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The asteroid's provisional designation as a minor planet, "2024 YR 4", was assigned by the Minor Planet Center when its discovery was announced on 27 December 2024. [2] 2024 indicates the discovery year, the first letter, "Y", indicates that the asteroid was discovered in the second half-month of December (16 to 31 December) of that year, and "R 4" indicates that it was the 117th provisional ...
Date/Time Thumbnail Dimensions User Comment; current: 12:13, 4 November 2021: 1,089 × 1,362 (467 KB): Kwamikagami: Uploaded a work by VSO Very Large Telescope SPHERE/ZIMPOL team from P. Vernazza et al. (2021) "VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis."
Armageddon is a 1998 American science fiction disaster film produced and directed by Michael Bay, produced by Jerry Bruckheimer.The film follows a group of blue-collar deep-core drillers sent by NASA to destroy a gigantic asteroid, which is the size of Texas, on a collision course with Earth.
Outside the top four, the ranking of all the asteroids is uncertain, as there is a great deal of overlap among the estimates. The largest asteroids with an accurately measured mass, because they have been studied by the probe Dawn, are 1 Ceres with a mass of (939.3 ± 0.5) × 10 18 kg, and 4 Vesta at (259.076 ± 0.001) × 10 18 kg.
An asteroid nearly the size of a football field now has roughly a 0.28% chance of hitting Earth in about eight years, NASA says — though at one point earlier its estimate reached as high as 3.1% ...
These features were caused by the collision of meteors (consisting of large fragments of asteroids) or comets (consisting of ice, dust particles and rocky fragments) with the Earth. For eroded or buried craters, the stated diameter typically refers to the best available estimate of the original rim diameter, and may not correspond to present ...
2031 BAM, provisional designation 1969 TG 2, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter.It was discovered on 8 October 1969, by Soviet astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula. [8]
In 2002 Kaasalainen et al. used 63 lightcurves from the Uppsala Asteroid Photometric Catalog (UAPC) to construct a shape model of 44 Nysa. The shape model is conical, which they interpreted as indicating the asteroid may actually be a contact binary.