* Astronomy

Blobrana · L

RE: Asteroid 2012 DA14

Blobrana · L

Asteroid to be visible in Esperance

Esperance residents should to look for a slow-moving star-like object as it zips by the Earth from south to west.
Through a telescope, the asteroid will appear about the size of a distant star as it moves through the sky, almost eight times as fast as a rifle bullet and at an altitude well below the orbit of most communication satellites.
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Blobrana · L

Stranger in the night space rock to make close Earth flyby

A little-known asteroid will skim past Earth on 15 February, passing just 28 000 km from our planet. The 50 m-diameter chunk of space rock was discovered last year by ESA-sponsored amateur astronomers in Spain.
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Blobrana · L

Orbital elements:
2012 DA14                                                Earth MOID = 0.0001 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 231.09354              (2000.0)            P               Q
n   1.13477688     Peri.  195.53832     +0.95091090     +0.28940588
a   0.9103234      Node   146.99570     -0.25814724     +0.93713352
e   0.0894020      Incl.   11.60804     -0.17067061     +0.19500001
P   0.87           H   24.4           G   0.15           U   0

MPEC 2013 - C19

Key to Orbital elements

Blobrana · L

Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.  Mag
2013 02 14 000000 00 28 36.8 -72 29 20   0.0066  0.985   63.8 115.9  18.0
2013 02 14 020000 00 28 58.1 -72 36 12   0.0063  0.985   63.9 115.8  17.9
2013 02 14 040000 00 29 21.7 -72 43 45   0.0060  0.985   64.0 115.7  17.8
2013 02 14 060000 00 29 48.1 -72 52 04   0.0057  0.985   64.1 115.6  17.7
2013 02 14 080000 00 30 17.9 -73 01 19   0.0054  0.985   64.3 115.4  17.6
2013 02 14 100000 00 30 51.5 -73 11 38   0.0051  0.985   64.5 115.3  17.4
2013 02 14 120000 00 31 30.1 -73 23 13   0.0048  0.986   64.6 115.1  17.3
2013 02 14 140000 00 32 14.8 -73 36 19   0.0045  0.986   64.8 114.9  17.1
2013 02 14 160000 00 33 07.0 -73 51 16   0.0042  0.986   65.1 114.7  17.0
2013 02 14 180000 00 34 09.2 -74 08 29   0.0039  0.986   65.3 114.4  16.8
2013 02 14 200000 00 35 24.3 -74 28 32   0.0036  0.986   65.7 114.1  16.6
2013 02 14 220000 00 36 57.0 -74 52 09   0.0033  0.986   66.0 113.8  16.4
2013 02 15 000000 00 38 54.4 -75 20 25   0.0030  0.987   66.5 113.4  16.2
2013 02 15 020000 00 41 28.0 -75 54 51   0.0027  0.987   67.0 112.9  15.9
2013 02 15 040000 00 44 57.8 -76 37 41   0.0024  0.987   67.7 112.2  15.6
2013 02 15 060000 00 50 01.6 -77 32 25   0.0021  0.987   68.5 111.4  15.3
2013 02 15 080000 00 58 01.2 -78 44 43   0.0018  0.987   69.7 110.2  14.9
2013 02 15 100000 01 12 30.5 -80 24 13   0.0015  0.987   71.2 108.7  14.4
2013 02 15 120000 01 46 24.2 -82 47 00   0.0012  0.988   73.6 106.3  13.7
2013 02 15 140000 04 04 47.6 -85 51 30   0.00091 0.988   77.6 102.3  12.9
2013 02 15 160000 09 50 46.8 -81 48 20   0.00061 0.988   85.7  94.3  11.6
2013 02 15 180000 11 16 32.0 -57 22 29   0.00033 0.988  108.2  71.8   9.5
2013 02 15 200000 11 45 50.8 +20 12 14   0.00025 0.988  152.9  27.1   7.6
2013 02 15 220000 12 11 02.1 +63 43 13   0.00049 0.988  123.7  56.3   9.8
2013 02 16 000000 12 43 49.5 +76 25 54   0.00078 0.988  112.4  67.6  11.2
2013 02 16 020000 13 29 48.8 +81 49 37   0.0011  0.988  107.2  72.7  12.1
2013 02 16 040000 14 33 38.0 +84 30 08   0.0014  0.988  104.3  75.6  12.7
2013 02 16 060000 15 52 59.9 +85 46 01   0.0017  0.988  102.4  77.5  13.2
2013 02 16 080000 17 12 44.2 +86 11 37   0.0020  0.988  101.1  78.8  13.6
2013 02 16 100000 18 17 12.6 +86 10 17   0.0023  0.988  100.1  79.8  14.0
2013 02 16 120000 19 03 31.1 +85 57 29   0.0026  0.988   99.3  80.5  14.3
2013 02 16 140000 19 35 56.9 +85 41 04   0.0029  0.989   98.7  81.1  14.5
2013 02 16 160000 19 59 04.8 +85 24 23   0.0032  0.989   98.2  81.6  14.8
2013 02 16 180000 20 16 05.7 +85 08 41   0.0035  0.989   97.8  82.0  15.0
2013 02 16 200000 20 29 00.5 +84 54 20   0.0038  0.989   97.4  82.4  15.2
2013 02 16 220000 20 39 05.0 +84 41 24   0.0041  0.989   97.1  82.6  15.3
2013 02 17 000000 20 47 08.1 +84 29 46   0.0044  0.989   96.8  82.9  15.5
2013 02 17 020000 20 53 42.2 +84 19 18   0.0047  0.989   96.6  83.1  15.6
2013 02 17 040000 20 59 09.2 +84 09 53   0.0050  0.989   96.4  83.3  15.8
2013 02 17 060000 21 03 44.6 +84 01 22   0.0053  0.989   96.2  83.5  15.9
2013 02 17 080000 21 07 39.5 +83 53 39   0.0056  0.989   96.0  83.7  16.0

Blobrana · L

Update:
The 36 - 80 metre wide asteroid 2012 DA14 will make a return pass (0.09 lunar distances, 0.000228 au), travelling at 7.82 km/second, to the Earth-Moon system on the 15th February, 2013 @ 19:25 UT ±00:01.

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Google earth file: Asteroid 2012 DA14.kmz (19kb, kmz) (Version 7)

Blobrana · L

ScienceCast: Record-Setting Asteroid Flyby

Spoiler

On Feb. 15th an asteroid about half the size of a football field will fly past Earth closer than many man-made satellites. Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.

Blobrana · L

Asteroid to pass near Earth on Feb 15

An asteroid, the size of a city block, will squeeze by Earths atmosphere and the geostationary satellites orbiting the planet in February, scientists have revealed.
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Blobrana · L

Update:
The asteroid will make a return pass (0.000181 AU), travelling at 7.82 km/second, to the Earth-Moon system on the 15th February, 2013 @ 19:25 UT ±00:05.

Blobrana · L

The asteroid will make a return pass (0.000181 AU), travelling at 7.28 km/second, to the Earth-Moon system on the 15th February, 2013 @ 19:26 UT ±00:16.

Update:
Google earth file: Asteroid 2012 DA14.kmz (16kb, kmz) (Version 6)