54 Alexandra is a carbonaceous asteroid from the intermediate asteroid belt, approximately 155 kilometers in diameter. It was discovered by German-French astronomer Hermann Goldschmidt on 10 September 1858, and named after the German explorer Alexander von Humbold; it was the first asteroid...
A comet has been added to the list of potentially threatening near-Earth objects maintained by NASA's Jet Propulsion Laboratory. Comet Catalina 2005 JQ5 is the largest - and therefore most potentially devastating - of the 70 objects now being tracked. However, the chances of a collision are ver...
The annual Lyrid meteor shower will reach its peak activity on April 21–22, 2006, reaching maximum around midnight. The peak is broad enough that the number of meteors should be consistent until morning twilight. The crescent Moon will not interfere with the shower because it rises about an hour be...
The 39 - 88 metre wide asteroid 2018 GR1 will make a close pass (18.1 lunar distances, 0.04673 AU), travelling at 16.36 km/second, to the Earth on the 21st April 2018 @ 19:53 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
The 880 - 2000 metre wide asteroid 242643 (2005 NZ6) will make a close pass (46.9 lunar distances, 0.12064 AU), travelling at 27.33 km/second, to the Earth on the 21st April 2018 @ 19:04 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256...
The 1100 - 2400 metre wide asteroid 138847 (2000 VE62) will make a close pass (67.8 lunar distances, 0.17423 AU), travelling at 11.81 km/second, to the Earth on the 21st April 2018 @ 14:36 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.002...
The 28 - 62 metre wide asteroid 2018 GS2 will make a close pass (23.8 lunar distances, 0.06125 AU), travelling at 14.37 km/second, to the Earth on the 21st April 2018 @ 13:12 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Title: Puzzling asteroid 21 Lutetia: our knowledge prior to the Rosetta fly-by Authors: I.N.Belskaya, S.Fornasier, Yu.N.Krugly, V.G.Shevchenko, N.M.Gaftonyuk, M.A.Barucci, M.Fulchignoni, R.Gil-Hutton A wide observational campaign was carried out in 2004-2009 aimed to complete the gro...
The 160 - 360 metre wide asteroid 2016 JP will make a close pass (11.9 lunar distances, 0.03073 AU), travelling at 12.75 km/second, to the Earth on the 20th April 2018 @ 22:36 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
The 16 - 37 metre wide asteroid 2018 GS3 will make a close pass (8.5 lunar distances, 0.02188 AU), travelling at 19.78 km/second, to the Earth on the 20th April 2018 @ 13:38 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements: 2010 JO33 Earth MOID = 0.0096 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 17.36104 (2000.0) P Q n 0.24754809 Peri. 4.01556 -0.60009893 +0.79846870 a 2.5120580 Node 229.11519 -0.73568420 -0.57458830 e 0.5943151 Incl. 3.65987 -0.31408602 -0.17971090 P 3.98 H 25.3 G 0.15 U 8 [ur...
Orbital elements: 2008 TD4 Earth MOID = 0.0899 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 209.37792 (2000.0) P Q n 0.40085419 Peri. 54.73215 +0.10095622 +0.98070089 a 1.8217066 Node 222.06266 -0.97455638 +0.06363082 e 0.6173554 Incl. 14.47280 -0.20011924 +0.18486992 P 2.46 H 19.8 G 0.15 [url...
The 270 - 590 metre wide asteroid 514914 (2008 TN26) will make a close pass (72.0 lunar distances, 0.18502 AU), travelling at 15.36 km/second, to the Earth on the 20th April 2018 @ 11:20 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256...
The magnitude 13.3 asteroid (187) Lamberta will occult the magnitude 6.2 star HD 360 in the constellation Cetus, at 05:54 UT, 22nd July, 2010. The 98.8 second event is visible from Antarctica. Position (2000): RA 00 08 17.5325, Dec -08 49 26.804 187 Lamberta is a main-belt asteroid that was discover...
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