Ortrud

00551, 1904 WC, 1904WC, 1906 EA, 1906EA, 1962 DC, 1962DC, 1978 AA, 1978AA, J04W00C, J06E00A, J62D00C, J78A00A

All data for this body: [vot]

MPC data
Name (number) Ortrud (551)
a 2.96921
e 0.11879
i / sin(i) 0.3941 / 0.00688
q 2.61650
Q 3.32191
ω 70.9696
Node 5.6725
m 200.4268
n 0.1926
Epoch 2460800.5
nobs 8846
nopp 66
Years observed 1904-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.967
ep 0.113
sin(ip) 0.022
G 0.150
H 9.800
Mass
D 79.09 0.547
pV 0.045 0.0021
Value
Rotational Period 17.410
Period quality 3
Spectral Class C
Spectral Class Score 31.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9667 0.1133 0.0221 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
65.91 14.860 14.860 Nugent 2016AJ....152...63N NEATM
67.47 20.730 20.730 Masiero 2020PSJ.....1....5M NEATM
67.74 2.174 2.174 Ryan&Woodward 2010AJ....140..933R IRAS-STM
70.52 22.530 22.530 Nugent 2016AJ....152...63N NEATM
73.33 22.680 22.680 Masiero 2020PSJ.....1....5M NEATM
77.23 1.000 1.000 Usui 2011PASJ...63.1117U NEATM
78.46 4.100 4.100 Tedesco 2002AJ....123.1056T STM
81.11 0.710 0.710 Masiero 2012ApJ...759L...8M NEATM
81.58 8.160 8.160 Ali-Lagoa 2018A&A...612A..85A NEATM
83.22 8.320 8.320 Ali-Lagoa 2018A&A...612A..85A NEATM
86.04 4.731 4.731 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0040 0.0040 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.038 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM
0.043 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
0.045 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.057 0.0037 0.0037 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.058 0.0810 0.0810 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0200 0.0200 Nugent 2016AJ....152...63N 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
9.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.05 2 Synodic Robinson 2002MPBu...29...37R Lightcurve
17.401 2 Synodic Behrend LCDB Lightcurve
17.416 2 Synodic Buchheim 2007MPBu...34...68B Lightcurve
17.416 3 Synodic Marciniak 2018A&A...610A...7M Lightcurve
17.59 1 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT