Irmgard

00591, 1906 EE, 1906EE, 1954 EM, 1954EM, 1955 ML1, 1955ML1, J06E00E, J54E00M, J55M01L

All data for this body: [vot]

MPC data
Name (number) Irmgard (591)
a 2.67794
e 0.20994
i / sin(i) 12.4505 / 0.21560
q 2.11572
Q 3.24015
ω 218.8371
Node 334.0753
m 40.4946
n 0.2249
Epoch 2460800.5
nobs 4727
nopp 43
Years observed 1906-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.681
ep 0.248
sin(ip) 0.227
G 0.150
H 10.630
Mass 1.702e+17 7.163e+16
D 50.12 0.622
pV 0.035 0.0016
Value
Rotational Period 7.300
Period quality 3
Spectral Class C
Spectral Class Score 7.679
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6809 0.2476 0.2269 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.3500e+17 Folkner 2014IPNPR.196C...1F Ephem
2.0534e+17 1.0129e+17 1.0129e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
44.16 12.210 12.210 Masiero 2021PSJ.....2..162M NEATM
47.64 15.667 15.667 Masiero 2017AJ....154..168M NEATM
48.61 9.720 9.720 Ali-Lagoa 2018A&A...612A..85A NEATM
48.95 4.900 4.900 Ali-Lagoa 2018A&A...612A..85A NEATM
49.05 0.760 0.760 Usui 2011PASJ...63.1117U NEATM
51.33 3.804 3.804 Ryan&Woodward 2010AJ....140..933R IRAS-STM
51.86 1.300 1.300 Tedesco 2002AJ....123.1056T STM
53.43 15.290 15.290 Masiero 2021PSJ.....2..162M NEATM
53.72 13.204 13.204 Masiero 2017AJ....154..168M NEATM
56.27 2.998 2.998 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
59.62 10.290 10.290 Nugent 2016AJ....152...63N NEATM
70.75 20.720 20.720 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.022 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM
0.032 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.033 0.0130 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.035 0.0204 0.0204 Masiero 2017AJ....154..168M NEATM
0.036 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.038 0.0056 0.0056 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.038 0.0215 0.0215 Masiero 2017AJ....154..168M NEATM
0.040 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.041 0.0160 0.0260 Masiero 2021PSJ.....2..162M NEATM
0.044 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0180 0.0180 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
10.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.331 3 Synodic Behrend LCDB Lightcurve
7.34509 2 Sidereal Durech 2020A&A...643A..59D Model
7.35 3 Synodic Lagerkvist 1987A&AS...70...21L Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C X 0.3982 0.3080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.8816 0.3080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.3698 0.3080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4693 0.3080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT