1998 SE20

1998SE20, 69842, J98S20E

All data for this body: [vot]

MPC data
Name (number) 1998 SE20 (69842)
a 3.00544
e 0.11107
i / sin(i) 8.4275 / 0.14656
q 2.67162
Q 3.33927
ω 211.6583
Node 176.9632
m 9.9770
n 0.1892
Epoch 2460800.5
nobs 968
nopp 21
Years observed 1998-2024
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.006
ep 0.081
sin(ip) 0.143
G 0.150
H 15.070
Mass
D 5.87 0.208
pV 0.043 0.0059
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.610
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0058 0.0810 0.1429 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.87 0.208 0.208 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0059 0.0059 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
15.07 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 0.935 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT