( 31210) 1998 BX7

(1998 BX7 )

Discovery Circumstances:

NEAT - Haleakala-NEAT/GEODSS

24 Jan 1998

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

Sq

( 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)( 6)

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. 1998-B27

(002) Lazzarin, M. et al. (2004) Icarus 169, 373-384. (Visible and near-infrared spectroscopic investigation of near-Earth objects at ESO: first results)

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

(004) Lazzarin, M. et al. (2004) Icarus 169, 373-384. (Visible and near-infrared spectroscopic investigation of near-Earth objects at ESO: first results)

(005) 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.)

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


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