( 9950) ESA

(1990 VB )

Discovery Circumstances:

C. Pollas - Caussols

8 Nov 1990

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

-

-

Albedo:

0.10

( 2)

Diameter:(km)

2.47 km

( 3)

H:(mag)

16.10

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

6.712

( 4)( 5)

Quality:

3 !

( 4)( 5)

Lightcurve Amplitude:(mag)

0.44-0.56

( 4)( 5)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

# - absolute magnitude H derived from astrometric observation via orbit determination - G value assumed to be 0.15

! - 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. 5133

(002) 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)

(003) 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)

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

(005) Stephens, R.D (2014) MPB 41, 92-95. (ASTEROIDS OBSERVED FROM CS3: 2013 OCTOBER - DECEMBER)(..,9950)


NEODyS Page of ( 9950) ESA