2001SO20

D9978, K01S20O

All data for this body: [vot]

MPC data
Name (number) 2001SO20 (139978)
Packed designation D9978
a 2.78350
e 0.14788
i / sin(i) 2.0659 / 0.03605
q 2.37188
Q 3.19512
ω 310.2408
Node 51.0428
m 144.8151
n 0.2122
Epoch 2459600.5
nobs 469
nopp 15
Years observed 1992-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.782
ep 0.112
sin(ip) 0.025
Value Standard error
G 0.150
H 16.010
Mass
D 3.93 0.100
pV 0.055 0.0092
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7818 0.1122 0.0253 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.93 0.100 0.100 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0092 0.0092 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.01 MPC-2022-01-18 MPC-2022-01-18 Phot