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Encyclopedia > 719 Albert


719 Albert
Discovery
Discoverer Johann Palisa
Discovery Date October 3, 1911
Alternate Designations 1911 MT; 2000 JW8
Category Amor, Mars_crosser asteroid
Orbital Elements
Epoch October 22, 2004 (JD 2453300.5)
Eccentricity (e) 0.552
Semi-Major Axis (a) 393.746 Gm (2.632 AU)
Perihelion (q) 176.459 Gm (1.180 AU)
Aphelion (Q) 611.033 Gm (4.085 AU)
Orbital Period (P) 1559.676 d (4.27 a)
Mean Orbital Speed 16.87 km/s
Inclination (i) 11.547°
Longitude of the
Ascending Node
(Ω)
184.093°
Argument of Perihelion (ω) 155.672°
Mean Anomaly (M) 264.909°
Physical Characteristics
Dimensions 2.4 km
Mass 1.4×1013 kg 1 (http://earn.dlr.de/nea/00719.htm)
Density 2.0? g/cm³
Surface Gravity ~0.0007 m/s²
Escape Velocity ~0.0013 km/s
Rotation Period 0.2417 d 2 (http://www.astrosurf.com/aude-old/map_files/AstVarMAP01-2003.htm)
Spectral Class S
Absolute Magnitude 15.8
Albedo 0.10?
Mean Surface Temperature ~236 K

719 Albert is an Amor asteroid, the second one discovered after 433 Eros. It is also a Mars_crosser asteroid.


It was discovered by Johann Palisa in 1911, but then was lost and not recovered until 2000, using data from the Spacewatch asteroid survey project. The new discovery was designated 2000 JW8 [1] (http://cfa-www.harvard.edu/iauc/07400/07420.html). By 2000, Albert was the last "lost" asteroid among the numbered asteroids (69230 Hermes was not numbered until 2003). The second last lost asteroid, 878 Mildred, had been recovered in 1991.


Albert is named after Baron Albert Freiherr von Rothschild.

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The Minor Planets
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(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids)



  Results from FactBites:
 
Albert Engström Sällskapet, förslag (344 words)
Albert Engström Sällskapet driver museet som ligger alldeles vid hamnen.
Där kan du se verk av Albert Engström och många föremål från hans hem och talrika resor.
Där finns en uppsjö unika tavlor, av honom själv och hans vänner, och föremål som berättar mycket om Albert Engström och hans tid.
Lost Albert From 1911 Is Registered As Asteroid 719 (917 words)
Albert is the trailed object to the lower-right of the center of the image.
The trail is caused principally by the motion of Albert during the exposure of the photographic plate.
That was the last direct observation anyone had of 719 Albert, named for a baron who had donated generously to the Vienna Observatory.
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