1998YA5

1994RB21, 31391, J94R21B, J98Y05A

All data for this body: [vot]

MPC data
Name (number) 1998YA5 (31391)
Packed designation 31391
a 2.24206
e 0.04686
i / sin(i) 3.2340 / 0.05641
q 2.13699
Q 2.34713
ω 41.2331
Node 168.6775
m 184.4297
n 0.2936
Epoch 2459600.5
nobs 917
nopp 18
Years observed 1993-2021
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.243
ep 0.089
sin(ip) 0.062
Value Standard error
G 0.150
H 16.220
Mass
D 1.85 0.440
pV 0.206 0.1101
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2425 0.0887 0.0623 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.85 0.440 0.440 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.206 0.1101 0.1101 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
16.22 MPC-2022-01-18 MPC-2022-01-18 Phot