(196256) 2003 EH1

(2003 EH1 )

Discovery Circumstances:

LONEOS - Lowell Observatory-LONEOS

6 Mar 2003

(1)

Orbital Type:

AM

(*)( 2)( 3)( 4)( 5)( 6)( 7)( 8)

Taxonomic Type:

-

-

Albedo:

-

-

Diameter:(km)

1.7 - 3.9 km

($)

H:(mag)

15.82R

( 9)

G:

0.15

(#)

U-B:(mag)

-

-

B-V:(mag)

0.69

(10)

V-R:(mag)

0.39

(11)

R-I:(mag)

0.38

(12)

Rotation Period:(hrs)

12.650

(13)

Quality:

3 !

(13)

Lightcurve Amplitude:(mag)

0.44

(13)

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

# - 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. 2003-E27

(002) Williams, I.P. et al. (2004) Earth, Moon and Planets 95, 11-18. (Are asteroid 2003 EH1 and comet C/1490 Y1 dynamically related?)

(003) Babadzhanov, P.B. et al. (2008) MNRAS 386, 2271-2277. (Meteor showers associated with 2003EH1)

(004) Micheli, M. et al. (2008) MNRAS 390, L6-L8. (Updated analysis of the dynamical relation between asteroid 2003 EH1 and comets C/1490 Y1 and C/1385 U1)

(005) Lee, K-W. et al. (2009) MNRAS 400, 1389-1393. (Orbital elements of comet C/1490 Y1 and the Quadrantid shower) (2003 EH1)

(006) Neslusan, L. et al. (2013) Astron. Astrophys. 560, A47. (Meteor-shower complex of asteroid 2003 EH1 compared with that of comet 96P/Machholz)

(007) Abedin, A. et al. (2015) Icarus 261, 100-117. (On the age and formation mechanism of the core of the Quadrantid meteoroid stream)(2003 EH1)

(008) Babadzhanov, P.B. et al. (2017) Astron. Astophys. 598, A94. (Investigation into the relationship between comet 96P/Machholz 1 and asteroid 2003 EH1

(009) Kasuga, T. & D. Jewitt (2015) Astron. J. 150, 152(10pp). (Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream)

(010) Kasuga, T. & D. Jewitt (2015) Astron. J. 150, 152(10pp). (Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream)

(011) Kasuga, T. & D. Jewitt (2015) Astron. J. 150, 152(10pp). (Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream)

(012) Kasuga, T. & D. Jewitt (2015) Astron. J. 150, 152(10pp). (Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream)

(013) Kasuga, T. & D. Jewitt (2015) Astron. J. 150, 152(10pp). (Physical Observations of (196256) 2003 EH1, Presumed Parent of the Quadrantid Meteoroid Stream)


NEODyS Page of (196256) 2003 EH1