(164211) 2004 JA27

(2004 JA27 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

15 May 2004

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

Sq/Q,Sco

( 2)( 3)

Albedo:

-

-

Diameter:(km)

397 - 888 m

($)

H:(mag)

19.40

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

-

Quality:

-

-

Lightcurve Amplitude:(mag)

-

-

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

( 4)

Spectral Observations:

Y

( 5)( 6)( 7)

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

$ - diameter range derived from H and assumed albedo for C and S type - 0.04 and 0.20 respectively

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

References

( 1) M.P.E.C. 2004-K32

(002) Perna, D. et al. (2016) Astron. J. 151, 11(14p). (GRASPING THE NATURE OF POTENTIALLY HAZARDOUS ASTEROIDS) (spectra of 14 PHAs)

(003) 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)

(004) JPL's NEO Radar Detection Program Webpage

(005) Binzel, R.P. et al. (2006) LPSC 37, 1491. (The MIT-Hawaii-IRTF joint campaign for NEO spectral reconnaissance.)

(006) Binzel, R.P. et al. Webpage

(007) Perna, D. et al. (2016) Astron. J. 151, 11(14p). (GRASPING THE NATURE OF POTENTIALLY HAZARDOUS ASTEROIDS) (spectra of 14 PHAs)


NEODyS Page of (164211) 2004 JA27