| 词条 | 241 Germania |
| 释义 |
| minorplanet=yes | background=#D6D6D6 | name=241 Germania | discoverer=Robert Luther | discovered=12 September 1884 | mpc_name=(241) Germania | alt_names=1953 US, 1953 VK1 | named_after=Germany | mp_category=Main belt | epoch=31 July 2016 (JD 2457600.5) | semimajor={{Convert|3.04857|AU|Gm|abbr=on}} | perihelion={{Convert|2.73723|AU|Gm|abbr=on}} | aphelion={{Convert|3.35991|AU|Gm|abbr=on|lk=on}} | eccentricity=0.10213 | period=5.32 yr (1944.2 d) | inclination=5.50482° | asc_node=270.362° | arg_peri=80.6364° | mean_anomaly=277.959° | avg_speed=17.04 km/s | dimensions={{val|168.90|3.1|ul=km}}[1] 178.60 ± 7.84 km | mass={{nowrap|(0.86 ± 5.00) × 1018 kg}} | density=0.28 ± 1.67 g/cm3 | rotation={{Convert|15.51|h|d|abbr=on|lk=on}}[1] | spectral_type=CP/B[1] | abs_magnitude=7.58[1] | albedo={{val|0.0575|0.002}}[1] | single_temperature= | mean_motion={{Deg2DMS|0.185166|sup=ms}} / day | orbit_ref=[1] | observation_arc=131.40 yr (47993 d) | uncertainty=0 }} Germania (minor planet designation: 241 Germania) is a very large main-belt asteroid. It is classified as a B-type asteroid and is probably composed of dark, primitive carbonaceous material. It was discovered by Robert Luther on 12 September 1884 in Düsseldorf. Germania is the Latin name for Germany. References1. ^1 2 3 4 5 6 {{cite web |title=JPL Small-Body Database Browser: 241 Germania |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=241 |publisher=Jet Propulsion Laboratory |access-date=12 May 2016}} See Table 1.[1]}} External links
7 : Background asteroids|Discoveries by Robert Luther|Minor planets named for places|Named minor planets|CP-type asteroids (Tholen)|B-type asteroids (SMASS)|Astronomical objects discovered in 1884 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。