914 Palisana

914 Palisana

Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg
Discovery date	4 July 1919
Designations
Alternative names	1919 FN
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	84.07 yr (30706 days)
Aphelion	2.9857 AU (446.65 Gm)
Perihelion	1.9300 AU (288.72 Gm)
Semi-major axis	2.4578 AU (367.68 Gm)
Eccentricity	0.21477
Orbital period	3.85 yr (1407.4 d)
Mean anomaly	71.1914°
Mean motion	0° 15^m 20.844^s / day
Inclination	25.206°
Longitude of ascending node	255.799°
Argument of perihelion	49.144°
Earth MOID	0.977482 AU (146.2292 Gm)
Jupiter MOID	2.3076 AU (345.21 Gm)
Jupiter Tisserand parameter	3.332
Physical characteristics
Mean radius	38.305±0.85 km
Mass	(2.35 ± 0.24) × 10^18 kg[2]
Mean density	8.36 ± 1.85[2] g/cm^3
Rotation period	15.922 h (0.6634 d)
Geometric albedo	0.0943±0.004
Spectral type	Ch[2]
Absolute magnitude (H)	8.76

914 Palisana is a minor planet orbiting the Sun. It is named after the Austrian astronomer Johann Palisa.

Measurements using the adaptive optics at the W. M. Keck Observatory give a diameter estimate of 76 km. The size ratio between the major and minor axes is 1.16.^[3]

References

1. "914 Palisana (1919 FN)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
2. Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
3. Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus 185 (1), pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 2013-03-27.

External links

• Discovery Circumstances: Numbered Minor Planets
• 914 Palisana at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters