1999 DA4

1999DA4, G4781, J99D04A

All data for this body: [vot]

MPC data
Name (number) 1999 DA4 (164781)
a 3.01245
e 0.22781
i / sin(i) 1.5727 / 0.02745
q 2.32618
Q 3.69873
ω 18.9884
Node 123.8300
m 269.2851
n 0.1885
Epoch 2460200.5
nobs 415
nopp 15
Years observed 1992-2023
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.000
ep 0.264
sin(ip) 0.013
Value Standard error
G 0.150
H 16.140
Mass
D 2.83 0.511
pV 0.088 0.0254
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0001 0.2641 0.0127 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.83 0.511 0.511 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.088 0.0254 0.0254 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
16.14 MPC-2023-12-04 MPC-2023-12-04 Phot