Erichthonios

09430, 1978 WL9, 1978WL9, 1996 HU10, 1996HU10, 1998 MC43, 1998MC43, J78W09L, J96H10U, J98M43C

All data for this body: [vot]

MPC data
Name (number) Erichthonios (9430)
a 5.25376
e 0.05330
i / sin(i) 1.0028 / 0.01750
q 4.97372
Q 5.53381
ω 311.4002
Node 326.3977
m 90.4597
n 0.0818
Epoch 2460800.5
nobs 2340
nopp 29
Years observed 1978-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 11.430
Mass
D 27.07 0.263
pV 0.083 0.0088
Value
Rotational Period 26.260
Period quality 2
Spectral Class D
Spectral Class Score 22.110
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
24.92 0.630 0.630 Grav 2011ApJ...742...40G NEATM
27.53 0.290 0.290 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0100 0.0100 Grav 2012ApJ...759...49G NEATM
0.103 0.0190 0.0190 Grav 2011ApJ...742...40G 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
11.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.168 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
26.236 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
26.264 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Dahlgren-Lagerkvist VIS Fornasier 2004Icar..172..221F SPEC
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.55 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.7780 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.8653 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D L 0.830000 0.140000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT