(136849) 1998 CS1

(1998 CS1 )

Discovery Circumstances:

Beijing Schmidt CCD Asteroid Program - Peking Observatory, Xinglong Station

9 Feb 1998

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Sa

( 2)

Albedo:

-

-

Diameter:(km)

868 - 1942 m

($)

H:(mag)

17.70

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

2.765

( 3)( 4)( 5)( 6)

Quality:

2R !

( 3)( 4)( 5)( 6)

Lightcurve Amplitude:(mag)

0.2

( 3)( 4)( 5)( 6)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

( 7)( 8)

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.

R - as rotation quality code means Radar observations

References

( 1) M.P.E.C. 1998-C27

(002) Somers, J.M. et al. (2010) DPS 42, 1316. (abstract) (Optical Characterization Of Planetary Radar Targets, Low-deltaV, And Potentially Hazardous Asteroids: Results From 2009-2010)

(003) Ye, Q. (2010) MPB 37, 75. (REVISION: PHOTOMETRIC OBSERVATIONS AND LIGHTCURVE ANALYSIS OF NEAR-EARTH ASTEROIDS (136849) 1998 CS1, 2006 SZ217, AND 2008 UE7)

(004) Ye, Q. et al. (2009) MPB 36, 180-181. (PHOTOMETRIC OBSERVATIONS AND LIGHTCURVE ANALYSIS OF NEAR-EARTH ASTEROIDS (136849) 1998 CS1, 2006 SZ217, AND 2008 UE7)

(005) Ye, Q. (2010) MPB 37, 75. (Revision: Photometric Observations and Lightcurve Analysis of Near-Earth Asteroids (136849) 1998 CS1, 2006 SZ217, and 2008 UE7)

(006) Skiff, B.A. et al. (2012) MPB 39, 111-130. (LOWELL OBSERVATORY NEAR-EARTH ASTEROID PHOTOMETRIC SURVEY (NEAPS) - 2008 MAY THROUGH 2008 DECEMBER) (46 NEAs)

(007) JPL's NEO Radar Detection Program Webpage

(008) Benner, L.A.M. et al. (2009) DPS 41, 4309. (Arecibo and Goldstone Radar Images of Near-Earth Asteroid (136849) 1998 CS1)


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