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
102.50 32.090 32.090 Nugent 2016AJ....152...63N NEATM
106.98 1.080 1.080 Masiero 2014ApJ...791..121M NEATM
111.86 34.690 34.690 Masiero 2021PSJ.....2..162M NEATM
112.60 4.406 4.406 Ryan&Woodward 2010AJ....140..933R IRAS-STM
112.82 32.970 32.970 Masiero 2021PSJ.....2..162M NEATM
119.46 1.300 1.300 Usui 2011PASJ...63.1117U NEATM
121.04 2.200 2.200 Tedesco 2002AJ....123.1056T STM
122.15 2.699 2.699 Masiero 2011ApJ...741...68M NEATM
127.62 12.760 12.760 Ali-Lagoa 2018A&A...612A..85A NEATM
130.74 13.070 13.070 Ali-Lagoa 2018A&A...612A..85A NEATM
131.13 6.140 6.140 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0260 0.0560 Masiero 2021PSJ.....2..162M NEATM
0.053 0.0240 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.056 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.059 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.072 0.0069 0.0069 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.082 0.0115 0.0115 Masiero 2011ApJ...741...68M NEATM
0.083 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.099 0.0076 0.0076 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.110 0.0300 0.0300 Masiero 2014ApJ...791..121M 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
8.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.28 3 Synodic Benishek 2018MPBu...45...82B Lightcurve
11.287 3 Synodic Shevchenko 2016P&SS..123..101S Lightcurve
11.2875 3 Synodic Behrend LCDB Lightcurve
11.2876 2 Sidereal Durech 2023A&A...675A..24D Model
11.2877 3 Synodic Krajewski 2008MPBu...35...77K Lightcurve
11.28783 2 Sidereal Durech 2018Icar..304..101D Model
11.28783 2 Sidereal Wang 2018AN....339..457W Model
11.28784 2 Sidereal Durech 2016A&A...587A..48D Model
11.28784 2 Sidereal Martikainen 2021A&A...649A..98M Model
11.288 3 Synodic Alton 2008MPBu...35...53A Lightcurve
11.289 2 Synodic Hansen 1997MPBu...24Q..14H Lightcurve
11.29 2 Synodic Behrend LCDB Lightcurve
11.2928 3- Synodic Oey 2017MPBu...44..200O Lightcurve
11.309 3 Synodic Warner 2008MPBu...35...56W Lightcurve
5.63 1 Synodic Riccioli 2001P&SS...49..657R Lightcurve
5.63 1 Synodic Riccioli 2001P&SS...49..657R Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.940000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C S 0.670000 0.290000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC
Ch Bus VIS Fornasier 2014Icar..233..163F SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
G Tholen VIS Fornasier 2014Icar..233..163F SPEC
P M 0.870000 0.120000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.632 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT