| 词条 | 622 Esther |
| 释义 |
| minorplanet= yes | background= #D6D6D6 | name= 622 Esther | discoverer= Joel Hastings Metcalf | discovery_site= Taunton, Massachusetts | discovered= 13 November 1906 | mpc_name= (622) Esther | named_after= Esther {{small|(biblical figure)}}[1] | alt_names= 1906 WP | mp_category= main-belt{{·}}{{small|(inner)}} | orbit_ref= [1] | epoch= 31 July 2016 (JD 2457600.5) | uncertainty= 0 | observation_arc= 109.40 yr (39959 d) | aphelion= {{Convert|2.9999|AU|Gm|abbr=on|lk=on}} | perihelion= {{Convert|1.8313|AU|Gm|abbr=on}} | semimajor= {{Convert|2.4156|AU|Gm|abbr=on}} | eccentricity= 0.24189 | period= 3.75 yr (1371.3 d) | inclination= 8.6435° | asc_node= 142.046° | mean_anomaly= 93.681° | mean_motion= {{Deg2DMS|0.26252|sup=ms}} / day | arg_peri= 256.687° | moid= {{Convert|0.859795|AU|Gm|abbr=on}} | jupiter_moid= {{Convert|2.48023|AU|Gm|abbr=on}} | tisserand= 3.461 | physical_ref= | dimensions= 40 × 24 × 24 km ± 26% {{val|29|8|ul=km}} | sidereal_day= {{Convert|47.5|h|d|abbr=on|lk=on}} | spectral_type= S-type asteroid | abs_magnitude= 10.3 }} 622 Esther is a minor planet orbiting the Sun. The asteroid is named after the biblical figure Esther.[2] In 2001, the asteroid was detected by radar from the Arecibo Observatory at a distance of 1.11 AU. The resulting data yielded an effective diameter of {{nowrap|29 ± 8 km}}. References1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=622;cad=1 |title=622 Esther (1906 WP) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=5 May 2016}} 2. ^1 Schmadel, Lutz D.: [https://books.google.com/books?id=VoJ5nUyIzCsC&pg=PA63 Dictionary of Minor Planet Names]. — Fifth Revised and Enlarged Edition. — B., Heidelberg, N. Y.: Springer, 2003. — P. 63. — {{ISBN|3-540-00238-3}} }} External links
8 : Background asteroids|Discoveries by Joel Metcalf|Minor planets named for biblical people|Minor planets named for people|Named minor planets|S-type asteroids (Tholen)|S-type asteroids (SMASS)|Astronomical objects discovered in 1906 |
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