4430T-3

1997XU11, 2000RE68, 20957, J97X11U, K00R68E, T-34430, T3S4430

All data for this body: [vot]

MPC data
Name (number) 4430T-3 (20957)
Packed designation 20957
a 2.23076
e 0.10828
i / sin(i) 3.9540 / 0.06896
q 1.98922
Q 2.47230
ω 310.6051
Node 75.1208
m 98.7603
n 0.2958
Epoch 2459600.5
nobs 1765
nopp 19
Years observed 1977-2022
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.230
ep 0.084
sin(ip) 0.058
Value Standard error
G 0.150
H 15.230
Mass
D 2.34 0.429
pV 0.323 0.1056
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2304 0.0844 0.0576 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.34 0.429 0.429 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.323 0.1056 0.1056 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.23 MPC-2022-01-18 MPC-2022-01-18 Phot