Mechthild

00873, 1917 KJ, 1917KJ, J17K00J

All data for this body: [vot]

MPC data
Name (number) Mechthild (873)
a 2.62685
e 0.14825
i / sin(i) 5.2770 / 0.09197
q 2.23742
Q 3.01629
ω 109.5949
Node 149.9870
m 105.3120
n 0.2315
Epoch 2460800.5
nobs 7950
nopp 49
Years observed 1917-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.627
ep 0.195
sin(ip) 0.085
G 0.150
H 11.520
Mass
D 34.40 0.089
pV 0.047 0.0026
Value
Rotational Period 11.000
Period quality 3
Spectral Class X
Spectral Class Score 8.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6274 0.1946 0.0850 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
27.43 7.360 7.360 Masiero 2021PSJ.....2..162M NEATM
27.84 7.030 7.030 Masiero 2021PSJ.....2..162M NEATM
29.04 1.900 1.900 Tedesco 2002AJ....123.1056T STM
29.12 10.265 10.265 Masiero 2017AJ....154..168M NEATM
29.50 1.058 1.058 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
31.30 0.600 0.600 Hanus 2018Icar..309..297H RADIOMETRY_TPM
31.34 10.450 10.450 Masiero 2021PSJ.....2..162M NEATM
31.39 2.967 2.967 Ryan&Woodward 2010AJ....140..933R IRAS-STM
31.71 8.150 8.150 Masiero 2021PSJ.....2..162M NEATM
32.40 0.400 0.400 Hanus 2018Icar..309..297H RADIOMETRY_TPM
33.56 0.590 0.590 Usui 2011PASJ...63.1117U NEATM
34.47 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
34.53 6.910 6.910 Ali-Lagoa 2018A&A...612A..85A NEATM
34.99 3.500 3.500 Ali-Lagoa 2018A&A...612A..85A NEATM
36.33 0.290 0.290 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0063 0.0063 Masiero 2011ApJ...741...68M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0348 0.0348 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.046 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0170 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0210 0.0370 Masiero 2021PSJ.....2..162M NEATM
0.051 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.053 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.057 0.0220 0.0350 Masiero 2021PSJ.....2..162M NEATM
0.058 0.0210 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.079 0.0494 0.0494 Masiero 2017AJ....154..168M 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
11.52 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.6 2 Synodic Lagerkvist 1978A&AS...31..361L Lightcurve
10.99 3 Synodic Garceran 2016MPBu...43...92G Lightcurve
11.006 3 Synodic Warner 2009MPBu...36..172W Lightcurve
11.00639 2 Sidereal Hanus 2016A&A...586A.108H Model
11.00645 2 Sidereal Martikainen 2021A&A...649A..98M Model
11.0065 2 Sidereal Durech 2023A&A...675A..24D Model
11.007 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT