Jaschek

02964, 1974 OA1, 1974OA1, 1981 EE5, 1981EE5, J74O01A, J81E05E

All data for this body: [vot]

MPC data
Name (number) Jaschek (2964)
a 2.59343
e 0.19742
i / sin(i) 13.5773 / 0.23476
q 2.08143
Q 3.10543
ω 59.9228
Node 330.4738
m 340.7068
n 0.2360
Epoch 2460800.5
nobs 9209
nopp 28
Years observed 1974-2025
rms 0.43
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.594
ep 0.160
sin(ip) 0.249
G 0.150
H 12.980
Mass
D 7.94 0.298
pV 0.369 0.0380
Value
Rotational Period 12.500
Period quality 3-
Spectral Class S
Spectral Class Score 9.120
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5935 0.1595 0.2490 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.94 0.298 0.298 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.369 0.0380 0.0380 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
12.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.53 3- Synodic Warner 2005MPBu...32...29W Lightcurve
12.6039 2 Synodic Pal 2020ApJS..247...26P Lightcurve
12.606 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
12.619 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
13.63 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5200 0.5200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT