2002 AT4

(2002 AT4 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

8 Jan 2002

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

D

( 2)

Albedo:

-

-

Diameter:(km)

170 - 380 m

($)

H:(mag)

21.20

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

Spin Vector:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

( 3)

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

$ - diameter range derived from H and assumed albedo for C and S type' - 0.04 and 0.20 respectively

# - absolute magnitude H derived from astrometric observation via orbit determination - G value assumed to be 0.15

References

( 1) M.P.E.C. 2002-A53

( 2) Binzel, R.P. et al. (2004) Meteorit. Planet. Sci. 39, 351-366. (Dynamical and compositional assessment of near-Earth object mission targets) (new spectra and taxonomy of 22 NEOs)

( 3) Binzel, R.P. et al. (2004) Meteorit. Planet. Sci. 39, 351-366. (Dynamical and compositional assessment of near-Earth object mission targets) (new spectra and taxonomy of 22 NEOs)

NEODyS Page of 2002 AT4