( 11885) Summanus

(1990 SS )

Discovery Circumstances:

Spacewatch - Steward Observatory, Kitt Peak-Spacewatch

25 Sep 1990

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

-

-

Albedo:

0.372

( 2)

Diameter:(km)

0.8 km

( 3)

H:(mag)

18.50

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

7.358

( 4)

Quality:

3- !

( 4)

Lightcurve Amplitude:(mag)

0.18

( 4)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

# - 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

(001) I.A.U.Circ. 5106

(002) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.

(003) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.

(004) Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html


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