( 20460) Robwhiteley

(1999 LO28 )

Discovery Circumstances:

CSS - Catalina Sky Survey

13 Jun 1999

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

-

-

Albedo:

0.199

( 2)( 3)( 4)

Diameter:(km)

2.716 km

( 5)( 6)( 7)

H:(mag)

15.20

(#)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

-

-

R-I:(mag)

-

-

V-I:(mag)

-

-

B-R:(mag)

-

-

Rotation Period:(hrs)

2.7209

( 8)

Quality:

2+ !

( 8)

Lightcurve Amplitude:(mag)

0.07 0.09

( 8)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

-

-

IR Observations:

Y

( 9)

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

(001) M.P.E.C. 1999-M03

(002) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(003) Trilling, D.E. et al. (2010) Astron. J. 140, 770-784. (EXPLORENEOs. I. DESCRIPTION AND FIRST RESULTS FROM THE WARM SPITZER NEAR-EARTH OBJECT SURVEY) (diameters & albedos for 101 NEOs)

(004) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.

(005) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)

(006) Trilling, D.E. et al. (2010) Astron. J. 140, 770-784. (EXPLORENEOs. I. DESCRIPTION AND FIRST RESULTS FROM THE WARM SPITZER NEAR-EARTH OBJECT SURVEY) (diameters & albedos for 101 NEOs)

(007) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.

(008) Warner, B.D. (2018) Minor Planet Bul. 45, submitted (NEA Gaggle) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php

(009) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.


NEODyS Page of ( 20460) Robwhiteley