1997 AN21

1997AN21, 11642, 1993 CY, 1993CY, J93C00Y, J97A21N

All data for this body: [vot]

MPC data
Name (number) 1997 AN21 (11642)
a 2.56752
e 0.13266
i / sin(i) 13.1969 / 0.22830
q 2.22691
Q 2.90813
ω 119.3119
Node 311.3569
m 212.8865
n 0.2396
Epoch 2460200.5
nobs 1947
nopp 21
Years observed 1993-2023
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.568
ep 0.133
sin(ip) 0.242
Value Standard error
G 0.150
H 14.050
Mass
D 4.77 0.246
pV 0.189 0.0229
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5684 0.1330 0.2416 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.57 0.307 0.307 Masiero 2011ApJ...741...68M NEATM
5.12 0.412 0.412 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.169 0.0311 0.0311 Masiero 2011ApJ...741...68M NEATM
0.212 0.0340 0.0340 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
14.05 MPC-2023-12-04 MPC-2023-12-04 Phot