Hermia

00685, 1909 PC, 1909PC, J09P00C

All data for this body: [vot]

MPC data
Name (number) Hermia (685)
a 2.23525
e 0.19721
i / sin(i) 3.6486 / 0.06364
q 1.79443
Q 2.67608
ω 80.7661
Node 235.1648
m 227.5066
n 0.2949
Epoch 2460800.5
nobs 7784
nopp 38
Years observed 1909-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.236
ep 0.146
sin(ip) 0.082
G 0.150
H 12.050
Mass
D 11.41 0.200
pV 0.264 0.0337
Value
Rotational Period 50.000
Period quality 3
Spectral Class S
Spectral Class Score 20.941
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.7300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2359 0.1465 0.0820 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.49 1.050 1.050 Ali-Lagoa 2018A&A...612A..85A NEATM
10.95 0.900 0.900 Tedesco 2002AJ....123.1056T STM
11.46 0.210 0.210 Usui 2011PASJ...63.1117U NEATM
12.78 2.560 2.560 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.191 0.0760 0.0760 Ali-Lagoa 2018A&A...612A..85A NEATM
0.281 0.0500 0.0500 Tedesco 2002AJ....123.1056T STM
0.284 0.0570 0.0570 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
12.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
50.387 2 Sidereal Hanus 2011A&A...530A.134H Model
50.4 3 Synodic Behrend LCDB Lightcurve
50.4 3 Synodic Kryszczynska 2012A&A...546A..72K Lightcurve
50.418 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
50.44 3- Synodic Stephens 2007MPBu...34...14S 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 Lazzaro 2004Icar..172..179L SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.9985 0.7090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT