* Astronomy

Blobrana · Blobrana

The 20 - 42 metre wide asteroid 2007 DD made a close pass (41.3 Lunar Distances, 0.1061 AU), travelling at 2.94 km/s, to the Earth-Moon system on the 2nd May, 2009. See more The Lunar Distance (LD), the distance between Earth an...

Blobrana · Blobrana

Orbital elements: 2009 KK8 PHA, Earth MOID = 0.0103 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 356.64136 (2000.0) P Q n 0.22104317 Peri. 192.31251 +0.69345497 +0.71966655 a 2.7090560 Node 121.60367 -0.65754747 +0.65179009 e 0.6408303 Incl. 2.33130 -0.29453613 +0.23926919 P 4.46 H 18.8 G 0.1...

Blobrana · Blobrana

Orbital elements: C/2010 H4 (Scotti) T 2014 Jan. 16.982 TT MPC q 3.75547 (2000.0) P Q Peri. 287.115 -0.344372 +0.929668 Node 38.079 +0.921693 +0.308270 e 1.0 Incl. 167.750 +0.178577 +0.201709 From 18 observations 2010 Apr. 20-22.[url=http://www.minorplanetcenter.org/mpec/K10/K10H41.ht...

penelopeB · penelopeB

A big finding about extraterrestrial life can be announced Thurs at a NASA press conference. In a move one would expect from a web-savvy business like Apple, NASA has scheduled a media event with a cryptic description that initiates a flurry of conjecture. Based on the list of scientists involved in...

Blobrana · Blobrana

Orbital elements: 2009 PC Earth MOID = 0.0383 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 48.75313 (2000.0) P Q n 0.99120801 Peri. 48.23688 -0.99474798 +0.05139014 a 0.9962298 Node 134.49818 -0.07689350 -0.94600548 e 0.3436624 Incl. 7.12888 +0.06755620 -0.32005106 P 0.99 H 23.2 G 0.15 U 9 [url...

Blobrana · Blobrana

2008 YT30 Earth Impact Risk Summary Torino Scale (maximum) Palermo Scale (maximum) -4.55 Palermo Scale (cumulative) -3.49 Impact Probability (cumulative) 6.7e-07 Number of Potential Impacts 124 Vimpact 14.82 km/s Vinfinity 9.77 km/s H 19.4 Diameter 0.450 km Mass 1.3e+11 kg Energy 3.3e+03 MT...

Blobrana · Blobrana

Waves and Small Particles in Ring A: Specially designed Cassini orbits place Earth and Cassini on opposite sides of Saturn's rings, a geometry known as occultation. Cassini conducted the first radio occultation observation of Saturn's rings on May 3, 2005. Three simultaneous r...

Blobrana · Blobrana

Orbital elements: 2009 MH1 Earth MOID = 0.3879 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 177.66710 (2000.0) P Q n 0.92346048 Peri. 358.73977 -0.34132703 -0.78097354 a 1.0443767 Node 111.00324 +0.86720972 -0.47629007 e 0.7312918 Incl. 34.07443 +0.36255090 +0.40401498 P 1.07 H 19.1 G 0.15 Fr...

Blobrana · Blobrana

The 3300 - 7400 metre wide asteroid 1998 TU3 will make a close pass (69.1 lunar distances, 0.1774 AU), travelling at 9.85 km/second, to the Earth-Moon system on the 17th October, 2010 @ 10:25 UT. See more The Lunar Distance (LD)...

Blobrana · Blobrana

Orbital elements: Object H G Epoch M Peri. Node Incl. e a Arc C K10E65O 9.7 0.15 K103P 344.522 271.886 315.810 11.382 0.44456 25.07778 45 M K10E65P 5.5 0.15 K103P 353.988 354.496 205.597 18.361 0.36300 51.37019 44 M K10E65U 9.1 0.15 K103P 0.145 180.808 4.639 15.129 0.02927 18.79967 39EM K10G34X 8.1 0...

Blobrana · Blobrana

Title: Long-Term Stability of Horseshoe Orbits Authors: Matija Cuk, Douglas P. Hamilton, Matthew J. Holman Unlike Trojans, horseshoe coorbitals are not generally considered to be long-term stable (Dermott and Murray, 1981; Murray and Dermott, 1999). As the lifetime of Earth's and Venus's hor...

Blobrana · Blobrana

The surface of Venus is perpetually covered by a veil of thick clouds and remains hidden from even the powerful telescopic eyes of earth-bound astronomers. But in the early 1990s, using imaging radar, the V...

Blobrana · Blobrana

Title: Giant Planets Authors: Tristan Guillot (CASSIOPEE), Daniel Gautier (LESIA) We review the interior structure and evolution of Jupiter, Saturn, Uranus and Neptune, and extrasolar giant planets with particular emphasis on constraining their global composition. [url=http://arxiv.or...

Blobrana · Blobrana

Orbital elements: 2009 LE Earth MOID = 0.0176 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 342.60976 (2000.0) P Q n 0.66000179 Peri. 214.84755 +0.40284255 +0.84179455 a 1.3064896 Node 81.35024 -0.73523761 +0.53142832 e 0.2356733 Incl. 21.31151 -0.54510874 -0.09468831 P 1.49 H 23.7 G 0.15 U 8 [u...

Blobrana · Blobrana

Orbital elements: 2010 DM PHA, Earth MOID = 0.0340 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 48.30483 (2000.0) P Q n 0.42088112 Peri. 218.35592 +0.99847226 +0.02041136 a 1.7634497 Node 140.38146 -0.00176486 +0.94057672 e 0.7993558 Incl. 4.61861 -0.05522715 +0.33896728 P 2.34 H 18.9 G 0.15 U 9...

Sub Forum	Topics	Posts	Last Post
Sun	2	2	Oct 31 07:18 2014 by Blobrana
Mercury	15	40	Mar 7 09:34 2017 by Blobrana
Venus	6	22	Jan 16 21:02 2017 by Blobrana
Earth Sub-forums: The Moon	155	476	May 24 17:34 2018 by Blobrana
Mars Mars Sub-forums: Deimos, Phobos	89	135	Jun 8 11:44 2017 by Blobrana
Asteroids Asteroids Sub-forums: Asteroids 2012, Asteroids 2013, Asteroids 2014, Asteroids 2015, Asteroids 2016, Asteroids 2017, Asteroids 2018	5725	8202	Jun 15 16:39 2018 by Blobrana
Jupiter	23	1273	Jun 15 16:26 2018 by Blobrana
Saturn	16	22	Apr 17 10:18 2017 by Blobrana
Uranus	16	39	Apr 11 13:56 2017 by Blobrana
Neptune	6	9	Apr 14 06:52 2015 by Blobrana
Pluto	15	66	Jun 15 10:37 2017 by Blobrana
Plutinos	1	1	May 9 10:58 2013 by Blobrana
Comets Comets Sub-forums: Comets 2013, Comets 2014, Comets 2015, Comets 2016, Comets 2017, Comets 2018	599	2290	May 27 10:07 2018 by Blobrana

Topic		Started By	Replies	Last Post
	Asteroid 2007 DD (Preview) The 20 - 42 metre wide asteroid 2007 DD made a close pass (41.3 Lunar Distances, 0.1061 AU), travelling at 2.94 km/s, to the Earth-Moon system on the 2nd May, 2009. See more The Lunar Distance (LD), the distance between Earth an...	Blobrana	4	Jul 16 06:04 2012 by Blobrana
	Asteroid 2009 KK8 (Preview) Orbital elements: 2009 KK8 PHA, Earth MOID = 0.0103 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 356.64136 (2000.0) P Q n 0.22104317 Peri. 192.31251 +0.69345497 +0.71966655 a 2.7090560 Node 121.60367 -0.65754747 +0.65179009 e 0.6408303 Incl. 2.33130 -0.29453613 +0.23926919 P 4.46 H 18.8 G 0.1...	Blobrana	3	Jul 13 06:32 2012 by Blobrana
	Comet C/2010 H4 (SCOTTI) (Preview) Orbital elements: C/2010 H4 (Scotti) T 2014 Jan. 16.982 TT MPC q 3.75547 (2000.0) P Q Peri. 287.115 -0.344372 +0.929668 Node 38.079 +0.921693 +0.308270 e 1.0 Incl. 167.750 +0.178577 +0.201709 From 18 observations 2010 Apr. 20-22.[url=http://www.minorplanetcenter.org/mpec/K10/K10H41.ht...	Blobrana	7	Jul 12 05:27 2012 by Blobrana
	NASA notifies press about statement of large discovery (Preview) A big finding about extraterrestrial life can be announced Thurs at a NASA press conference. In a move one would expect from a web-savvy business like Apple, NASA has scheduled a media event with a cryptic description that initiates a flurry of conjecture. Based on the list of scientists involved in...	penelopeB	3	Jul 9 09:26 2012 by Blobrana
	Asteroid 2009 PC (Preview) Orbital elements: 2009 PC Earth MOID = 0.0383 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 48.75313 (2000.0) P Q n 0.99120801 Peri. 48.23688 -0.99474798 +0.05139014 a 0.9962298 Node 134.49818 -0.07689350 -0.94600548 e 0.3436624 Incl. 7.12888 +0.06755620 -0.32005106 P 0.99 H 23.2 G 0.15 U 9 [url...	Blobrana	3	Jul 8 23:13 2012 by Blobrana
	Asteroid 2008 YT30 (Preview) 2008 YT30 Earth Impact Risk Summary Torino Scale (maximum) Palermo Scale (maximum) -4.55 Palermo Scale (cumulative) -3.49 Impact Probability (cumulative) 6.7e-07 Number of Potential Impacts 124 Vimpact 14.82 km/s Vinfinity 9.77 km/s H 19.4 Diameter 0.450 km Mass 1.3e+11 kg Energy 3.3e+03 MT...	Blobrana	2	Jun 26 06:07 2012 by Blobrana
	Ring A Saturn (Preview) Waves and Small Particles in Ring A: Specially designed Cassini orbits place Earth and Cassini on opposite sides of Saturn's rings, a geometry known as occultation. Cassini conducted the first radio occultation observation of Saturn's rings on May 3, 2005. Three simultaneous r...	Blobrana	5	Jun 19 15:33 2012 by Blobrana
	Asteroid 2009 MH1 (Preview) Orbital elements: 2009 MH1 Earth MOID = 0.3879 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 177.66710 (2000.0) P Q n 0.92346048 Peri. 358.73977 -0.34132703 -0.78097354 a 1.0443767 Node 111.00324 +0.86720972 -0.47629007 e 0.7312918 Incl. 34.07443 +0.36255090 +0.40401498 P 1.07 H 19.1 G 0.15 Fr...	Blobrana	2	Jun 19 04:07 2012 by Blobrana
	Asteroid (66146) 1998 TU3 (Preview) The 3300 - 7400 metre wide asteroid 1998 TU3 will make a close pass (69.1 lunar distances, 0.1774 AU), travelling at 9.85 km/second, to the Earth-Moon system on the 17th October, 2010 @ 10:25 UT. See more The Lunar Distance (LD)...	Blobrana	1	Jun 17 05:22 2012 by Blobrana
	Asteroid 2010 EO65, 2010 EP65, 2010 EU65, 2010 GX34 (Preview) Orbital elements: Object H G Epoch M Peri. Node Incl. e a Arc C K10E65O 9.7 0.15 K103P 344.522 271.886 315.810 11.382 0.44456 25.07778 45 M K10E65P 5.5 0.15 K103P 353.988 354.496 205.597 18.361 0.36300 51.37019 44 M K10E65U 9.1 0.15 K103P 0.145 180.808 4.639 15.129 0.02927 18.79967 39EM K10G34X 8.1 0...	Blobrana	2	Jun 14 17:05 2012 by Blobrana
	Quasi-satellite orbits (Preview) Title: Long-Term Stability of Horseshoe Orbits Authors: Matija Cuk, Douglas P. Hamilton, Matthew J. Holman Unlike Trojans, horseshoe coorbitals are not generally considered to be long-term stable (Dermott and Murray, 1981; Murray and Dermott, 1999). As the lifetime of Earth's and Venus's hor...	Blobrana	0	Jun 14 04:52 2012 by Blobrana
	Venus ( 1 2 3 4 5 … 8 ) Planet Venus (Preview) The surface of Venus is perpetually covered by a veil of thick clouds and remains hidden from even the powerful telescopic eyes of earth-bound astronomers. But in the early 1990s, using imaging radar, the V...	Blobrana	70	Jun 4 22:17 2012 by Blobrana
	Giant Planets (Preview) Title: Giant Planets Authors: Tristan Guillot (CASSIOPEE), Daniel Gautier (LESIA) We review the interior structure and evolution of Jupiter, Saturn, Uranus and Neptune, and extrasolar giant planets with particular emphasis on constraining their global composition. [url=http://arxiv.or...	Blobrana	1	Jun 1 01:42 2012 by Blobrana
	Asteroid 2009 LE (Preview) Orbital elements: 2009 LE Earth MOID = 0.0176 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 342.60976 (2000.0) P Q n 0.66000179 Peri. 214.84755 +0.40284255 +0.84179455 a 1.3064896 Node 81.35024 -0.73523761 +0.53142832 e 0.2356733 Incl. 21.31151 -0.54510874 -0.09468831 P 1.49 H 23.7 G 0.15 U 8 [u...	Blobrana	2	May 31 22:37 2012 by Blobrana
	Asteroid 2010 DM (Preview) Orbital elements: 2010 DM PHA, Earth MOID = 0.0340 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 48.30483 (2000.0) P Q n 0.42088112 Peri. 218.35592 +0.99847226 +0.02041136 a 1.7634497 Node 140.38146 -0.00176486 +0.94057672 e 0.7993558 Incl. 4.61861 -0.05522715 +0.33896728 P 2.34 H 18.9 G 0.15 U 9...	Blobrana	6	May 31 10:29 2012 by Blobrana
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