Friday, 2 March 2018

Asteroid 2018 DR passes the Earth.

Asteroid 2018 DR passed by the Earth at a distance of about 882 000 km (2.29 times the average distance between the Earth and the Moon, or 0.06% of the distance between the Earth and the Sun), at about 2.25 am GMT on Sunday 25 February 2018. There was no danger of the asteroid hitting us, though were it to do so it would not have presented a significant threat. 2018 DR has an estimated equivalent diameter of 6-21 m (i.e. it is estimated that a spherical object with the same volume would be 6-21 m in diameter), and an object of this size would be expected to explode in an airburst (an explosion caused by superheating from friction with the Earth's atmosphere, which is greater than that caused by simply falling, due to the orbital momentum of the asteroid) in the atmosphere between 35 and 20 km above the ground, with only fragmentary material reaching the Earth's surface.

The calculated orbit of 2018 DR. Minor Planet Center.

2018 DR was discovered on 22 February 2018 (three days before its closest approach to the Earth) by the University of Arizona's Catalina Sky Survey, which is located in the Catalina Mountains north of Tucson. The designation 2018 DR implies that it was the 17th asteroid (asteroid R) discovered in the second half of February 2018 (period 2018 D).
 
2018 DR has a 560 day orbital period and an eccentric orbit tilted at an angle of 7.89° to the plane of the Solar System, which takes it from 0.96 AU from the Sun (i.e. 96% of he average distance at which the Earth orbits the Sun) to 1.70 AU from the Sun (i.e. 170% of the average distance at which the Earth orbits the Sun, and further from the Sun than the planet Mars). It is therefore classed as an Apollo Group Asteroid (an asteroid that is on average further from the Sun than the Earth, but which does get closer). This means that 2018 DR has occasional close encounters with the Earth, with the last having happened in June 2007 and the next predicted for December 2020. The asteroid also has occasional close encounters with the planet Mars, with the next predicted for December 2059.

See also...

http://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2002-lx-passes-earth.htmlhttp://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2015-sy16-passes-earth.html
http://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2018-ch2-passes-earth.htmlhttp://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2018-cs1-passes-earth.html
http://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2018-ct-passes-earth.htmlhttp://sciencythoughts.blogspot.co.uk/2018/02/asteroid-2018-bt6-passes-earth.html
Follow Sciency Thoughts on Facebook.

2 comments:

  1. ASS..WR.WB.SAYA PAK RESKY TKI BRUNAY DARUSALAM INGIN BERTERIMA KASIH BANYAK KEPADA EYANG WORO MANGGOLO,YANG SUDAH MEMBANTU ORANG TUA SAYA KARNA SELAMA INI ORANG TUA SAYA SEDANG TERLILIT HUTANG YANG BANYAK,BERKAT BANTUAN AKI SEKARAN ORANG TUA SAYA SUDAH BISA MELUNASI SEMUA HUTAN2NYA,DAN SAWAH YANG DULUNYA SEMPAT DI GADAIKAN SEKARAN ALHAMDULILLAH SUDAH BISA DI TEBUS KEMBALI,ITU SEMUA ATAS BANTUAN EYANG WORO MANGGOLO MEMBERIKAN ANGKA RITUALNYA KEPADA KAMI DAN TIDAK DI SANGKA SANGKA TERNYATA BERHASIL,BAGI ANDA YANG INGIN DIBANTU SAMA SEPERTI KAMI SILAHKAN HUBUNGI NO HP EYANG WORO MANGGOLO (0823-9177-2208) JANGAN ANDA RAGU ANGKA RITUAL EYANG WORO MANGGOLO SELALU TEPAT DAN TERBUKTI INI BUKAN REKAYASA SAYA SUDAH MEMBUKTIKAN NYA TERIMAH KASIH
    NO HP EYANG WORO MANGGOLO (0823-9177-2208)
    BUTUH ANGKA GHOIB HASIL RTUAL EYANG WORO MANGGOLO
    DIJAMIN TIDAK MENGECEWAKAN ANDA APAPUN ANDA MINTA INSYA ALLAH PASTI DIKABULKAN BERGAUNLAH SECEPATNYA BERSAMA KAMI JANGAN SAMPAI ANDA MENYESAL
    angka;GHOIB: singapura
    angka;GHOIB: hongkong
    angka;GHOIB; malaysia
    angka;GHOIB; toto magnum
    angka”GHOIB; laos…
    angka”GHOIB; macau
    angka”GHOIB; sidney
    angka”GHOIB: vietnam
    angka”GHOIB: korea
    angka”GHOIB: brunei
    angka”GHOIB: china
    angka”GHOIB: thailand

    ReplyDelete
  2. perkenalkan nama saya Sahra. saya berasal dari kota Reog Ponorogo saya pernah bekerja sebagai seorang karyawan di salah satu restaurant di dubai. dimana saya sudah hampir kurang lebih 5 tahun lamanya saya bekerja di restaurant tersebut.

    Keinginan saya dan impian saya yang paling tinggi adalah ingin mempunyai usaha sendiri di kampung, namun jika hanya mengandalkan gaji yah mungkin butuh waktu yang sangat lama dimana belum biaya kontrakan dan utan yang menumpuk justru akan semakin sulit dan semakin lama impian itu tidak akan terwujud

    saya coba" buka internet dan saya lihat postingan teman di https://pesugihanputihislamia.blogspot.com. Saya buka di google dan disitulah awal kesuksesan saya sampai sekarang alhamdulillah ya allah...

    jika anda ingin mendapat jalan yang mudah untuk mendapat kesuksesan seperti saya anda tak perlu ragu. atau malu dikejar hutang lagi, Tergantung keyakinan dan kepercayaan saja. Banyak pilihan di berikan yaitu Dana Hibah, penglaris usaha dagan, dana gaib, anka gaib togel, jampi pelet, dll

    Kini saya berbagi pengalaman saja sudah saya rasakan dan buktikan. Atau mungkin ada teman mau hubungi langsung beliau ini nomer WhatsApp nya 0822 9127 7145 Semoga bermanfaat. aminn...

    ReplyDelete