( 14827) Hypnos

(1986 JK )

Discovery Circumstances:

C. S. Shoemaker, E. M. Shoemaker - Palomar Mountain

5 May 1986

(1)

Orbital Type:

AP

(*)( 2)

Taxonomic Type:

C

( 3)( 4)

Albedo:

d

( 5)

Diameter:(km)

1.2

( 6)

H:(mag)

18.30

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

-

( 7)

Quality:

L

( 7)

Lightcurve Amplitude:(mag)

0.05

( 7)

Spin Vector:

-

-

Radar Observations:

Y

( 8)( 9)

Spectral Observations:

-

-

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

L - as rotation quality code means lightcurve data obtained

References

( 1) I.A.U.Circ. 4215

( 2) Milani, A. et al. (1989) Icarus 78, 212-269. (Dynamics of planet-crossing asteroids - Classes of orbital behavior - project Spaceguard)

( 3) Wisniewski, W.Z. (1987) Icarus 70, 566-572. (Photometry of six radar target asteroids)1986 DA, 3199, 3103, and 1983 RD. 1986 JK and 1986 RA

( 4) Ostro, S.J. et al. (1989) Icarus 78, 382-394. (Radar observations of asteroid 1986 JK)

( 5) 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)

( 6) 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)

( 7) Wisniewski, W.Z. (1987) Icarus 70, 566-572. (Photometry of six radar target asteroids)1986 DA, 3199, 3103, and 1983 RD. 1986 JK and 1986 RA

( 8) Ostro, S.J. et al. (1989) Icarus 78, 382-394. (Radar observations of asteroid 1986 JK)

( 9) Ostro, S.J. et al. (1991) Astron. J. 102, 1490-1502. (Asteroid radar astrometry)

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