| 词条 | 443 Photographica |
| 释义 |
| minorplanet=yes | background=#D6D6D6 | name=443 Photographica | discoverer=M. F. Wolf A. Schwassmann | discovered=17 February 1899 | mpc_name=(443) Photographica | alt_names=1899 EF | named_after=Photography | mp_category=Main belt | epoch=31 July 2016 (JD 2457600.5) | semimajor={{Convert|2.21563|AU|Gm|abbr=on}} | perihelion={{Convert|2.12676|AU|Gm|abbr=on}} | aphelion={{Convert|2.30450|AU|Gm|abbr=on|lk=on}} | eccentricity=0.040110 | period=3.30 yr (1204.6 d) | inclination=4.23568° | asc_node=175.447° | arg_peri=349.449° | mean_anomaly=208.995° | dimensions={{val|26.68|1.6|ul=km}} | mass= | density= | rotation={{Convert|19.795|h|d|abbr=on|lk=on}} | spectral_type=S | abs_magnitude=10.28 | albedo={{val|0.1918|0.025}} | mean_motion={{Deg2DMS|0.298853|sup=ms}} / day | orbit_ref=[1] | observation_arc=116.56 yr (42572 d) | uncertainty=0 }} 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. References1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=443;cad=1 |title=443 Photographica (1899 EF) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=10 May 2016}} External links
7 : Background asteroids|Discoveries by Max Wolf|Discoveries by Friedrich Karl Arnold Schwassmann|Named minor planets|S-type asteroids (Tholen)|Sl-type asteroids (SMASS)|Astronomical objects discovered in 1899 |
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