( 12538) 1998 OH

(1998 OH )

Discovery Circumstances:

NEAT - Haleakala-NEAT/GEODSS

19 Jul 1998

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

S:

( 2)

Albedo:

-

-

Diameter:(km)

2.1 - 4.7 km

($)

H:(mag)

15.80

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

Spin Vector:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

( 3)

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-O16

( 2) 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.)

( 3) 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.)

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