( 52381) 1993 HA

(1993 HA )

Discovery Circumstances:

Spacewatch - Steward Observatory, Kitt Peak-Spacewatch

17 Apr 1993

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

-

-

Albedo:

0.140

( 2)

Diameter:(km)

0.337 km

( 3)

H:(mag)

20.00

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

4.107

( 4)( 5)

Quality:

3 !

( 4)( 5)

Lightcurve Amplitude:(mag)

0.58

( 4)( 5)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

( 6)

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) M.P.C.22169

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

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

(004) Monteiro, F. et al. (2017) MPB 44, 20-22. (LIGHTCURVE ANALYSIS FOR TEN NEAR-EARTH ASTEROIDS)

(005) Perna, D. et al. (2017) Astron. Astrophys. 597, A57. (An investigation of the low-V near-Earth asteroids (341843) 2008 EV5 and (52381) 1993 HA)

(006) Perna, D. et al. (2017) Astron. Astrophys. 597, A57. (An investigation of the low-V near-Earth asteroids (341843) 2008 EV5 and (52381) 1993 HA)


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