Imagine the panic and consider the possible test runs which have been active lately.
From Cometografía on Comet C / 2017 T2
Snip:
I am looking at theAsteroid 2015VW172with Wide Field Camera 3 for on Sun, 03 Nov 2019 14:14:31 -05:00
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The Solar System Origins Legacy Survey
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Proposal 15648 (STScI Edit Number: 3, Created: Thursday, August 15, 2019 at 4:05:35 PM Eastern Standard Time) - Overview
Alpha Monocerotids - Wikipedia
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From Cometografía on Comet C / 2017 T2
Snip:
他们发现在2017年10月2日的机器人telescope surveillance Pan-STARRS in Hawaii (USA) when the comet was magnitude 20 and was on the constellation Eridanus, in the days following observations made by different observers reported a comma of up to 12 " diameter and the presence of a small tail 20 "long.
The C / 2017 T2 (Pan - STARRS)是一个新的彗星来自最外层部分啊f the Oort Cloud. It will reach its perihelion on May 4, 2020 at a distance of 1.62 AU from the Sun, before will have a first approach to Earth on December 29 at the distance of 1.52 AU from our planet, and a subsequent approach the May 28, 2020 at a distance of 1.66 AU. Available observations to date determine a light curve with approximate parameters of absolute magnitude of m 0= 6 which corresponds with a core of about 3 km in diameter and an increased rate of activity of n = 3. The kite will have its maximum apparent brightness in May 2020 when it could reach a visual magnitude close to 8 being observable then through binoculars from the Northern Hemisphere, but will be observable by small telescopes or binoculars giant above magnitude 9 throughout the first half of 2020.
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I am looking at theAsteroid 2015VW172with Wide Field Camera 3 for on Sun, 03 Nov 2019 14:14:31 -05:00
Current Solar System Configuration
This interactive 3D model shows the today's configuration of themajor bodiesof the Solar System along their orbits. It is an experimental feature and it requires aWebGLenabled browser. For more advanced features, check out our3D Solar System Simulator.
Please provide usfeedback!
These are the brightestcometscurrently visible in the sky. The Observed Magnitude and Coma Diameter values are derived from theComet Observers Databaseby averaging the values reported in recent observations (more recent than 4 days), when available.
The Estimated Magnitude comes from the JPL Horizons ephemerides service and might be inaccurate given the highly dynamic and unpredictable behvior of comets. When available please refer to the Observed Magnitude value and consider the Estimated Magnitude as a directional indication.
Bright Comets Today
These are the brightestcometscurrently visible in the sky. The Observed Magnitude and Coma Diameter values are derived from theComet Observers Databaseby averaging the values reported in recent observations (more recent than 4 days), when available. The Estimated Magnitude comes from the JPL Horizons ephemerides service and might be inaccurate given the highly dynamic and unpredictable behvior of comets. When available please refer to the Observed Magnitude value and consider the Estimated Magnitude as a directional indication.
The Solar System Origins Legacy Survey
info
Proposal 15648 (STScI Edit Number: 3, Created: Thursday, August 15, 2019 at 4:05:35 PM Eastern Standard Time) - Overview