1997 AP2

1997AP2, 1999 RL190, 1999RL190, 39738, J97A02P, J99RJ0L

All data for this body: [vot]

MPC data
Name (number) 1997 AP2 (39738)
a 2.57192
e 0.09466
i / sin(i) 4.6984 / 0.08191
q 2.32847
Q 2.81537
ω 333.4880
Node 132.7647
m 326.9341
n 0.2390
Epoch 2460800.5
nobs 1664
nopp 20
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.571
ep 0.151
sin(ip) 0.068
G 0.150
H 15.170
Mass
D 2.58 0.291
pV 0.388 0.0739
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5714 0.1509 0.0684 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.55 0.342 0.342 Masiero 2011ApJ...741...68M NEATM
2.67 0.555 0.555 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.359 0.2055 0.2055 Masiero 2011ApJ...741...68M NEATM
0.393 0.0792 0.0792 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
15.17 MPC-2023-12-04 MPC-2023-12-04 Phot