2001 FF4

2001FF4, 1999 XV210, 1999XV210, 42238, J99XL0V, K01F04F

All data for this body: [vot]

MPC data
Name (number) 2001 FF4 (42238)
a 2.53383
e 0.19278
i / sin(i) 16.4459 / 0.28311
q 2.04535
Q 3.02230
ω 204.9578
Node 50.6204
m 162.6534
n 0.2444
Epoch 2460200.5
nobs 1619
nopp 22
Years observed 1993-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.534
ep 0.221
sin(ip) 0.263
Value Standard error
G 0.150
H 14.800
Mass
D 3.13 0.274
pV 0.314 0.0526
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5339 0.2210 0.2626 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.13 0.274 0.274 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.314 0.0526 0.0526 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot