2001 AJ31

2001AJ31, 72251, K01A31J

All data for this body: [vot]

MPC data
Name (number) 2001 AJ31 (72251)
a 2.55152
e 0.15038
i / sin(i) 11.5631 / 0.20045
q 2.16784
Q 2.93520
ω 144.9113
Node 73.1109
m 102.0472
n 0.2418
Epoch 2460200.5
nobs 1994
nopp 19
Years observed 1999-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.553
ep 0.184
sin(ip) 0.182
Value Standard error
G 0.150
H 14.520
Mass
D 3.41 0.076
pV 0.269 0.0310
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5530 0.1844 0.1824 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.24 0.183 0.183 Masiero 2011ApJ...741...68M NEATM
3.44 0.083 0.083 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.259 0.0371 0.0371 Masiero 2011ApJ...741...68M NEATM
0.293 0.0563 0.0563 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
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot