(136993) 1998 ST49

(1998 ST49 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

29 Sep 1998

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Xe;Q

( 2)( 3)( 4)

Albedo:

mh

( 5)

Diameter:(km)

0.9 km

( 6)

H:(mag)

17.81

( 7)

G:

0.18

( 8)

U-B:(mag)

-

-

B-V:(mag)

0.75

( 9)

V-R:(mag)

0.44

(10)

R-I:(mag)

0.37

(11)

Rotation Period:(hrs)

2.3011

(12)(13)(14)

Quality:

3B !

(12)(13)(14)

Lightcurve Amplitude:(mag)

0.11

(12)(13)(14)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

(15)

Spectral Observations:

Y

(16)(17)(18)(19)

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

! - 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.

B - in rotation quality code means Binary asteroid

References

( 1) M.P.E.C. 1998-T05

(002) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(003) 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.)

(004) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs)

(005) 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)

(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) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(008) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(009) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(010) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(011) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(012) Galad, A. (2007) Earth, Moon and Planets, 100, 77-82. (Lightcurves and synodic periods of asteroids 1998 ST49,(13154) and (27529))

(013) Hicks, M. et al. (2012) ATel#4588 (Broadband Photometry of the Near-Earth Asteroid 136993 (1998 ST49))

(014) Petr Pravec's Ondrejov NEO Photometric Program Webpage "Prepublished Periods"

(015) JPL's NEO Radar Detection Program Webpage

(016) 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)

(017) Binzel, R.P. et al. (2006) LPSC 37, 1491. (The MIT-Hawaii-IRTF joint campaign for NEO spectral reconnaissance.)

(018) Binzel, R.P. et al. Webpage

(019) deLeon, J. et al. (2010) Astron. Astrophys 517, A23. (Observations, compositional, and physical characterization of near-Earth and Mars-crosser asteroids from a spectroscopic survey)


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