(164207)_2004_GU9

<span class="nowrap">(164207) 2004 GU<sub>9</sub></span>

(164207) 2004 GU9

Sub-kilometer asteroid and quasi-satellite of Earth

(164207) 2004 GU9 is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group. It will be a quasi-satellite of Earth until around 2600.[3]

Quick Facts Discovery, Discovered by ...

On 14 April 2004 (with less than a 1-day observation arc), the Sentry Risk Table showed 180 virtual impactors.[4] It was removed from the Sentry Risk Table 2 days later on 16 April 2004.[5] (164207) 2004 GU9 now has a well determined orbit with an observation arc of 12 years.

Animation of (164207) 2004 GU9's orbit from 1600 to 2500
Relative to Sun and Earth
Around Earth
Around Sun
   Sun ·    Earth ·   2004 GU9

See also

References

  1. [1]
    "(164207) 2004 GU9". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2164207. Retrieved 7 April 2016.
  2. [2]
    "Absolute Magnitude (H)". NASA/JPL. Archived from the original on 2 March 2001.
  3. [3]
    Dynamical evolution of Earth’s quasi-satellites: 2004 GU9 and 2006 FV35
  4. [4]
    "Major News about Minor Objects: Risk monitoring". hohmanntransfer. 14 April 2004. Archived from the original on 6 November 2020. Retrieved 2 March 2015.
  5. [5]
    "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002. Retrieved 1 March 2015.
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