Gokumenon

07564, 1982 YD2, 1982YD2, 1988 CA, 1988CA, 1990 RK10, 1990RK10, J82Y02D, J88C00A, J90R10K

All data for this body: [vot]

MPC data
Name (number) Gokumenon (7564)
a 2.76818
e 0.20016
i / sin(i) 10.8427 / 0.18811
q 2.21410
Q 3.32226
ω 350.6472
Node 156.8938
m 22.6533
n 0.2140
Epoch 2460800.5
nobs 4510
nopp 29
Years observed 1953-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.768
ep 0.244
sin(ip) 0.171
G 0.150
H 12.880
Mass
D 8.53 0.360
pV 0.221 0.0450
Value
Rotational Period 30.500
Period quality 3
Spectral Class S
Spectral Class Score 17.144
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7675 0.2439 0.1714 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.53 0.360 0.360 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.221 0.0450 0.0450 Masiero 2012ApJ...759L...8M 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
12.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
30.58 3 Synodic Cooney 2002MPBu...29...78C Lightcurve
30.589 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
LS 0.51 Bus VIS Carvano 2010A&A...510A..43C PHOT
S Bus VIS Bus 2002Icar..158..146B SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.910000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.9324 0.9324 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT