Hercynia

00458, 1900 SD, 1900SD, 1902 CA, 1902CA, 1915 PD, 1915PD, 1947 XB, 1947XB, 2016 FW5, 2016FW5, J00S00D, J02C00A, J15P00D, J47X00B, K16F05W

All data for this body: [vot]

MPC data
Name (number) Hercynia (458)
a 2.99102
e 0.24328
i / sin(i) 12.6581 / 0.21913
q 2.26337
Q 3.71868
ω 277.3432
Node 134.1046
m 350.8548
n 0.1905
Epoch 2460800.5
nobs 8416
nopp 47
Years observed 1900-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.993
ep 0.205
sin(ip) 0.215
G 0.150
H 9.770
Mass
D 38.05 0.300
pV 0.157 0.0056
Value
Rotational Period 21.800
Period quality 3
Spectral Class L
Spectral Class Score 39.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9930 0.2048 0.2155 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.70 7.940 7.940 Nugent 2016AJ....152...63N NEATM
36.10 0.850 0.850 Masiero 2012ApJ...759L...8M NEATM
36.70 0.410 0.410 Masiero 2014ApJ...791..121M NEATM
38.75 1.000 1.000 Tedesco 2002AJ....123.1056T STM
39.50 7.900 7.900 Ali-Lagoa 2018A&A...612A..85A NEATM
40.53 1.251 1.251 Ryan&Woodward 2010AJ....140..933R IRAS-STM
41.41 1.172 1.172 Masiero 2011ApJ...741...68M NEATM
41.55 8.310 8.310 Ali-Lagoa 2018A&A...612A..85A NEATM
42.27 0.920 0.920 Usui 2011PASJ...63.1117U NEATM
42.63 2.338 2.338 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
50.05 10.010 10.010 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.110 0.0440 0.0440 Ali-Lagoa 2018A&A...612A..85A NEATM
0.138 0.0157 0.0157 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.143 0.0205 0.0205 Masiero 2011ApJ...741...68M NEATM
0.151 0.0094 0.0094 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.159 0.0640 0.0640 Ali-Lagoa 2018A&A...612A..85A NEATM
0.165 0.0090 0.0090 Tedesco 2002AJ....123.1056T STM
0.176 0.0700 0.0700 Ali-Lagoa 2018A&A...612A..85A NEATM
0.190 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.191 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM
0.420 0.0700 0.0700 Masiero 2014ApJ...791..121M 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
9.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.33 2 Synodic Hawkins 2008MPBu...35....1H Lightcurve
16.0 2- Synodic Behrend LCDB Lightcurve
16.0 2- Synodic Behrend LCDB Lightcurve
21.8 2- Synodic Devogele 2017A&A...607A.119D Lightcurve
21.806 3 Synodic Aznar 2016MPBu...43..257A Lightcurve
21.81 3- Synodic Devogele 2017A&A...607A.119D Lightcurve
21.8136 2 Sidereal Durech 2018A&A...617A..57D Model
22.3 2 Synodic Binzel 1987Icar...72..135B Lightcurve
22.41 2 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
L Bus-DeMeo VISNIR Devogele 2018Icar..304...31D SPEC
L Bus VIS Bus 2002Icar..158..146B SPEC
L 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
M L 0.750000 0.130000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S K Tholen VIS Clark 1995Icar..113..387C PHOT