( 54660) 2000 UJ1

(2000 UJ1 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

19 Oct 2000

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

S,Xk

( 2)( 3)( 4)

Albedo:

-

-

Diameter:(km)

756 - 1692 m

($)

H:(mag)

18.00

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

0.47

( 5)

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

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

References

( 1) M.P.E.C. 2000-U15

(002) Hicks, M. & K. Lawrence (2009) ATel#2323 (Planetary radar targets 1999 AP10, 2000 TO64, 2000 UJ1, and 2000 XK44: Four S-complex near-Earth asteroids)

(003) Hicks, M. et al. (2009) ATel#2283 (Long-slit CCD spectroscopy of planetary radar targets 1999 AP10, 2000 TO64, and 2000 UJ1)

(004) 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)

(005) Betzler, A. et al. (2010) MPB 37, 95-97. (Photometric Observations of the Near-Earth Asteroids 1999 AP10 2000 TO64, 2000 UJ1, 2000 XK44, 2001 MZ7, 2003 QO104, 2005 RQ6, 2005 WJ56, and 2009 UN3)

(006) JPL's NEO Radar Detection Program Webpage

(007) Hicks, M. & K. Lawrence (2009) ATel#2323 (Planetary radar targets 1999 AP10, 2000 TO64, 2000 UJ1, and 2000 XK44: Four S-complex near-Earth asteroids)

(008) Hicks, M. et al. (2009) ATel#2283 (Long-slit CCD spectroscopy of planetary radar targets 1999 AP10, 2000 TO64, and 2000 UJ1)


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