( 1627) Ivar

(1929 SH = 1957 NA = 1957 XA )

Discovery Circumstances:

E. Hertzsprung - Johannesburg

25 Sep 1929

(1)

Orbital Type:

AM

(*)( 2)( 3)( 4)( 5)( 6)( 7)( 8)

Taxonomic Type:

S

( 9)(10)(11)(12)

Albedo:

0.174

(13)(14)(15)(16)(17)

Diameter:(km)

5.15x6.25x5.6km

(18)(19)(20)(21)(22)(23)(24)

H:(mag)

12.61

(25)(26)

G:

0.25

(27)(28)

U-B:(mag)

0.46

(29)

B-V:(mag)

0.80

(30)(31)

V-R:(mag)

0.45

(32)

R-I:(mag)

0.34

(33)

Rotation Period:(hrs)

4.7951689

(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)

Quality:

4 !

(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)

Lightcurve Amplitude:(mag)

0.25-1.15

(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47)(48)(49)(50)(51)

Spin Vector:

l=336,b=+37

(52)(53)(54)

Sense of Rotation:

pro

(55)(56)(57)

Radar Observations:

Y

(58)(59)(60)

Spectral Observations:

Y

(61)(62)(63)(64)(65)(66)(67)(68)

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

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(004) Hahn, G. & C.-I. Lagerkvist (1988) in "The Few Body Problem" (Ed.M.J. Valtonen), Kluwer Acad. Publ., Dordrecht, Netherlands, pp. 143-146. (Long-term orbital evolution studies of Aten-Apollo-Amor objects)

(005) Janiczek, P.M. et al. (1972) Astron. J. 77, 764-773. (Resonances and Encounters in the Inner Solar System)

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(007) Crowell, J.L. et al. (2015) LPSC 46, 2151. (IMPROVED SHAPE MODEL OF 1627 IVAR)

(008) Crowell, J.L. et al. (2015) DPS47-213.04. (astract) (Thermophysical Model of S-complex NEAs: 1627 Ivar)

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

(010) 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.)

(011) 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.)

(012) Davies, J.K. et al. (2007) Icarus 186,111-125. (Near-infrared spectra of 12 near-Earth objects) (1627,4179,5381,5587,6489,11405,14402,25143,25330,52760,66391,101955)

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

(021) Mueller, M. et al. (2011) Astron. J. 141, 109. (ExploreNEOs. III. PHYSICAL CHARACTERIZATION OF 65 POTENTIAL SPACECRAFT TARGET ASTEROIDS)

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

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

(025) Rikhteghar, A. & F.P. Velichko (2010) LPSC 41, 2528. (PHASE FUNCTION OF BRIGHTNESS OF NEA 1627 IVAR)

(026) Hahn, G. et al. (1989) Icarus 78, 363-381. (Physical studies of Apollo-Amor asteroids - UBVRI photometry of 1036 Ganymed and 1627 Ivar)

(027) Rikhteghar, A. & F.P. Velichko (2010) LPSC 41, 2528. (PHASE FUNCTION OF BRIGHTNESS OF NEA 1627 IVAR)

(028) Hahn, G. et al. (1989) Icarus 78, 363-381. (Physical studies of Apollo-Amor asteroids - UBVRI photometry of 1036 Ganymed and 1627 Ivar)

(029) Hahn, G. et al. (1989) Icarus 78, 363-381. (Physical studies of Apollo-Amor asteroids - UBVRI photometry of 1036 Ganymed and 1627 Ivar)

(030) Velichko, F.P. & A. Rikhteghar (2011) Astronomy 47, 41-43. (Lightcurves, colours and magnitude phase dependences of the asteroids 433 Eros and 1627 Ivar) (in Russian)

(031) Hahn, G. et al. (1989) Icarus 78, 363-381. (Physical studies of Apollo-Amor asteroids - UBVRI photometry of 1036 Ganymed and 1627 Ivar)

(032) Velichko, F.P. & A. Rikhteghar (2011) Astronomy 47, 41-43. (Lightcurves, colours and magnitude phase dependences of the asteroids 433 Eros and 1627 Ivar) (in Russian)

(033) Velichko, F.P. & A. Rikhteghar (2011) Astronomy 47, 41-43. (Lightcurves, colours and magnitude phase dependences of the asteroids 433 Eros and 1627 Ivar) (in Russian)

(034) Crowell, J.L. et al. (2016) Icarus in press. (Radar and Lightcurve Shape Model of Near-Earth Asteroid (1627) Ivar)

(035) Hahn, G. et al. (1989) Icarus 78, 363-381. (Physical studies of Apollo-Amor asteroids - UBVRI photometry of 1036 Ganymed and 1627 Ivar)

(036) Lupishko, D.F. et al. (1986) Kin. Fiz. Neb. Tel. 2(5), 39-43. (1627..)

(037) Chernova, G.P. et al. (1995) Astron. J. 110, 1875-1878. (Photometry of Amor Asteroids 1036 Ganymede and 1627 Ivar)

(038) Harris, A.W. & J.W. Young (1985) B.A.A.S. 17, 726. (Photometric Results for Earth Approaching Asteroids.) (1627,1036,1862,1982RA,1982XB,1983RD,1984KD)

(039) Hoffmann, M. & E.H. Geyer (1990) Acta Astronomica 40, 389-396. (Photometric observations of three near-earth asteroids) (1627) (3908) (1685)

(040) Velichko, F.P. et al. (1990) Astron.Tsirk 1546, 39-40. (Such unlike asteroids 1627 ivar and 1951 Lick)

(041) Pravec, P. et al. (1996) Icarus 124, 471-482. (Lightcurves of 7 Near-Earth Asteroids)(1627,4957,6569,1993UC,1994AH2,1994CB,1994LX)

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

(043) Kiss, L.L. et al. (1999) Astron. Astrophys. Suppl. 140, 21-28. (CCD photometry and new models of 5 minor planets) (..1627..)

(044) Szabo, Gy. & L.L. Kiss (2001) Publ. Astron. Dept Eotvos Univ. Nr. 11, 119-124. (CCD photometric investigations of small bodies in the solar system; 1627,1865)

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

(046) 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)

(047) Krugly, Yu. N. et al. (2006) IAU Symp. 236, 385-390. (Kharkiv study of near-Earth asteroids) (1036,1627,1685,1862,1980,3103,3200,4179,6611,8567,11405,13553,23187,54509,66251,100085,1999LF6,2004XP14,2005AB,2006CV69,2006BQ6)

(048) 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)

(049) Warner, B.D. (2014) MPB 41,41-47. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2013 JUNE-SEPTEMBER) (1627,9950,11405,24445,152664,168378,329437,350988,361071,368664,2006EE1,2 013OM9,2013QJ10)

(050) Warner, B.D. (2015) MPB 42, 172-183. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 JANUARY - MARCH)(35NEAs)

(051) 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)

(052) Crowell, J.L. et al. (2016) Icarus in press. (Radar and Lightcurve Shape Model of Near-Earth Asteroid (1627) Ivar)

(053) 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)

(054) Velichko, F.P. & D.F. Lupishko (1989) Kinematika i Fizika Nebesnykh Tel 5, 90-94. (Photometric astrometry for asteroids approaching the earth - Pole coordinates of 1627 Ivar)

(055) Crowell, J.L. et al. (2016) Icarus in press. (Radar and Lightcurve Shape Model of Near-Earth Asteroid (1627) Ivar)

(056) 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)

(057) Velichko, F.P. & D.F. Lupishko (1989) Kinematika i Fizika Nebesnykh Tel 5, 90-94. (Photometric astrometry for asteroids approaching the earth - Pole coordinates of 1627 Ivar)

(058) Moskovitz, N.A. et al. (2017) Icarus 284, 97-105. (Near-infrared thermal emission from near-Earth asteroids: Aspect-dependent variability)(285263,175706)

(059) Ostro, S.J. et al. (1990) Astron. J. 99, 2012-2018. (Radar images of asteroid 1627 Ivar)

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

(061) 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.)

(062) 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.)

(063) deLeon, J. et al. (2006) Advanc. Space Res. 37, 178-183. (Spectral analysis and mineralogical characterization of 11 olivine-pyroxene rich NEAs) (1627,1864,3122,25143,65803,1999BY9,1999TF211,2000VJ61,2000XH44,2003HM16,2003YG118)

(064) Davies, J.K. et al. (2007) Icarus 186,111-125. (Near-infrared spectra of 12 near-Earth objects) (1627,4179,5381,5587,6489,11405,14402,25143,25330,52760,66391,101955)

(065) Fevig. R.A. and U. Fink (2007) Icarus 188, 175-188. (Spectral observations of 19 weathered and 23 fresh NEAs and their correlations with orbital parameters)(433,1036,1627,1685,1862,1866,1943,1980,3103 ,3122,3199,3671,4183,4341,4954,5587,5751,5836,6037,7358,7482,7753,7822,7977,8201,10563,11066,13651,13651,19356,20236,20255,35107,85490,J97GD32,J97UH9,J97US9,J98HE3,J98HT31,J98ME3,J98MS2,K04LC2)

(066) 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)

(067) Sanchez, J.A. et al. (2012) Icarus 220, 36-50. (Phase reddening on near-Earth asteroids: Implications for mineralogical analysis, space weathering and taxonomic classification) (1036,1620,1627,1862,1980,4179,4954,6239,11398,25143,35107,66146)

(068) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)


NEODyS Page of ( 1627) Ivar