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#REDIRECT [[List of minor planets: 7001–8000#861]]
{{Infobox Planet
| minorplanet = yes
| width = 25em
| bgcolour = #FFFFC0
| apsis =
| name = Messenger
| symbol =
| image =
| caption =
| discovery = yes
| discovery_ref =
| discoverer = [[S. J. Bus]]
| discovery_site = [[Siding Spring Observatory]]
| discovered = March 2, 1981
| designations = yes
| mp_name = 7861
| alt_names = 1981 EK25
| mp_category =
| orbit_ref =
| epoch = May 14, 2008
| aphelion = 2.8631041
| perihelion = 2.0112527
| semimajor =
| eccentricity = 0.1747618
| period = 1389.7266925
| avg_speed =
| inclination = 1.95699
| asc_node = 309.18841
| mean_anomaly = 314.86007
| arg_peri = 345.06129
| satellites =
| physical_characteristics = yes
| dimensions =
| mass =
| density =
| surface_grav =
| escape_velocity =
| sidereal_day =
| axial_tilt =
| pole_ecliptic_lat =
| pole_ecliptic_lon =
| albedo =
| temperatures=
| temp_name1 =
| mean_temp_1 =
| max_temp_1 =
| temp_name2 =
| max_temp_2 =
| spectral_type =
| abs_magnitude = 14.6
}}
'''7861 Messenger''' (1981 EK25) is a [[Asteroid belt|main-belt]] [[asteroid]] discovered on March 2, 1981 by [[S. J. Bus]] at [[Siding Spring Observatory]] in the course of the [[U.K. Schmidt-Caltech Asteroid Survey]].
== External links ==
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=7861+Messenger JPL Small-Body Database Browser on 7861 Messenger]


{{Reflist}}
{{NASTRO comment}}

{{MinorPlanets Navigator|7860 Zahnle|7862 Keikonakamura}}
{{MinorPlanets_Footer}}


{{DEFAULTSORT:Messenger}}
{{DEFAULTSORT:Messenger}}
[[Category:Main Belt asteroids]]
[[Category:Nysa asteroids|007861]]
[[Category:Asteroids named for people]]
[[Category:Discoveries by Schelte J. Bus]]
[[Category:Astronomical objects discovered in 1981]]
[[Category:Named minor planets]]
[[Category:Astronomical objects discovered in 1981|19810302]]

{{beltasteroid-stub}}

[[fa:سیارک ۷۸۶۱]]
[[it:7861 Messenger]]
[[hu:7861 Messenger]]
[[pl:7861 Messenger]]
[[yo:7861 Messenger]]

Latest revision as of 21:17, 22 November 2022