(138971) 2001 CB21

(2001 CB21 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

2 Feb 2001

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

-

-

Albedo:

0.24

( 2)( 3)

Diameter:(km)

0.578 km

( 4)( 5)

H:(mag)

18.710

( 6)

G:

0.24

( 7)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

3.3020

( 8)( 9)

Quality:

2 !

( 8)( 9)

Lightcurve Amplitude:(mag)

0.19

( 8)( 9)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

(10)

Spectral Observations:

-

-

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

! - quality code according to Lagerkvist et al. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1162-1179.

References

( 1) M.P.E.C. 2001-C18

(002) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS)

(003) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs)

(004) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS)

(005) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs)

(006) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations)

(007) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations)

(008) Galad, A. et al. (2005) Earth, Moon and Planets 97, 147-163. (Joint lightcurve observations of 10 near-Earth asteroids from Modra and Ondrejov) (3553,22753,31669,40267,66146,88188,103067,1001CB21,2004LJ1,2004XO14,)

(009) Petr Pravec's Ondrejov NEO Photometric Program Webpage "Prepublished Periods"

(010) JPL's NEO Radar Detection Program Webpage


NEODyS Page of (138971) 2001 CB21