Ekard

00694, 1909 VC, 1909VC, 1951 CD1, 1951CD1, J09V00C, J51C01D

All data for this body: [vot]

MPC data
Name (number) Ekard (694)
a 2.66959
e 0.32295
i / sin(i) 15.8987 / 0.27394
q 1.80745
Q 3.53174
ω 111.7272
Node 229.9649
m 203.2147
n 0.2260
Epoch 2460800.5
nobs 7676
nopp 53
Years observed 1909-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.671
ep 0.240
sin(ip) 0.308
G 0.150
H 9.270
Mass 1.015e+18 2.706e+17
D 111.75 0.595
pV 0.039 0.0018
Value
Rotational Period 5.920
Period quality 3
Spectral Class Ch
Spectral Class Score 26.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6709 0.2396 0.3084 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0000e+18 Folkner 2014IPNPR.196C...1F Ephem
1.0299e+18 3.8263e+17 3.8263e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.87 17.151 17.151 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
104.67 34.800 34.800 Nugent 2016AJ....152...63N NEATM
108.00 nan nan Delbo 2009P&SS...57..259D RADIOMETRY_TPM
111.00 nan nan Delbo 2009P&SS...57..259D RADIOMETRY_TPM
121.89 0.720 0.720 Masiero 2012ApJ...759L...8M NEATM
63.87 3.643 3.643 Ryan&Woodward 2010AJ....140..933R MSX-STM
86.79 35.530 35.530 Nugent 2016AJ....152...63N NEATM
88.43 25.800 25.800 Masiero 2021PSJ.....2..162M NEATM
90.51 4.343 4.343 Ryan&Woodward 2010AJ....140..933R IRAS-STM
90.78 4.000 4.000 Tedesco 2002AJ....123.1056T STM
92.11 1.260 1.260 Usui 2011PASJ...63.1117U NEATM
92.25 9.220 9.220 Ali-Lagoa 2018A&A...612A..85A NEATM
92.83 5.655 5.655 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
94.41 9.440 9.440 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.026 0.0030 0.0030 Masiero 2012ApJ...759L...8M NEATM
0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.036 0.0150 0.0240 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0063 0.0063 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.044 0.0054 0.0054 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.046 0.0040 0.0040 Tedesco 2002AJ....123.1056T STM
0.046 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.047 0.0050 0.0050 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.094 0.0107 0.0107 Ryan&Woodward 2010AJ....140..933R MSX-STM
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
9.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.9219 2 Sidereal De Angelis 1995P&SS...43..649D Model
5.9219 2 Sidereal Drummond 1988Icar...76...19D Model
5.9219 2 Sidereal Michalowski 1993Icar..106..563M Model
5.92192 2 Sidereal Drummond 1991Icar...89...44D Model
5.92199 2 Sidereal Durech 2023A&A...675A..24D Model
5.922 Synodic Chiorny LCDB Lightcurve
5.922 2 Sidereal Torppa 2003Icar..164..346T Model
5.922 2+ Synodic Chiorny 2007P&SS...55..986C Lightcurve
5.922 3 Synodic Alton 2019MPBu...46..114A Lightcurve
5.9223 2+ Synodic Behrend LCDB Lightcurve
5.923 3 Synodic Behrend LCDB Lightcurve
5.925 3 Synodic Weidenschilling 1987Icar...70..191W Lightcurve
5.925 3 Synodic Zeigler 1984MPBu...11...21Z Lightcurve
5.925 3 Synodic Zeigler 1985Icar...62..512Z Lightcurve
5.933 Synodic Hainaut Rouelle 1995A&AS..112..125H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
P 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC