(168378) 1997 ET30

(1997 ET30 = 1991 GY6 = 1991 HF3 )

Discovery Circumstances:

Spacewatch - Steward Observatory, Kitt Peak-Spacewatch

12 Mar 1997

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

-

-

Albedo:

-

-

Diameter:(km)

1.3 - 2.8 km

($)

H:(mag)

16.90

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

5.721

( 2)

Quality:

3 !

( 2)

Lightcurve Amplitude:(mag)

0.13

( 2)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

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

! - quality code according to Lagerkvist et al. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1162-1179.

References

( 1) M.P.E.C. 1997-F05

(002) Warner, B.D. (2014) MPB 41,41-47. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2013 JUNE-SEPTEMBER) (1627,9950,11405,24445,152664,168378,329437,350988,361071,368664,2006EE1,2013OM9,2013QJ10)


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