1989 CH

1989CH, 1994 EX3, 1994EX3, 29156, J89C00H, J94E03X

All data for this body: [vot]

MPC data
Name (number) 1989 CH (29156)
a 2.84802
e 0.20403
i / sin(i) 16.1142 / 0.27755
q 2.26695
Q 3.42910
ω 19.2268
Node 136.3887
m 181.6304
n 0.2051
Epoch 2460800.5
nobs 3222
nopp 24
Years observed 1989-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.844
ep 0.266
sin(ip) 0.252
G 0.150
H 13.260
Mass
D 7.06 0.413
pV 0.295 0.0697
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.986
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8437 0.2662 0.2522 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.06 0.413 0.413 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0697 0.0697 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
13.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.831 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT