Saturday, 28 September 2019

Asteroid 2019 SU2 passes the Earth.

Asteroid 2019 SU2 passed by the Earth at a distance of about 72 000 km (0.19 times the average  distance between the Earth and the Moon, or 0.05% of the distance between the Earth and the Sun), slightly before 2.50 am GMT on Saturday 21 September 2019. There was no danger of the asteroid hitting us, though were it to do so it would not have presented a significant threat. 2019 SU2 has an estimated equivalent diameter of 2-6 m (i.e. it is estimated that a spherical object with the same volume would be 2-6 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 more than 38 km above the ground, with only fragmentary material reaching the Earth's surface.

The calculated orbit of 2019 SU2. JPL Small Body Database.

2019 SU2 was discovered on 22 September 2019 (the day after its closest encounter with the Earth) by the University of Arizona's Mt. Lemmon Survey at the Steward Observatory on Mount Lemmon in the Catalina Mountains north of Tucson. The designation 2019 SU2 implies that the asteroid was the 68th object (asteroid U2 - in numbering asteroids the letters A-Y, excluding I, are assigned numbers from 1 to 24, with a number added to the end each time the alphabet is ended, so that A = 1, A1 = 25, A2 = 49, etc., which means that U2 = 20 + (24 X 2) = 68) discovered in the second half of September 2019 (period 2010 S).

2019 SU2 has a 1409 day orbital period and an eccentric orbit tilted at an angle of 0.45° to the plane of the Solar System, which takes it from 0.93 AU from the Sun (i.e. 93% of he average distance at which the Earth orbits the Sun) to 3.98 AU from the Sun (i.e. 3.98% of the average distance at which the Earth orbits the Sun, and more that twice as far from the Sun as 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).

See also...

https://sciencythoughts.blogspot.com/2019/09/fireball-meteor-over-east-anglia.html#https://sciencythoughts.blogspot.com/2019/09/asteroid-504800-2010-co1-passes-earth.html
https://sciencythoughts.blogspot.com/2019/09/asteroid-2019-rt3-passes-earth.htmlhttps://sciencythoughts.blogspot.com/2019/09/fireball-meteor-over-northern-germany.html
https://sciencythoughts.blogspot.com/2019/09/asteroid-2019-rb2-passes-earth.htmlhttp://sciencythoughts.blogspot.com/2019/09/plane-crash-near-tavistock-in-devon.html
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17 comments:

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    Replies
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  7. Quick Cure By Dr Alika 
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  9. I Never believed i was ever going to be HSV FREE again, DR.Ehiaguna has given me reasons to be happy, i was HSV positive for 2 years and all the means and medicine i tried for treatment was not helpful to me, but when i came on the Internet i saw great testimony about DR.Ehiaguna on how he was able to cure someone from HSV 2, this person said great things about this man, and advice we contact him for any Disease problem that DR.Ehiaguna can be of help, well i decided to give him a try, he requested for my information which i sent to him, and he told me he was going to prepare for me a healing portion, which he wanted me to take for days, and after which i should go back to the hospital for check up, well after taking all the treatment sent to me by DR.Ehiahuna , i went back to the Hospital for check up, and now i have been confirmed HSV NEGATIVE, friends you can reach DR.Ehiaguna on any treatment of any Disease cos i saw many testimony of different disease like, HEPATITIS,HIV AIDS,EPILEPSY, CANCER,CFS he is the one only one i can show you all up to, reach him on drehiaguna@gmail.com or whatsApp him now +2348073908953. quick contact him for help and you can just quickly drop your number on your first mail as i did for easily conversation

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  13. I Want To Appreciate Dr.OYAGU for his great deeds, I Was Diagnosed With type 2 Herpes Virus Last year,And i Was Looking For Solution To Be Cured Luckily I Saw Testimonies On How Dr.OYAGU Cure Herpes Virus I Decided To Contact Dr.OYAGU I Contacted Him He Prepared A Herbal Medicine Portion And Sent It To Me,I Started The Herbal Medicine For My Health.He Gave Me Step By Step Instructions On How To Apply It, When I Applied It As Instructed, I Was Cured Of This Deadly Herpes Within 2 weeks, I Am Now Herpes Negative.My Brother And Sister I No That There Are So Many People That Have The Same Herpes Virus Please contact Dr OYAGU To Help You Too,And Help Me To Thank Dr.OYAGU For Cure Me, I’m Cured By Dr. OYAGU Herbal Medicine,His Contact Email:oyaguherbalhome@gmail.com

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