Hekate

00100, 1868 NA, 1868NA, 1955 QA, 1955QA, I68N00A, J55Q00A

All data for this body: [vot]

MPC data
Name (number) Hekate (100)
a 3.09004
e 0.16799
i / sin(i) 6.4307 / 0.11200
q 2.57094
Q 3.60915
ω 183.6021
Node 127.1599
m 286.9128
n 0.1815
Epoch 2460800.5
nobs 7966
nopp 83
Years observed 1871-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.095
ep 0.150
sin(ip) 0.091
G 0.150
H 7.750
Mass 8.794e+17 2.934e+17
D 88.44 0.765
pV 0.195 0.0050
Value
Rotational Period 27.060
Period quality 3
Spectral Class S
Spectral Class Score 33.000
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
3.0946 0.1501 0.0913 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.3986e+17 4.1488e+17 4.1488e+17 Fienga INPOP19a Ephem
9.1900e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
83.70 2.580 2.580 Masiero 2012ApJ...759L...8M NEATM
85.73 1.960 1.960 Masiero 2014ApJ...791..121M NEATM
88.52 1.460 1.460 Usui 2011PASJ...63.1117U NEATM
88.66 2.000 2.000 Tedesco 2002AJ....123.1056T STM
88.87 8.890 8.890 Ali-Lagoa 2018A&A...612A..85A NEATM
89.81 3.538 3.538 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
90.13 2.269 2.269 Ryan&Woodward 2010AJ....140..933R IRAS-STM
91.42 1.854 1.854 Masiero 2011ApJ...741...68M NEATM
93.80 18.760 18.760 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.181 0.0398 0.0398 Masiero 2011ApJ...741...68M NEATM
0.186 0.0095 0.0095 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.188 0.0148 0.0148 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.192 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.195 0.0780 0.0780 Ali-Lagoa 2018A&A...612A..85A NEATM
0.210 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.216 0.0480 0.0480 Masiero 2012ApJ...759L...8M NEATM
0.218 0.0440 0.0440 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
7.75 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.0 1 Synodic Tedesco LCDB Lightcurve
13.333 2 Synodic Gil 1990RMxAA..21..593G Lightcurve
27.06 2 Synodic Behrend LCDB Lightcurve
27.066 3 Synodic Galad 2009MPBu...36..116G Lightcurve
27.068 3- 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
K 0.532 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC