( 1981) Midas

(1973 EA )

Discovery Circumstances:

C. T. Kowal - Palomar Mountain

6 Mar 1973

(1)

Orbital Type:

AP

(*)( 2)

Taxonomic Type:

S;V

( 3)( 4)( 5)

Albedo:

h

( 6)

Diameter:(km)

2.2 km

( 7)

H:(mag)

15.600

( 8)( 9)(10)

G:

0.23

(11)(12)

U-B:(mag)

0.48

(13)

B-V:(mag)

0.97

(13)

V-R:(mag)

-

-

R-I:(mag)

-

-

Rotation Period:(hrs)

5.220

(14)(15)

Quality:

3 !

(14)(15)

Lightcurve Amplitude:(mag)

0.65-0.87

(14)(15)

Spin Vector:

-

-

Sense of Rotation:

-

-

Radar Observations:

Y

(16)(17)

Spectral Observations:

Y

(18)

IR Observations:

-

-

Remarks

* - orbital type derived from osculating orbital elements

! - 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) I.A.U.Circ. 2979

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

(003) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981,2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1)

(004) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.)

(005) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)

(006) 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)

(007) 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)

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

(009) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981,2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1)

(010) Wisniewski, W.Z. et al. (1997) Icarus 126, 395-449. (Photometric Observations of 125 Asteroids)

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

(012) Wisniewski, W.Z. et al. (1997) Icarus 126, 395-449. (Photometric Observations of 125 Asteroids)

(013) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981,2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1)

(014) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981,2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1)

(015) Wisniewski, W.Z. et al. (1997) Icarus 126, 395-449. (Photometric Observations of 125 Asteroids)

(016) JPL's NEO Radar Detection Program Webpage

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

(018) Binzel, R.P. et al. (2001) Icarus 151,139-149. (Spectral Properties of Near-Earth Objects: Palomar and IRTF Results for 48 Objects Including Spacecraft Targets (9969) Braille and (10302) 1989 ML)


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