1998SY72

1990EX4, 28121, J90E04X, J98S72Y

All data for this body: [vot]

MPC data
Name (number) 1998SY72 (28121)
Packed designation 28121
a 2.23061
e 0.05599
i / sin(i) 6.3572 / 0.11073
q 2.10572
Q 2.35550
ω 33.3301
Node 176.3130
m 169.4096
n 0.2958
Epoch 2459600.5
nobs 2051
nopp 19
Years observed 1990-2021
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.231
ep 0.098
sin(ip) 0.115
Value Standard error
G 0.150
H 14.890
Mass
D 2.33 0.266
pV 0.566 0.1088
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2307 0.0982 0.1145 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.33 0.266 0.266 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.566 0.1088 0.1088 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
14.89 MPC-2022-01-18 MPC-2022-01-18 Phot