( 99907) 1989 VA

(1989 VA )

Discovery Circumstances:

C. S. Shoemaker - Palomar Mountain

2 Nov 1989

(1)

Orbital Type:

AT

(*)

Taxonomic Type:

Sq;S;Sr

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

Albedo:

0.24

( 7)( 8)( 9)

Diameter:(km)

0.55 km

(10)(11)

H:(mag)

18.000

(12)(13)(14)

G:

0.23

(15)(16)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

2.514

(17)(18)

Quality:

3 !

(17)(18)

Lightcurve Amplitude:(mag)

0.22-0.40

(17)(18)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

(19)(20)

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. 4899

(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) 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.)

(004) 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)

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

(006) 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)

(007) 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)

(008) Campins, H. et al. (2009) Earth Moon and Planets 105, 159-165. (Low perihelion near-Earth asteroids)

(009) 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)

(010) Campins, H. et al. (2009) Earth Moon and Planets 105, 159-165. (Low perihelion near-Earth asteroids)

(011) 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)

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

(013) Pravec, P. et al. (1997) Icarus 130, 275-286. (The Near-Earth Objects Follow-Up Program. II. Results for 8 Asteroids from 1982 to 1995)(1943,2102,2212,3199,5751,6322,7474, 1989VA)

(014) Wisniewski, W.Z. et al. (1997) Icarus 126, 395-449. (Photometric Observations of 125 Asteroids)

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

(016) Pravec, P. et al. (1997) Icarus 130, 275-286. (The Near-Earth Objects Follow-Up Program. II. Results for 8 Asteroids from 1982 to 1995)(1943,2102,2212,3199,5751,6322,7474, 1989VA)

(017) Pravec, P. et al. (1997) Icarus 130, 275-286. (The Near-Earth Objects Follow-Up Program. II. Results for 8 Asteroids from 1982 to 1995)(1943,2102,2212,3199,5751,6322,7474, 1989VA)

(018) Wisniewski, W.Z. et al. (1997) Icarus 126, 395-449. (Photometric Observations of 125 Asteroids)

(019) 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.)

(020) 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.)


NEODyS Page of ( 99907) 1989 VA