New computer simulations of Mercury’s formation show the fate of material blasted out into space when a large proto-planet collided with a giant asteroid 4.5 billion years ago. The simulations, which track the material over several million years, shed light on why Mercury is denser than expected...
Title: WASP-8b: Characterisation of a Cool and Eccentric Exoplanet with Spitzer Authors: Patricio Cubillos (1,2), Joseph Harrington (1,2), Nikku Madhusudhan (3), Kevin B. Stevenson (4), Ryan A. Hardy (1), Jasmina Blecic (1), David R. Anderson (5), Matthew Hardin (1), Christopher J. Campo (1)...
The 250 - 570 metre wide asteroid 2000 GD147 will make a close pass (56.3 lunar distances, 0.1445 AU), travelling at 15.11 km/second, to the Earth-Moon system on the 22nd May, 2013 @ 21:00 UT ±00:41. See moreThe Lunar Di...
The Perseus molecular cloud is a nearby (600 ly) Giant Molecular Cloud in the constellation of Perseus and contains over 10,000 solar masses of gas and dust covering an area of 6 by 2 degrees. Read more
Title: Physical properties of B-type asteroids from WISE data Authors: Víctor Alí-Lagoa, Julia de León, Javier Licandro, Marco Delbó, Humberto Campins, Noemí Pinilla-Alonso, Michael S. Kelley Aims: Our aim is to obtain more information about the physical nature of B-type asteroids and extend...
As defined by IUPAC, rare earth elements or rare earth metals are a collection of seventeen chemical elements in the periodic table, namely scandium, yttrium, and the fifteen lanthanides. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as t...
The 840 - 1900 metre wide asteroid 2004 BV102 will make a close pass (69.9 lunar distances, 0.1795 AU), travelling at 26.53 km/second, to the Earth-Moon system on the 25th May, 2013 @ 18:28 UT ±00:01. See moreThe Lunar Distanc...
Orbital elements: 2009 SB PHA, Earth MOID = 0.0310 AU Epoch 2009 Sept. 6.0 TT = JDT 2455080.5 MPC M 329.33194 (2000.0) P Q n 0.26354100 Peri. 272.66258 -0.63639236 -0.76898589 a 2.4093723 Node 217.08719 +0.74159989 -0.58835445 e 0.8424490 Incl. 5.76210 +0.21221303 -0.24999949 P 3.74 H 20.3 G 0.15...
The 460 - 1000 metre wide asteroid 2002 OD20 will make a close pass (15.1 lunar distances, 0.0388 AU), travelling at 10.18 km/second, to the Earth-Moon system on the 23rd May, 2013 @ 13:59 UT ±00:01. See moreThe Lunar Distance...
Orbital elements:
2012 VN82 Earth MOID = 0.1188 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 256.66109 (2000.0) P Q
n 0.50368774 Peri. 330.85014 -0.93557483 +0.32865986
a 1.5644504 Node 228.92896 -0.28161720 -0.91508870
e 0.5167097 Incl. 9.86482 -0.21305280 -0.23365653
P 1.96 H 19....
Orbital elements: 2008 OX2 PHA, Earth MOID = 0.0320 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 186.34382 (2000.0) P Q n 0.91908022 Peri. 251.80696 -0.37297913 -0.92481513 a 1.0476923 Node 220.34747 +0.88898295 -0.33309090 e 0.6019824 Incl. 6.63957 +0.26569888 -0.18375918 P 1.07 H 20.1 G 0.1...
Orbital elements:
1988 TA PHA, Earth MOID = 0.0062 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 271.19207 (2000.0) P Q
n 0.51500092 Peri. 104.79389 +0.49734939 +0.86747393
a 1.5414545 Node 195.04721 -0.81204546 +0.46081769
e 0.4786267 Incl. 2.54187 -0.30532892 +0.18744610
P 1.91 H 20....
Orbital elements: 2009 BL2 Earth MOID = 0.0944 AU Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC M 321.19291 (2000.0) P Q n 0.25512509 Peri. 52.70570 -0.91155047 +0.40663423 a 2.4620712 Node 151.14076 -0.40580711 -0.86572523 e 0.5783258 Incl. 7.26392 -0.06630488 -0.29183629 P 3.86 H 19.5 G 0.15 U 8MP...
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