1997 EW4

1997EW4, 1999 TX204, 1999TX204, 42582, J97E04W, J99TK4X

All data for this body: [vot]

MPC data
Name (number) 1997 EW4 (42582)
a 2.74405
e 0.08188
i / sin(i) 5.1238 / 0.08931
q 2.51936
Q 2.96873
ω 230.2467
Node 7.2121
m 246.7425
n 0.2168
Epoch 2460200.5
nobs 1174
nopp 23
Years observed 1990-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.746
ep 0.109
sin(ip) 0.090
Value Standard error
G 0.150
H 15.180
Mass
D 4.10 0.223
pV 0.096 0.0191
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7458 0.1086 0.0905 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.10 0.223 0.223 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.096 0.0191 0.0191 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
15.18 MPC-2023-12-04 MPC-2023-12-04 Phot