(301844) 1990 UA

(1990 UA = 2009 FJ44 )

Discovery Circumstances:

E. F. Helin - Palomar Mountain

16 Oct 1990

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Scomp

( 2)

Albedo:

m

( 3)

Diameter:(km)

0.4 km

( 4)

H:(mag)

19.710

( 5)( 6)

G:

0.23

( 7)( 8)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

( 9)

Quality:

L

( 9)

Lightcurve Amplitude:(mag)

>0.1

( 9)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

L - as rotation quality code means lightcurve data obtained

References

( 1) I.A.U.Circ. 5120

(002) 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)

(003) 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)

(004) 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)

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

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

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

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

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


NEODyS Page of (301844) 1990 UA