(143381) 2003 BC21

(2003 BC21 )

Discovery Circumstances:

NEAT - Haleakala-AMOS

27 Jan 2003

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

S;Sr

( 2)( 3)

Albedo:

-

-

Diameter:(km)

1.9 - 4.3 km

($)

H:(mag)

16.00

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

( 4)( 5)

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. 2003-B39

(002) Sanchez, J.A. et al. (2013) Icarus 225, 131-140. (Surface composition and taxonomic classification of a group of near-Earth and Mars-crossing asteroids) (,4055,19764,89830,138404,143381,159609,164121,241662,2007ML13)

(003) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)

(004) Sanchez, J.A. et al. (2013) Icarus 225, 131-140. (Surface composition and taxonomic classification of a group of near-Earth and Mars-crossing asteroids) (,4055,19764,89830,138404,143381,159609,164121,241662,2007ML13)

(005) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)


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