(137805) 1999 YK5

(1999 YK5 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

28 Dec 1999

(1)

Orbital Type:

AT

(*)

Taxonomic Type:

X;RQ

( 2)( 3)

Albedo:

0.027

( 4)( 5)( 6)

Diameter:(km)

3.879 km

( 7)( 8)

H:(mag)

16.60

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

0.91

( 9)

V-R:(mag)

0.39

(10)

R-I:(mag)

-

-

Rotation Period:(hrs)

3.930

(11)(12)

Quality:

3 !

(11)(12)

Lightcurve Amplitude:(mag)

0.13

(11)(12)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

(13)

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

( 1) M.P.E.C. 1999-Y33

(002) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.)

(003) Ye, Q. (2011) Astron. J. 141, 32. (BVRI photometry of 53 unusual asteroids) (35 NEAs)

(004) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(005) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs)

(006) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs)

(007) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(008) Binzel, R.P. et al. (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 255-271. (Physical Properties of NEOs)

(009) Ye, Q. (2011) Astron. J. 141, 32. (BVRI photometry of 53 unusual asteroids) (35 NEAs)

(010) Ye, Q. (2011) Astron. J. 141, 32. (BVRI photometry of 53 unusual asteroids) (35 NEAs)

(011) Warner, B.D. (2016) MPB 43, 240-250. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2016 JANUARY-APRIL)(38NEAs)

(012) 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)

(013) Binzel, R.P. et al. (2001) Icarus 151,139-149. (Spectral Properties of Near-Earth Objects: Palomar and IRTF Results for 48 Objects Including Spacecraft Targets (9969) Braille and (10302) 1989 ML)


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