1993 FR21

1993FR21, 1999 RJ69, 1999RJ69, 39582, J93F21R, J99R69J

All data for this body: [vot]

MPC data
Name (number) 1993 FR21 (39582)
a 2.72825
e 0.02525
i / sin(i) 5.4566 / 0.09509
q 2.65937
Q 2.79714
ω 119.1371
Node 4.8294
m 110.8194
n 0.2187
Epoch 2460800.5
nobs 1110
nopp 22
Years observed 1993-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.728
ep 0.057
sin(ip) 0.097
G 0.150
H 15.470
Mass
D 4.72 0.108
pV 0.060 0.0062
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7280 0.0565 0.0966 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.72 0.108 0.108 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0062 0.0062 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
15.47 MPC-2023-12-04 MPC-2023-12-04 Phot