(141484) 2002 DB4

(2002 DB4 )

Discovery Circumstances:

LONEOS - Lowell Observatory-LONEOS

26 Feb 2002

(1)

Orbital Type:

AT

(*)

Taxonomic Type:

S,S-

( 2)( 3)

Albedo:

-

-

Diameter:(km)

1.6 - 3.5 km

($)

H:(mag)

16.40

(#)

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. 2002-E08

(002) Michelsen, R. et al. (2006) Astron. Astrophys. 451, 331-337. (Spectroscopy of near-Earth asteroids) (2329,2002AG29,4957,35107,2002NY31,1917,25916,2002QE15,2002DB4,2002TB58,1978CA,4954)

(003) Lazzarin, M., Marchi,S. & Magrin, S. (2010) SINEO Database (Spectroscopic Investiation of Near-Earth Objects)

(004) Michelsen, R. et al. (2006) Astron. Astrophys. 451, 331-337. (Spectroscopy of near-Earth asteroids) (2329,2002AG29,4957,35107,2002NY31,1917,25916,2002QE15,2002DB4,2002TB58,1978CA,4954)

(005) Lazzarin, M., Marchi,S. & Magrin, S. (2010) SINEO Database (Spectroscopic Investiation of Near-Earth Objects)


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