( 4954) Eric

(1990 SQ )

Discovery Circumstances:

B. Roman - Palomar Mountain

23 Sep 1990

(1)

Orbital Type:

AM

(*)

Taxonomic Type:

S

( 2)( 3)( 4)

Albedo:

0.156

( 5)( 6)( 7)

Diameter:(km)

9.494 km

( 8)( 9)(10)

H:(mag)

12.7

(11)

G:

0.23

(12)

U-B:(mag)

-

-

B-V:(mag)

-

-

V-R:(mag)

0.50

(13)

R-I:(mag)

-

-

Rotation Period:(hrs)

12.056

(14)(15)(16)(17)(18)(19)

Quality:

3 !

(14)(15)(16)(17)(18)(19)

Lightcurve Amplitude:(mag)

0.66

(14)(15)(16)(17)(18)(19)

Spin Vector:

l= 86,b=-54

(20)

Sense of Rotation:

-

-

Radar Observations:

-

-

Spectral Observations:

Y

(21)(22)(23)(24)(25)(26)(27)(28)(29)

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. 5103

(002) Tholen, D.J. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1139-1150.

(003) 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.)

(004) 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.)

(005) Mainzer, A. et al. (2014) Astrophys. J. 792, 30. (Initial Performance of the NEOWISE Reactivation Mission) (prel.diameters & albedos for 61 NEOs)

(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) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)

(008) Mainzer, A. et al. (2014) Astrophys. J. 792, 30. (Initial Performance of the NEOWISE Reactivation Mission) (prel.diameters & albedos for 61 NEOs)

(009) 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)

(010) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)

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

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

(013) Pravec, P. et al. (1995) Earth, Moon and Planets 71, 177-187. (CCD Photometry of 6 Near-Earth Asteroids)(1864,4954,1993VW,1994AW1,1994GY,1994JF1)

(014) Pravec, P. et al. (1995) Earth, Moon and Planets 71, 177-187. (CCD Photometry of 6 Near-Earth Asteroids)(1864,4954,1993VW,1994AW1,1994GY,1994JF1)

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

(016) Zeigler, K.W. et al. (1998) M.P.B. 25, 13. (CCD photometry of asteroids 2270 Yazhi, 4954 Eric and (5534) 1941 UN)

(017) Krugly, Yu. N. & V.G. Shevchenko (1994) Abstracts of Small Bodies Conf., Mariehamn, p.86. (4954)

(018) Tungalag, N. et al. (2003) Kin. Fiz. Neb. Tel. 19, 397-406. (Rotation parameters and shapes of 19 asteroids; ..4954..)

(019) Warner, B.D. et al. (2014) MPB 41, 157-168. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JANUARY-MARCH) (1943,4055,4954,25916,35107,40267,53435,68031,85990,86039,138127,143409,243566,275677,277570,294739,357622,377097,1995CR,2006DP14,2009CT,2009QF31,2011BT15,2012AU10,2013XV8,2013YZ13,2013PD21,2013XF22,2013YZ37,2013WT44,2014CR,2014EM,2014BR8,2014CG13,2014CU13,2014EY24,2014AY28,2014EL45,2014BR57,2014DX110)

(020) Hanus, J. et al. (2013) Astron. Astrophys. 551, A67. (Asteroids' physical models from combined dense and sparse photometry and scaling of the YORP effect by the observed obliquity distribution) (..,4954,..)

(021) Lazzarin, M. et al. (1997) Astron. & Astrophys. 327, 388-391. (Compositional properties of Near-Earth Asteroids: spectroscopic comparison with Ordinary Chondrite Meteorites)

(022) Lazzarin, M. et al. (1997) B.A.A.S. 29, 966. (Spectroscopic Comparison Between Near-Earth Asteroids and Ordinary Chondrites Meteorites)

(023) 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.)

(024) 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.)

(025) Michelsen, R. et al. (2006) Astron. Astrophys. 451, 331-337. (Spectroscopy of near-Earth asteroids) (2329,2002AG29,4957,35107,2002NY31,1917,25916,2002QE15,2002DB4,2002TB58,1978CA,4954)

(026) Fevig. R.A. and U. Fink (2007) Icarus 188, 175-188. (Spectral observations of 19 weathered and 23 fresh NEAs and their correlations with orbital parameters)(433,1036,1627,1685,1862,1866,1943,1980,3103,3122,3199,3671,4183,4341,4954,5587,5751,5836,6037,7358,7482,7753,7822,7977,8201,10563,11066,13651,13651,19356,20236,20255,35107,85490,J97GD32,J97UH9,J97US9,J98HE3,J98HT31,J98ME3,J98MS2,K04LC2)

(027) Binzel, R.P. et al. (2006) LPSC 37, 1491. (The MIT-Hawaii-IRTF joint campaign for NEO spectral reconnaissance.)

(028) Binzel, R.P. et al. Webpage

(029) Sanchez, J.A. et al. (2012) Icarus 220, 36-50. (Phase reddening on near-Earth asteroids: Implications for mineralogical analysis, space weathering and taxonomic classification) (1036,1620,1627,1862,19 80,4179,4954,6239,11398,25143,35107,66146)


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