2010 GU21

(2010 GU21 )

Discovery Circumstances:

Catalina Sky Survey - Catalina Sky Survey

5 Apr 2010

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

X

( 2)

Albedo:

0.025

( 3)

Diameter:(km)

0.510 km

( 4)

H:(mag)

20.78

( 5)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

0.40

( 6)

R-I:(mag)

-

-

Rotation Period:(hrs)

4.326

( 7)

Quality:

3 !

( 7)

Lightcurve Amplitude:(mag)

0.3

( 7)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

( 8)

Spectral Observations:

-

-

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

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

! - 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. 2010-G55

(002) Somers, J.M. et al. (2010) DPS 42, 1316. (abstract) (Optical Characterization Of Planetary Radar Targets, Low-deltaV, And Potentially Hazardous Asteroids: Results From 2009-2010)

(003) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(004) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(005) Hicks, M. et al. (2010) ATel#2592 (Broadband Photometry of the Potentially Hazardous Asteroid 2010 GU21)

(006) Hicks, M. et al. (2010) ATel#2592 (Broadband Photometry of the Potentially Hazardous Asteroid 2010 GU21)

(007) Hicks, M. et al. (2010) ATel#2592 (Broadband Photometry of the Potentially Hazardous Asteroid 2010 GU21)

(008) JPL's NEO Radar Detection Program Webpage


NEODyS Page of 2010 GU21