1998 SQ109

1998SQ109, 74269, J98SA9Q

All data for this body: [vot]

MPC data
Name (number) 1998 SQ109 (74269)
a 2.53476
e 0.18895
i / sin(i) 5.6835 / 0.09903
q 2.05583
Q 3.01370
ω 180.4106
Node 247.5963
m 176.7087
n 0.2442
Epoch 2460800.5
nobs 2549
nopp 18
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.531
ep 0.180
sin(ip) 0.112
G 0.150
H 14.730
Mass
D 2.69 0.445
pV 0.386 0.1513
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5314 0.1802 0.1121 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.69 0.445 0.445 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.386 0.1513 0.1513 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
14.73 MPC-2023-12-04 MPC-2023-12-04 Phot