2004 JR1

(2004 JR1 = 1999 LL4 )

Discovery Circumstances:

LINEAR - Lincoln Laboratory ETS, New Mexico

11 May 2004

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

-

-

Albedo:

-

-

Diameter:(km)

909 - 2034 m

($)

H:(mag)

17.620

( 2)

G:

0.12

( 3)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

2.813

( 4)

Quality:

2 !

( 4)

Lightcurve Amplitude:(mag)

0.13

( 4)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

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

! - 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-J52

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

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

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


NEODyS Page of 2004 JR1