(159857) 2004 LJ1

(2004 LJ1 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

10 Jun 2004

(1)

Orbital Type:

AP

(*)

Taxonomic Type:

-

-

Albedo:

0.130

( 2)

Diameter:(km)

3.070 km

( 3)

H:(mag)

15.40

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

2.661

( 4)( 5)( 6)

Quality:

2 !

( 4)( 5)( 6)

Lightcurve Amplitude:(mag)

0.15-0.6

( 4)( 5)( 6)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

( 7)

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.E.C. 2004-L31

(002) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)

(003) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)

(004) Warner, B.D. (2015) MPB 42, 41-53. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JUNE-OCTOBER) (45 NEAs)

(005) Galad, A. et al. (2005) Earth, Moon and Planets 97, 147-163. (Joint lightcurve observations of 10 near-Earth asteroids from Modra and Ondrejov) (3553,22753,31669,40267,66146,88188,103067,1001CB21,2004 LJ1,2004XO14,)

(006) Petr Pravec's Ondrejov NEO Photometric Program Webpage "Prepublished Periods"

(007) deLeon, J. et al. (2010) Astron. Astrophys 517, A23. (Observations, compositional, and physical characterization of near-Earth and Mars-crosser asteroids from a spectroscopic survey)


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