Astronomy:443 Photographica

Short description: Main-belt asteroid

443 Photographica

Discovery
Discovered by	M. F. Wolf A. Schwassmann
Discovery date	17 February 1899
Designations
MPC designation	(443) Photographica
Pronunciation	/foʊtəˈɡræfɪkə/
Named after	Photography
Alternative designations	1899 EF
Minor planet category	Main belt
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	116.56 yr (42572 d)
|{{{apsis}}}|helion}}	2.30450 astronomical unit|AU (344.748 Gm)
|{{{apsis}}}|helion}}	2.12676 AU (318.159 Gm)
Semi-major axis	2.21563 AU (331.454 Gm)
Eccentricity	0.040110
Orbital period	3.30 yr (1204.6 d)
Mean anomaly	208.995°
Mean motion	0° 17m 55.871s / day
Inclination	4.23568°
Longitude of ascending node	175.447°
|{{{apsis}}}|helion}}	349.449°
Physical characteristics
Dimensions	26.68±1.6 km
Rotation period	19.795 h (0.8248 d)
Geometric albedo	0.1918±0.025
Spectral type	S
Absolute magnitude (H)	10.28

Photographica (minor planet designation: 443 Photographica) is a typical Main belt asteroid. It is classified as an S-type asteroid.

It was discovered by Max Wolf and A. Schwassmann on 17 February 1899 in Heidelberg.

External links

• 443 Photographica at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 443 Photographica at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters