.png) Lightcurve-based 3D-model ofTaurinensis | |
| Discovery[1] | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 23 June 1903 |
| Designations | |
| (512) Taurinensis | |
| Pronunciation | /tɔːrɪˈnɛnsɪs/ |
Named after | Turin[2](Italian city) |
| 1903 LV · A909 GE | |
| Mars-crosser[1][3][4] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 108.23 yr (39,532 days) |
| Aphelion | 2.7466AU |
| Perihelion | 1.6323 AU |
| 2.1895 AU | |
| Eccentricity | 0.2545 |
| 3.24yr (1,183 days) | |
| 30.908° | |
| 0° 18m 15.12s / day | |
| Inclination | 8.7463° |
| 107.04° | |
| 249.36° | |
| Earth MOID | 0.6518 AU · 253.9LD |
| Mars MOID | 0.2980 AU |
| Physical characteristics | |
| Dimensions | 18.70±1.87 km[5] 20.87±0.36 km[6] 23.09±1.4 km[7] |
| 5.5804±0.0006 h[8] 5.582h[9] 5.583±0.001 h[10] 5.585±0.001 h[11] 5.59 h[12] | |
| 0.1772±0.024[7] 0.225±0.010[6] 0.270±0.054[5] | |
| Tholen =S[1] SMASS =S[1][4] B–V = 0.917[1] U–B = 0.525[1] | |
| 10.68[1][5][6][7] · 10.72[4] · 10.72±0.04[11][13] · 10.72±0.40[14] | |
512 Taurinensis, provisional designation1903 LV, is a stonyasteroid and largeMars-crosser on an eccentric orbit from the inner regions of theasteroid belt, approximately 20 kilometers in diameter. It was discovered on 23 June 1903, by astronomerMax Wolf at theHeidelberg-Königstuhl State Observatory in southwest Germany.[3] The asteroid was named after the Italian city ofTurin.[2] It is the 4th-largest Mars-crossing asteroid.
Taurinensis is aMars-crossing asteroid, a dynamically unstable group between themain belt and thenear-Earth populations, crossing the orbit of Mars at 1.666 AU. It orbits the Sun at a distance of 1.6–2.7 AU once every 3 years and 3 months (1,183 days). Its orbit has aneccentricity of 0.25 and aninclination of 9° with respect to theecliptic.[1] The body'sobservation arc begins with its identification asA909 GE at Heidelberg in April 1909, almost 6 years prior to its official discovery observation.[3]
Taurinensis is a common, stonyS-type asteroid in both theTholen andSMASS classification.[1]
In 1982, the asteroid was observed usingphotometry from theLa Silla Observatory to generate a compositelight curve. The resulting data showed arotation period of 0.2326 days (5.58 h) with a brightness variation of 0.2 inmagnitude.[4][9]
According to the surveys carried out by the Infrared Astronomical SatelliteIRAS, the JapaneseAkari satellite and theNEOWISE mission of NASA'sWide-field Infrared Survey Explorer,Taurinensis measures between 18.70 and 23.09 kilometers in diameter and its surface has analbedo between 0.1772 and 0.270.[5][6][7] TheCollaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.1772 and a diameter of 23.09 kilometers based on anabsolute magnitude of 10.72.[4]
With a mean-diameter of 20 kilometers,Taurinensis is the 4th-largest Mars-crossing asteroids, just behind132 Aethra (43 km),323 Brucia (36 km) and2204 Lyyli (25 km), and larger than1508 Kemi (17 km),1474 Beira (15 km) and1310 Villigera (14 km).
Thisminor planet was named after "Taurinensis", the Latin name of the city ofTurin, located innorthern Italy. It was named in 1905, by astronomers of theObservatory of Turin with the discoverer's endorsement (AN 167, 239). The official naming citation was mentioned inThe Names of the Minor Planets byPaul Herget in 1955 (H 55).[2]
