Discovery [1] | |
---|---|
Discovered by | K. Suzuki T. Urata |
Discovery site | Toyota Obs. |
Discovery date | 14 November 1990 |
Designations | |
(5592) Oshima | |
Named after | Yoshiaki Oshima [1] (Japanese astronomer) |
1990 VB4 · 1955 RA | |
main-belt [1][2] · (outer) Veritas [3][4] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 62.13 yr (22,693 d) |
Aphelion | 3.3830 AU |
Perihelion | 2.9610 AU |
3.1720 AU | |
Eccentricity | 0.0665 |
5.65 yr (2,063 d) | |
26.407° | |
0° 10m 28.2s / day | |
Inclination | 8.4938° |
231.63° | |
99.822° | |
Physical characteristics | |
22.657±0.211 km[5][6] 22.96±0.87 km[7] 24.6±0.2 km[8] 25.32 km (derived)[9] 25.43±2.5 km[10] 30.47±11.41 km[11] 38.39±4.47 km[3] | |
12.54±0.02 h[12] | |
0.0301±0.0059[3] 0.04±0.09[11] 0.0479 (derived)[9] 0.06±0.01[8] 0.0666±0.0040[6] 0.0686±0.016[10] 0.076±0.003[5] 0.086±0.007[7] | |
C (Pan-STARRS)[13] C (SDSS-MOC)[14] Caa (S3OS2-TH)[15] Ch (S3OS2-BB)[15] | |
11.50[7][10] 11.68±0.37[13] 11.7[6][8] 11.80[11] 11.9[2][9] | |
5592 Oshima, provisional designation 1990 VB4, is a Veritasian asteroid from the outer regions of the asteroid belt, approximately 25 kilometers (16 miles) in diameter. It was discovered on 14 November 1990, by astronomers Kenzo Suzuki and Takeshi Urata at the Toyota Observatory, and later named after Japanese astronomer Yoshiaki Oshima.[1] The carbonaceous C-type asteroid has a rotation period of 12.5 hours.[9]
MPC-object
was invoked but never defined (see the help page).jpldata
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