Jostjahn

10340, 1981 RH7, 1981RH7, 1991 RT40, 1991RT40, J81R07H, J91R40T

All data for this body: [vot]

MPC data
Name (number) Jostjahn (10340)
a 2.87848
e 0.03957
i / sin(i) 2.3455 / 0.04093
q 2.76458
Q 2.99238
ω 260.5735
Node 32.2629
m 22.3120
n 0.2018
Epoch 2460800.5
nobs 4273
nopp 29
Years observed 1955-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.879
ep 0.044
sin(ip) 0.037
G 0.150
H 13.280
Mass
D 6.97 0.255
pV 0.229 0.0451
Value
Rotational Period 26.340
Period quality 2-
Spectral Class X
Spectral Class Score 1.602
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8787 0.0442 0.0370 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.97 0.255 0.255 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0451 0.0451 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
13.28 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
26.343 2- Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.267 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT