Ludmilla

00675, 1908 QH, 1908QH, 1910 CH, 1910CH, J08Q00H, J10C00H

All data for this body: [vot]

MPC data
Name (number) Ludmilla (675)
a 2.76741
e 0.20508
i / sin(i) 9.8111 / 0.17040
q 2.19986
Q 3.33496
ω 152.3734
Node 262.9883
m 63.5517
n 0.2141
Epoch 2460800.5
nobs 8115
nopp 61
Years observed 1908-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.770
ep 0.170
sin(ip) 0.184
G 0.150
H 8.140
Mass 8.586e+17 2.222e+17
D 67.61 0.930
pV 0.271 0.0540
Value
Rotational Period 7.710
Period quality 3
Spectral Class S
Spectral Class Score 25.930
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7697 0.1700 0.1840 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0700e+18 Folkner 2014IPNPR.196C...1F Ephem
6.4729e+17 3.1428e+17 3.1428e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
65.31 6.530 6.530 Ali-Lagoa 2018A&A...612A..85A NEATM
67.66 0.940 0.940 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.271 0.0540 0.0540 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
8.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.71 2 Synodic Menke 2005MPBu...32...64M Lightcurve
7.713 3 Synodic Behrend LCDB Lightcurve
7.71446 3 Synodic Behrend LCDB Lightcurve
7.7152 2 Sidereal Durech 2023A&A...675A..24D Model
7.715486 2 Sidereal Durech LCDB Model
7.7155 2 Sidereal Martikainen 2021A&A...649A..98M Model
7.7161 2+ Synodic Behrend LCDB Lightcurve
7.717 3 Synodic Schober 1975A&A....44...81S Lightcurve
7.717 3 Synodic Velichko 1995A&AS..110..125V Lightcurve
7.717215 2 Sidereal Torppa 2003Icar..164..346T Model
7.75 3 Synodic Chang 1981ChA&A...5..434C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC