443 Photographica

443 Photographica

Discovery
Discovered by	M. Wolf, A. Schwassmann
Discovery date	17 February 1899
Designations
Named after	Photography
Alternative names	1899 EF
Minor planet category	Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	116.56 yr (42572 d)
Aphelion	2.30450 AU (344.748 Gm)
Perihelion	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)
Average orbital speed	20.01 km/s
Mean anomaly	208.995°
Mean motion	0° 17^m 55.871^s / day
Inclination	4.23568°
Longitude of ascending node	175.447°
Argument of perihelion	349.449°
Earth MOID	1.13234 AU (169.396 Gm)
Jupiter MOID	2.66111 AU (398.096 Gm)
Jupiter Tisserand parameter	3.649
Physical characteristics
Dimensions	26.68±1.6 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	19.795 h (0.8248 d)
Geometric albedo	0.1918±0.025
Temperature	unknown
Spectral type	S
Absolute magnitude (H)	10.28

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 February 17, 1899 in Heidelberg.

References

1. "443 Photographica (1899 EF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.

External links

• 443 Photographica at the JPL Small-Body Database
  
  • Discovery · Orbit diagram · Orbital elements · Physical parameters