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  2. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    It was once expected that any icy body larger than approximately 200 km in radius was likely to be in hydrostatic equilibrium (HE). [7] However, Ceres (r = 470 km) is the smallest body for which detailed measurements are consistent with hydrostatic equilibrium, [ 8 ] whereas Iapetus (r = 735 km) is the largest icy body that has been found to ...

  3. List of exceptional asteroids - Wikipedia

    en.wikipedia.org/wiki/List_of_exceptional_asteroids

    First asteroid discovered by means of astrophotography rather than visual observation 433 Eros: 13×13×33: August 13, 1898: First near-Earth asteroid discovered and the second largest; first asteroid to be detected by radar; first asteroid orbited and landed upon 482 Petrina: 23.3: March 3, 1902: First asteroid named after dog 490 Veritas: 115 ...

  4. Nasa issues alert for stadium-sized asteroid approaching Earth

    www.aol.com/nasa-issues-alert-stadium-sized...

    The asteroid’s massive size makes it 99 per cent larger than any other near-Earth objects, but will not pass close enough to see without a telescope. ... mini moon” as it is pulled into orbit ...

  5. 99942 Apophis - Wikipedia

    en.wikipedia.org/wiki/99942_Apophis

    99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.

  6. Asteroid Alinda: How to get a glimpse of massive, once in a ...

    www.aol.com/massive-once-century-asteroid...

    A massive asteroid, spanning more than two miles across, has just made its closest approach to Earth in decades - but its spectacle isn’t over yet. The asteroid, named (887) Alinda, will reach ...

  7. NASA reports 'potentially hazardous' stadium-size asteroid ...

    www.aol.com/nasa-reports-potentially-hazardous...

    Asteroid 2003 BMY, around 120-foot, will also pass by Earth on Thursday at a distance of more than 2 million miles. Finally, asteroid 2024 BP1 , measuring in at around 130 feet, will also pass by ...

  8. 2005 ED224 - Wikipedia

    en.wikipedia.org/wiki/2005_ED224

    2005 ED 224 is an asteroid with an estimated diameter of 54 meters. It had the soonest virtual impactor of an asteroid larger than 50 meters in diameter with a better than 1:1,000,000 chance of impacting Earth. On 11 March 2023, the line of variations (LOV) showed a 1-in-500,000 chance of impact. [2] It has a short observation arc of 3 days.

  9. Asteroid - Wikipedia

    en.wikipedia.org/wiki/Asteroid

    The size and shape of asteroids vary significantly, ranging from small rubble piles under a kilometer across and larger than meteoroids, to Ceres, a dwarf planet almost 1000 km in diameter. A body is classified as a comet, not an asteroid, if it shows a coma (tail) when warmed by solar radiation, although recent observations suggest a continuum ...