1999 AF4

(1999 AF4 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

9 Jan 1999

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

C

( 2)( 3)

Albedo:

-

-

Diameter:(km)

601 - 1344 m

($)

H:(mag)

18.50

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

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. 1999-A20

(002) DeMeo, F. & R.P. Binzel (2008) Icarus 194, 436-449. (Comets in the near-Earth object population) ()

(003) Weissman, P.R. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 669-686. (Evolution of Comets into Asteroids)


NEODyS Page of 1999 AF4