(4953) 1990 MU: Difference between revisions
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'''(4953) 1990 MU''' is an [[Earth-crossing asteroid]] belonging to the [[Apollo asteroid|Apollo]] family of [[asteroid]]s which also crosses the orbit of [[Mars]] and [[Venus]]. 1990 MU is the asteroid's [[Provisional designation in astronomy# |
'''(4953) 1990 MU''' is an [[Earth-crossing asteroid]] belonging to the [[Apollo asteroid|Apollo]] family of [[asteroid]]s which also crosses the orbit of [[Mars]] and [[Venus]]. 1990 MU is the asteroid's [[Provisional designation in astronomy#asteroids|temporary discovery name]]. It has now been assigned a permanent number from the [[Minor Planet Center]] (4953) indicating that its orbit has been confirmed, but has not (at least so far) been assigned a name. Only a small fraction of asteroids have been named. |
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It has an Earth [[minimum orbit intersection distance]] of 0.0276 [[Astronomical unit|AU]] (2,568,964 miles), which is close enough to classify it as a [[Potentially Hazardous Asteroid]] (PHA). It will make a close approach to Earth on 6 June 2027 at 0.0308 AU (2,865,481 miles) and even closer on 5 June 2058 at 0.0231 (2,147,885 miles). It will also make a close approach to Venus on 5 October 2012 at 0.0568 AU (5,276,056 miles) and again on 3 September 2041 at 0.0581 (5,396,118 miles). |
It has an Earth [[minimum orbit intersection distance]] of 0.0276 [[Astronomical unit|AU]] (2,568,964 miles), which is close enough to classify it as a [[Potentially Hazardous Asteroid]] (PHA). It will make a close approach to Earth on 6 June 2027 at 0.0308 AU (2,865,481 miles) and even closer on 5 June 2058 at 0.0231 (2,147,885 miles). It will also make a close approach to Venus on 5 October 2012 at 0.0568 AU (5,276,056 miles) and again on 3 September 2041 at 0.0581 (5,396,118 miles). |
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Revision as of 07:17, 25 August 2010
| Discovery[1] | |
|---|---|
| Discovered by | Robert H. McNaught |
| Discovery site | Siding Spring |
| Discovery date | 23 June 1990 |
| Designations | |
| Apollo asteroid NEO PHA | |
| Orbital characteristics[1] | |
| Epoch 18 June 2009 | |
| Aphelion | 2.687 AU (249,760,538 miles) |
| Perihelion | 0.556 AU (51,654,487 miles) |
| 1.621 AU (150,707,513 miles) | |
| Eccentricity | 0.657 |
| 754.03 days | |
Average orbital speed | .4774 deg/day |
| 131° 8' 34" | |
| Inclination | 24° 23' 55" |
| 77° 53' 41" | |
| 77° 35' 30" | |
| Physical characteristics | |
| 14 hours 13 mins | |
| 14.1 | |
_1990_MU.svg)
_1990_MU_inc.svg)
Additional orbital information
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|---|---|
| Earth MOID | 0.0276364 AU |
| Jupiter Tisserand parameter | 3.976 |
(4953) 1990 MU is an Earth-crossing asteroid belonging to the Apollo family of asteroids which also crosses the orbit of Mars and Venus. 1990 MU is the asteroid's temporary discovery name. It has now been assigned a permanent number from the Minor Planet Center (4953) indicating that its orbit has been confirmed, but has not (at least so far) been assigned a name. Only a small fraction of asteroids have been named.
It has an Earth minimum orbit intersection distance of 0.0276 AU (2,568,964 miles), which is close enough to classify it as a Potentially Hazardous Asteroid (PHA). It will make a close approach to Earth on 6 June 2027 at 0.0308 AU (2,865,481 miles) and even closer on 5 June 2058 at 0.0231 (2,147,885 miles). It will also make a close approach to Venus on 5 October 2012 at 0.0568 AU (5,276,056 miles) and again on 3 September 2041 at 0.0581 (5,396,118 miles).
See also
References
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