Gyoda

05138, 1957 VB, 1957VB, 1987 HX, 1987HX, 1990 VD2, 1990VD2, J57V00B, J87H00X, J90V02D

All data for this body: [vot]

MPC data
Name (number) Gyoda (5138)
a 3.10597
e 0.16223
i / sin(i) 0.8104 / 0.01414
q 2.60209
Q 3.60984
ω 261.2020
Node 193.2027
m 86.5357
n 0.1801
Epoch 2460800.5
nobs 4146
nopp 29
Years observed 1951-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.103
ep 0.167
sin(ip) 0.026
G 0.150
H 12.720
Mass
D 14.78 0.545
pV 0.169 0.0184
Value
Rotational Period 8.415
Period quality 2
Spectral Class C
Spectral Class Score 6.647
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1033 0.1668 0.0264 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.78 0.545 0.545 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.169 0.0184 0.0184 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
12.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.415 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
8.41555 2 Sidereal Durech 2019A&A...631A...2D Model
8.4159 2 Sidereal Durech 2018A&A...620A..91D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.84 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.8278 0.8278 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.666 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT