Back 1685 تورو Arabic 1685 تورو (كويكب) ARZ (1685) Торо CE (1685) Toro German 1685 Τόρο Greek 1685 Toro Esperanto (1685) Toro Spanish 1685 Toro Basque تورو ۱۶۸۵ Persian (1685) Toro French

1685 Toro

1685 Toro
Shape model of Toro from its lightcurve
Discovery[1]
Discovered byC. A. Wirtanen
Discovery siteLick Obs.
Discovery date17 July 1948
Designations
(1685) Toro
Named after
Betulia Toro Herrick
(wife Samuel Herrick)[2]
1948 OA
NEO · Apollo[1][3]
Mars-crosser
Symbol (astrological)
Orbital characteristics[1]
Epoch 31 May 2021 (JD 2459000.5)
Uncertainty parameter 0
Observation arc72.59 yr (26,512 days)
Aphelion1.9636 AU
Perihelion0.7715 AU
1.3676 AU
Eccentricity0.4358
1.60 yr (584 days)
290.251°
Inclination9.383°
274.245°
127.207°
Earth MOID0.0507 AU · 19.7 LD
Physical characteristics
3.810±0.049 km[4]
4.1 km[5]
3.5+0.3
−0.4 km[6]
10.185±0.003 h[7]
10.1862±0.0006 h[8]
10.191±0.005 h[9]
10.195 h[10]
10.19540 h[11]
10.196 h[12]
10.199±0.003 h[13]
10.1995±0.0004 h[14]
10.203±0.003 h[15]
10.197826±0.000002 h[6]
0.247±0.049[4]
0.29[5]
0.38±0.33[16]
13.90[5][18] · 14.02±1.11[19] · 14.23[1][4]

1685 Toro (prov. designation: 1948 OA) is an asteroid and near-Earth object of the Apollo group on an eccentric orbit. It was discovered on 17 July 1948, by American astronomer Carl Wirtanen at Lick Observatory on Mount Hamilton, California.[3][20] The stony S-type asteroid has a rotation period of 10.2 hours and measures approximately 4 kilometers (2.5 miles) in diameter. It is named for Betulia Toro Herrick, wife of astronomer Samuel Herrick.[2] The Sylacauga meteorite appears to have originated from this asteroid.

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