1989ST4

1998RJ80, 23459, J89S04T, J98R80J

All data for this body: [vot]

MPC data
Name (number) 1989ST4 (23459)
Packed designation 23459
a 2.74283
e 0.07933
i / sin(i) 6.5523 / 0.11411
q 2.52524
Q 2.96042
ω 229.3145
Node 47.1226
m 132.7477
n 0.2170
Epoch 2459600.5
nobs 1871
nopp 21
Years observed 1989-2022
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.744
ep 0.088
sin(ip) 0.103
Value Standard error
G 0.150
H 13.950
Mass
D 9.05 0.084
pV 0.068 0.0078
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7442 0.0883 0.1030 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.05 0.084 0.084 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0078 0.0078 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
13.95 MPC-2022-01-18 MPC-2022-01-18 Phot