Ryomichico

08304, 1991 EE5, 1991EE5, 1995 DJ1, 1995DJ1, J91E05E, J95D01J

All data for this body: [vot]

MPC data
Name (number) Ryomichico (8304)
a 2.46109
e 0.13918
i / sin(i) 1.9614 / 0.03423
q 2.11855
Q 2.80363
ω 305.4855
Node 310.7142
m 220.3249
n 0.2553
Epoch 2460800.5
nobs 3254
nopp 25
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.458
ep 0.152
sin(ip) 0.049
G 0.150
H 13.980
Mass
D 4.88 0.067
pV 0.246 0.0246
Value
Rotational Period 14.630
Period quality 2-
Spectral Class S
Spectral Class Score 11.330
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4579 0.1524 0.0491 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.88 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.246 0.0246 0.0246 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
13.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.631 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
14.6337 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 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8964 0.8964 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT