1990 SA7

1990SA7, 17454, 1997 YJ1, 1997YJ1, 1999 FN29, 1999FN29, J90S07A, J97Y01J, J99F29N

All data for this body: [vot]

MPC data
Name (number) 1990 SA7 (17454)
a 2.23006
e 0.07288
i / sin(i) 7.3208 / 0.12743
q 2.06753
Q 2.39258
ω 196.5803
Node 40.9363
m 261.7219
n 0.2960
Epoch 2460800.5
nobs 2052
nopp 19
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.230
ep 0.108
sin(ip) 0.121
G 0.150
H 15.340
Mass
D 2.13 0.488
pV 0.387 0.0970
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 2.584
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2300 0.1080 0.1215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.13 0.488 0.488 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.387 0.0970 0.0970 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
15.34 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
QV 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V V 0.0973 0.0973 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT