1997 EW4

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

All data for this body: [vot]

MPC data
Name (number) 1997 EW4 (42582)
a 2.74555
e 0.08218
i / sin(i) 5.1225 / 0.08929
q 2.51993
Q 2.97117
ω 229.9329
Node 7.2101
m 17.0986
n 0.2167
Epoch 2460800.5
nobs 1319
nopp 24
Years observed 1990-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.746
ep 0.109
sin(ip) 0.090
G 0.150
H 15.200
Mass
D 4.10 0.223
pV 0.096 0.0191
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 2.902
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-Nov-2024
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
15.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4836 0.4836 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT