Hersilia

00206, 1879 TC, 1879TC, 1961 WG, 1961WG, 1974 PM, 1974PM, I79T00C, J61W00G, J74P00M

All data for this body: [vot]

MPC data
Name (number) Hersilia (206)
a 2.74013
e 0.04024
i / sin(i) 3.7801 / 0.06593
q 2.62986
Q 2.85039
ω 302.5900
Node 145.0232
m 321.2497
n 0.2173
Epoch 2460800.5
nobs 10364
nopp 71
Years observed 1879-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.741
ep 0.050
sin(ip) 0.055
G 0.150
H 8.940
Mass 1.093e+18 4.767e+17
D 96.75 0.628
pV 0.061 0.0034
Value
Rotational Period 11.120
Period quality 3
Spectral Class C
Spectral Class Score 50.495
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7407 0.0496 0.0553 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.3950e+18 6.7417e+17 6.7417e+17 Fienga INPOP19a Ephem
7.9200e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
101.72 5.178 5.178 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
102.60 2.020 2.020 Masiero 2014ApJ...791..121M NEATM
104.57 3.391 3.391 Masiero 2011ApJ...741...68M NEATM
111.01 11.100 11.100 Ali-Lagoa 2018A&A...612A..85A NEATM
77.22 26.130 26.130 Nugent 2016AJ....152...63N NEATM
86.32 24.200 24.200 Nugent 2016AJ....152...63N NEATM
90.42 4.298 4.298 Ryan&Woodward 2010AJ....140..933R MSX-STM
92.53 9.250 9.250 Ali-Lagoa 2018A&A...612A..85A NEATM
93.93 0.940 0.940 Usui 2011PASJ...63.1117U NEATM
98.02 1.020 1.020 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0084 0.0084 Masiero 2011ApJ...741...68M NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.060 0.0058 0.0058 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.062 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.076 0.0097 0.0097 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.080 0.0800 0.0800 Nugent 2016AJ....152...63N 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
8.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.11 3 Synodic Willis 2004MPBu...31...82W Lightcurve
11.11129 2 Sidereal Durech 2019A&A...631A...2D Model
11.112 3 Synodic Franco 2022MPBu...49..200F Lightcurve
11.113 3 Synodic Pilcher 2020MPBu...47...34P Lightcurve
11.122 3 Synodic Behrend LCDB Lightcurve
11.135 3 Synodic Behrend LCDB Lightcurve
7.33 1 Synodic Shevchenko 1992Icar..100..295S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
B B 0.9780 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C Bus VIS Bus 2002Icar..158..146B SPEC
C Bus VIS Fornasier 2014Icar..233..163F SPEC
C Tholen VIS Fornasier 2014Icar..233..163F SPEC
C B 0.7080 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.9995 0.3360 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C P 0.850000 0.110000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 0.980 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT