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{{Infobox planet
| minorplanet=yes
| background=#D6D6D6
| name=289 Nenetta
| discoverer=Auguste Charlois
| discovered=10 March 1890
| mpc_name=(289) Nenetta
| alt_names=
| mp_category=Main belt
| epoch=31 July 2016 (JD 2457600.5)
| semimajor={{Convert|2.87381|AU|Gm|abbr=on}}
| perihelion={{Convert|2.28661|AU|Gm|abbr=on}}
| aphelion={{Convert|3.46101|AU|Gm|abbr=on|lk=on}}
| eccentricity=0.20433
| period=4.87 yr (1779.4 d)
| inclination=6.69535°
| asc_node=182.114°
| arg_peri=189.219°
| mean_anomaly=104.307°
| dimensions={{val|33.73|2.6|ul=km}}
| mass=
| density=
| rotation={{Convert|6.902|h|d|abbr=on|lk=on}}
| spectral_type=
| abs_magnitude=9.51
| albedo={{val|0.2438|0.042}}
| mean_motion={{Deg2DMS|0.202310|sup=ms}} / day
| orbit_ref=[1]
| observation_arc=113.69 yr (41526 d)
| uncertainty=0
}}Nenetta (minor planet designation: 289 Nenetta) is a typical A-type asteroid. It was discovered by Auguste Charlois on 10 March 1890 in Nice. The spectrum of 289 Nenetta reveals the strong presence of the mineral Olivine, a relative rarity in the asteroid belt. References1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=289;cad=1 |title=289 Nenetta |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=11 May 2016}}
}}External links{{Minor planets navigator|288 Glauke|number=289|290 Bruna}}{{Small Solar System bodies}}{{DEFAULTSORT:000289}}{{Beltasteroid-stub}} 6 : Background asteroids|Discoveries by Auguste Charlois|Named minor planets|A-type asteroids (Tholen)|A-type asteroids (SMASS)|Astronomical objects discovered in 1890 |