( 22771) 1999 CU3

(1999 CU3 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

10 Feb 1999

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Sl,S

( 2)( 3)

Albedo:

-

-

Diameter:(km)

1.3 - 2.9 km

($)

H:(mag)

16.80

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

3.7817

( 4)( 5)

Quality:

3 !

( 4)( 5)

Lightcurve Amplitude:(mag)

0.12-1.25

( 4)( 5)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

( 6)

Spectral Observations:

Y

( 7)( 8)

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.

References

( 1) M.P.E.C. 1999-C24

(002) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)

(003) 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)

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

(005) Warner, B.D. (2015) MPB 42, 172-183. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 JANUARY - MARCH)(35NEAs)

(006) JPL's NEO Radar Detection Program Webpage

(007) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)

(008) Gietzen, K.M. & C.H.S. Lacy (2007) LPSC 38, 1104. (Visible and near infrared spectra of main belt and near Earth asteroids) (1036,3908,7753,22771,54509,66251,68950,J99JV3,K03YQ117)


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