Hecuba

00108, 1869 GB, 1869GB, I69G00B

All data for this body: [vot]

MPC data
Name (number) Hecuba (108)
a 3.23163
e 0.06314
i / sin(i) 4.2098 / 0.07341
q 3.02758
Q 3.43568
ω 213.2294
Node 349.7272
m 339.1495
n 0.1697
Epoch 2460800.5
nobs 5159
nopp 83
Years observed 1880-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.221
ep 0.106
sin(ip) 0.084
G 0.150
H 7.960
Mass
D 69.97 0.748
pV 0.179 0.0101
Value
Rotational Period 14.250
Period quality 3
Spectral Class Sw
Spectral Class Score 21.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2210 0.1062 0.0836 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
56.04 3.600 3.600 Ryan&Woodward 2010AJ....140..933R IRAS-STM
64.97 4.400 4.400 Tedesco 2002AJ....123.1056T STM
68.64 5.851 5.851 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
69.50 0.910 0.910 Usui 2011PASJ...63.1117U NEATM
72.07 7.210 7.210 Ali-Lagoa 2018A&A...612A..85A NEATM
72.51 3.110 3.110 Masiero 2012ApJ...759L...8M NEATM
74.65 7.470 7.470 Ali-Lagoa 2018A&A...612A..85A NEATM
75.50 1.891 1.891 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.148 0.0125 0.0125 Masiero 2011ApJ...741...68M NEATM
0.195 0.0400 0.0400 Masiero 2012ApJ...759L...8M NEATM
0.206 0.0410 0.0410 Ali-Lagoa 2018A&A...612A..85A NEATM
0.221 0.0440 0.0440 Ali-Lagoa 2018A&A...612A..85A NEATM
0.234 0.0435 0.0435 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.243 0.0370 0.0370 Tedesco 2002AJ....123.1056T STM
0.340 0.0460 0.0460 Ryan&Woodward 2010AJ....140..933R IRAS-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
7.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.256 3- Synodic Pilcher 2013MPBu...40..158P Lightcurve
14.257 3 Synodic Pilcher 2014MPBu...41..250P Lightcurve
14.2587 1 Synodic Wilawer 2022MNRAS.513.3242W Lightcurve
14.26 1+ Synodic Behrend LCDB Lightcurve
14.26 2 Synodic Behrend LCDB Lightcurve
14.281 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
14.46 1 Synodic Blanco 1994ASPC...63..280B Lightcurve
17.859 2 Synodic Warner 2007MPBu...34...72W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 0.757 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
SI Bus VIS Bus 2002Icar..158..146B SPEC
Sw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC