(451397) 2011 EZ78

(2011 EZ78 )

Discovery Circumstances:

Mt. Lemmon Survey - Mt. Lemmon Survey

15 Mar 2011

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

Sq

( 2)

Albedo:

-

-

Diameter:(km)

1.1 - 2.4 km

($)

H:(mag)

17.20

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

3.115

( 3)

Quality:

3B~ !

( 3)

Lightcurve Amplitude:(mag)

0.45

( 3)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

( 4)

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

! - 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.

B - in rotation quality code means Binary asteroid

References

( 1) M.P.E.C. 2011-G88

(002) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs)

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

(004) JPL's NEO Radar Detection Program Webpage


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