* Astronomy

Orbital elements: 2011 SC191 Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 161.34112 (2000.0) P Q n 0.53940109 Peri. 190.20291 -0.96463524 +0.26212072 a 1.4946110 Node 5.24571 -0.21533621 -0.72288650 e 0.0458443 Incl. 17.68717 -0.15201700 -0.63931826 P 1.83 H 19.4 G 0.15 U 8 MPEC 2011 - T0...

Orbital elements: 2011 SD191 Earth MOID = 0.2298 AU Epoch 2011 Sept. 16.0 TT = JDT 2455820.5 MPC M 42.55773 (2000.0) P Q n 0.51733281 Peri. 72.68320 +0.83799612 +0.37617993 a 1.5368189 Node 263.70224 -0.51062227 +0.79603764 e 0.2924511 Incl. 23.43361 +0.19242506 +0.47414421 P 1.91 H 17....

Orbital elements: 2011 SE191 Earth MOID = 0.0181 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 1.28361 (2000.0) P Q n 0.24097105 Peri. 309.82652 +0.70900651 +0.70500178 a 2.5575618 Node 5.42165 -0.58044265 +0.59693857 e 0.6500547 Incl. 10.24254 -0.40049482 +0.38293190 P 4.09 H 25.1 G 0...

A bright sungrazer comet has entered the field of view of the C3 instrument of the SOHO satellite. The comet belongs to the Kreutz orbital group. Expand (137kb, 560 x 560) Credit: SOHO/MDI Real time image (794kb, 1024 x 1024) Ed ~ Correct image uploaded

Collimating a Newtonian Telescope Powering your telescope Attaching an SLR camera to your Newtonian Telescope

Orbital Elements at Epoch 2455000.5 (2009-Jun-18.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000) Element Value Uncertainty (1-sigma) Units e .2797703481381237 1.3489e-05 a 1.049271124841953 6.1309e-06 AUq .7557161769536391 9.7575e-06 AUi 2.986692502379344 0.00010124 degnod...

Orbital elements: 2009 HV2 PHA, Earth MOID = 0.0327 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 350.58245 (2000.0) P Q n 0.46841426 Peri. 260.72019 +0.47905088 +0.87480294 a 1.6420359 Node 38.17708 -0.75242288 +0.45166858 e 0.4997425 Incl. 6.71920 -0.45207307 +0.17525783 P 2.10 H 21.3 G 0.15...

George Robert Carruthers ( born October 1, 1939 in Cincinnati, Ohio) is an African American inventor, physicist, and space scientist. He has lived most of his life on the South Side of Chicago. Read more

Miss Mitchell's Comet (formally designated C/1847 T1) was a comet that was discovered by American astronomer Maria Mitchell. Read more

Typhoon Nalgae (22W) is forecast to make landfall in the Philippines probability for CAT 1 or above is 40% in about 42 hours probability for TS is 65% in about 42 hours

Orbital elements: 2011 SO189 Earth MOID = 0.0018 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 2.92740 (2000.0) P Q n 0.34126752 Peri. 307.32662 +0.63969612 +0.76862124 a 2.0280224 Node 2.44967 -0.67937352 +0.56735783 e 0.5726255 Incl. 4.29808 -0.35950033 +0.29551055 P 2.89 H 26.5 G 0....

Orbital elements: 2011 SN189 Earth MOID = 0.0786 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 345.80313 (2000.0) P Q n 0.51622248 Peri. 356.45958 +0.99972185 -0.01069111 a 1.5390218 Node 4.32398 +0.02163604 +0.77048994 e 0.2976415 Incl. 16.18964 -0.00938589 +0.63736250 P 1.91 H 25.6...

Orbital elements: 2011 SM189 Earth MOID = 0.0611 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 1.11938 (2000.0) P Q n 0.25550367 Peri. 132.18503 +0.79775722 +0.60242908 a 2.4596385 Node 190.85605 -0.58564764 +0.76395954 e 0.5935828 Incl. 7.85545 -0.14352793 +0.23118179 P 3.86 H 24.7 G...

Orbital elements: 2011 SG189 Earth MOID = 0.2385 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 13.49910 (2000.0) P Q n 0.29139986 Peri. 276.62198 +0.38841988 +0.89627928 a 2.2532523 Node 20.75703 -0.40310321 +0.37414213 e 0.6045545 Incl. 37.15279 -0.82863611 +0.23811997 P 3.38 H 20.3...

Orbital elements: 2011 SJ189 Earth MOID = 0.1548 AU Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC M 338.80502 (2000.0) P Q n 0.38410218 Peri. 8.10646 +0.85233823 -0.52200498 a 1.8742961 Node 23.44667 +0.47519630 +0.74735266 e 0.3864621 Incl. 4.62716 +0.21842164 +0.41106544 P 2.57 H 22.6 G 0...