Ryouichiirie

1975 LZ, 1975LZ, 1989 SL6, 1989SL6, 1992 GC, 1992GC, 1998 VT21, 1998VT21, 46580, J75L00Z, J89S06L, J92G00C, J98V21T

All data for this body: [vot]

MPC data
Name (number) Ryouichiirie (46580)
a 2.66218
e 0.13166
i / sin(i) 13.6257 / 0.23558
q 2.31167
Q 3.01269
ω 231.2975
Node 26.9582
m 177.0849
n 0.2269
Epoch 2460800.5
nobs 2644
nopp 24
Years observed 1975-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.660
ep 0.141
sin(ip) 0.230
G 0.150
H 13.940
Mass
D 4.28 0.123
pV 0.167 0.0423
Value
Rotational Period 316.000
Period quality 2
Spectral Class S
Spectral Class Score 9.035
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6600 0.1414 0.2303 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.28 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0423 0.0423 Masiero 2011ApJ...741...68M 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
13.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
316.3 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.81 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9025 0.9025 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT