( 2100) Ra-Shalom

(1978 RA = 1975 TB )

Discovery Circumstances:

E. F. Helin - Palomar Mountain

10 Sep 1978

(1)

Orbital Type:

AT

(*)( 2)( 3)( 4)

Taxonomic Type:

K;S,Sr;C

( 5)( 6)( 7)( 8)( 9)

Albedo:

0.14

(10)(11)(12)(13)

Diameter:(km)

2.24 km

(14)(15)(16)(17)(18)(19)(20)

H:(mag)

16.054

(21)(22)(23)

G:

0.12

(24)(25)

U-B:(mag)

0.31

(26)

B-V:(mag)

0.72

(26)

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

19.7998

(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)

Quality:

3 !

(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)

Lightcurve Amplitude:(mag)

0.35-0.41

(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)

Spin Vector:

l=313,b=-45

(39)(40)

Sense of Rotation:

-

-

Radar Observations:

Y

(41)(42)(43)(44)

Spectral Observations:

Y

(45)(46)

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.

References

( 1) I.A.U.Circ. 3264

(002) Milani, A. et al. (1989) Icarus 78, 212-269. (Dynamics of planet-crossing asteroids - Classes of orbital behavior - project Spaceguard)

(003) Nugent, C.R. et al. (2012) Astron. J. 144, 60. (DETECTION OF SEMIMAJOR AXIS DRIFTS IN 54 NEAR-EARTH ASTEROIDS: NEW MEASUREMENTS OF THE YARKOVSKY EFFECT) (54 NEAs)

(004) Farnocchia, D. et al. (2012) DPS 44 305-02. (abstract) (Near Earth Asteroids with Measurable Yarkovsky Effect) (101955,1862,2100)

(005) Shepard, M.K. et al. (2008) Icarus 193, 20-38. (Multi-wavelength observations of Asteroid 2100 Ra-Shalom)

(006) Tholen, D.J. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1139-1150.

(007) Harris, A.W. (DLR) et al. (1998) Icarus 135, 441-450. (Thermal Infrared Spectrophotometry of the Near-Earth Asteroids 2100 Ra-Shalom and 1991 EE)

(008) 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.)

(009) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)

(010) 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)

(011) Delbo, M. et al. (2003) Icarus 166, 116-130. (Keck observations of near-Earth asteroids in the thermal infrared)

(012) Harris, A.W. (DLR) et al. (1998) Icarus 135, 441-450. (Thermal Infrared Spectrophotometry of the Near-Earth Asteroids 2100 Ra-Shalom and 1991 EE)

(013) Veeder, G.J. et al. (1989) Astron. J. 97, 1211-1219. (Radiometry of near-earth asteroids)

(014) Harris(DLR), A.W. et al. (2011) Astron. J. 141, 75. (ExploreNEOs. II. THE ACCURACY OF THE WARM SPITZER NEAR-EARTH OBJECT SURVEY)

(015) Shepard, M.K. et al. (2008) Icarus 193, 20-38. (Multi-wavelength observations of Asteroid 2100 Ra-Shalom)

(016) Delbo, M. et al. (2003) Icarus 166, 116-130. (Keck observations of near-Earth asteroids in the thermal infrared)

(017) Harris, A.W. (DLR) et al. (1998) Icarus 135, 441-450. (Thermal Infrared Spectrophotometry of the Near-Earth Asteroids 2100 Ra-Shalom and 1991 EE)

(018) Tedesco, E.F. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1090-1138.

(019) Veeder, G.J. et al. (1989) Astron. J. 97, 1211-1219. (Radiometry of near-earth asteroids)

(020) Trilling, D.E. et al. (2010) Astron. Journal 140, 770-784. (EXPLORENEOs. I. DESCRIPTION AND FIRST RESULTS FROM THE WARM SPITZER NEAR-EARTH OBJECT SURVEY) (diameters & albedos for 101 NEOs)

(021) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations)

(022) Pravec, P. et al. (1998) Icarus 136, 124-153. (Lightcurves of 26 Near-Earth Asteroids)(1943,2063,2100,3103,3122,3200,3691,3752,4341,4957,5143,5587,7025,7341,7480,7482,7822,8034,1989UQ,1992CC1,1992QN,1995FX,1997BR,1997GH3,1997GL3,1997SE5)

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

(024) Pravec, P. et al. (2012) Icarus 221, 365-387 (Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations)

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

(026) Tedesco, E.F. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1090-1138.

(027) Harris, A.W. et al. (1992) Icarus 95, 115-147. (Asteroid lightcurve observations from 1981)

(028) Pravec, P. et al. (1998) Icarus 136, 124-153. (Lightcurves of 26 Near-Earth Asteroids)(1943,2063,2100,3103,3122,3200,3691,3752,4341,4957,5143,5587,7025,7341,7480,7482,7822,8034,1989UQ,1992CC1,1992QN,1995FX,1997BR,1997GH3,1997GL3,1997SE5)

(029) Krugly, Yu.N. et al. (2002) Icarus 158, 294-304. (The Near-Earth Objects Follow-up Program. IV. CCD Photometry in 1996-1999).

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

(031) Ostro, S.J. et al. (1984) Icarus 60, 391-403. (Radar and photoelectric observations of asteroid 2100 Ra-Shalom)

(032) Harris, A.W. (DLR) (1998) Icarus 131, 291-301. (A Thermal Model for Near-Earth Asteroids)

(033) Harris, A.W. (DLR) et al. (1998) Icarus 135, 441-450. (Thermal Infrared Spectrophotometry of the Near-Earth Asteroids 2100 Ra-Shalom and 1991 EE)

(034) Delbo, M. et al. (2003) Icarus 166, 116-130. (Keck observations of near-Earth asteroids in the thermal infrared)

(035) Kaasalainen, M. et al. (2004) Icarus 167, 178-196. (Photometry and models of eight near-Earth asteroids;1580,1627,1980,2100,3199,3908,4957,5587)

(036) Shepard, M.K. et al. (2008) Icarus 193, 20-38. (Multi-wavelength observations of Asteroid 2100 Ra-Shalom)

(037) Torppa, J. et al. (2008) Icarus 198, 91-107. (Asteroid shape and spin statistics from convex models) (1036,1580,1627,1862,1980,2100,3908,5587,6053)

(038) Warner, B.D. (2017) MPB 44, 22-36. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2016 JULY-SEPTEMBER) (46 NEAs)

(039) Durech, J. et al. (2012) Astron. Astrophy 547, A10. (Analysis of the rotation period of asteroids (1865) Cerberus, (2100) Ra-Shalom, and (3103) Eger - search for the YORP effect)

(040) Kaasalainen, M. et al. (2004) Icarus 167, 178-196. (Photometry and models of eight near-Earth asteroids;1580,1627,1980,2100,3199,3908,4957,5587)

(041) Ostro, S.J. et al. (1984) Icarus 60, 391-403. (Radar and photoelectric observations of asteroid 2100 Ra-Shalom)

(042) Ostro, S.J. et al. (1991) Astron. J. 102, 1490-1502. (Asteroid radar astrometry)

(043) Shepard, M.K. et al. (2000) Icarus 147, 520-529. (Radar observations of Asteroid 2100 Ra-Shalom)

(044) Shepard, M.K. et al. (2008) Icarus 193, 20-38. (Multi-wavelength observations of Asteroid 2100 Ra-Shalom)

(045) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)

(046) Shepard, M.K. et al. (2008) Icarus 193, 20-38. (Multi-wavelength observations of Asteroid 2100 Ra-Shalom)


NEODyS Page of ( 2100) Ra-Shalom