( 6489) Golevka

(1991 JX )

Discovery Circumstances:

E. F. Helin - Palomar Mountain

10 May 1991

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Q;V;Sq

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

Albedo:

0.60

( 8)( 9)

Diameter:(km)

.35x.25x.25

(10)(11)(12)

H:(mag)

19.074

(13)(14)

G:

0.14

(15)(16)

U-B:(mag)

-

-

B-V:(mag)

-

-

Rotation Period:(hrs)

6.02640

(17)(18)(19)(20)

Quality:

4 !

(17)(18)(19)(20)

Lightcurve Amplitude:(mag)

0.28-1.05

(17)(18)(19)(20)

Spin Vector:

l=347,b=35

(21)

Radar Observations:

Y

(22)(23)(24)(25)

Spectral Observations:

Y

(26)(27)(28)(29)(30)

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

! - quality code according to Lagerkvist et al. (1989)

References

( 1) I.A.U.Circ. 5268

( 2) 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.)

( 3) 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.)

( 4) Mottola, S. et al. (1995) B.A.A.S. 27, 1055. (Physical Model of Near-Earth Asteroid (6489) 1991 JX from Optical and Infrared Observations)

( 5) Hicks, M.D. & W. Grundy (1995) I.A.U. Circ. 6177. (1991 JX - Spectra)

( 6) Harris, A.W. (DLR) et al. (1995) I.A.U. Circ. 6181. (1991 JX - IR obs)

( 7) 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)

( 8) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

( 9) Harris, A.W. (DLR) & J.S.V Lagerros (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 205-218. (Asteroids in the thermal infrared)

(10) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

(11) Hudson, R.S. & S.J. Ostro (1995) B.A.A.S. 27, 1062. (Radar-Based Physical Models of Earth-Crossing Asteroids)

(12) Harris, A.W. (DLR) & J.S.V Lagerros (2002) in "Asteroids III" (Eds. W.F.Bottke et al.), Univ.Ariz.Press, Tucson, USA, pp. 205-218. (Asteroids in the thermal infrared)

(13) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

(14) Mottola, S. et al. (1985) B.A.A.S. 27, 1055. (Physical model of near-Earth asteroid (6489) 1981 JX, from optical and infrared observations)

(15) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

(16) Mottola, S. et al. (1985) B.A.A.S. 27, 1055. (Physical model of near-Earth asteroid (6489) 1981 JX, from optical and infrared observations)

(17) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

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

(19) Hudson, R.S. et al. (2000) Icarus 148, 37-51. (Radar observations and physical model of asteroid 6489 Golevka.)

(20) Kaasalainen, M. et al. (2001) Icarus 153, 37-51. (Optimization Methods for Asteroid Lightcurve Inversion)

(21) Mottola, S. et al. (1997) Astron. J. 114, 1234-1245. (Physical model of near-earth asteroid 6489 Golevka (1991 JX) from optical and infrared observations)

(22) Zaitsev, A.L. (1997) Planet. Space Sci. 45, 771-778. (Intercontinental bistatic radar observations of 6489 Golevka (1991 JX))

(23) Hudson, R.S. et al. (2000) Icarus 148, 37-51. (Radar observations and physical model of asteroid 6489 Golevka.)

(24) Koyama, Y., et al., (2001) Journal of the Communications Research Laboratory [Japan] 48, 143-150. (Radar observations of near Earth asteroids 6489 Golevka and 4197 (1982 TA).)

(25) Chesley, S.R. et al. (2003) Science 302, 1739-1742. (Direct Detection of the Yarkovsky Effect via Radar Ranging to Asteroid 6489 Golevka.)

(26) 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.)

(27) 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.)

(28) 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)

(29) Hicks, M.D. et al. (1998) Icarus 133, 69-78. (The Unusual Spectra of 15 Near-Earth Asteroids and Extinct Comet Candidates)(1566,1620,2063,2102,2201,3200,4953,6053,6489,7092,8176,1994ES1,1995C R,1996JA1)

(30) 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)

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