1990 SN

1990SN, H8293, J90S00N

All data for this body: [vot]

MPC data
Name (number) 1990 SN (178293)
a 2.19211
e 0.31596
i / sin(i) 6.2127 / 0.10822
q 1.49949
Q 2.88473
ω 10.8488
Node 0.5067
m 236.3906
n 0.3037
Epoch 2460800.5
nobs 558
nopp 17
Years observed 1990-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.173
ep 0.275
sin(ip) 0.112
G 0.150
H 17.290
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.930
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1727 0.2749 0.1120 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
17.29 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 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC