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ISSTracker  by  Burning PlatformLocation / Navigation category

 My-MeeGo user rating: 80% (4 votes) (4 votes), 6 comments(s)

 Rate and comment on this application!

ISSTracker is an application to track satellites and predict their visible night time passes over user's location.

ISSTracker for Nokia N9 / N950 / MeeGo Harmattan

It supports the ISS (International Space Station / Zarya), Hubble Space Telescope, and any other satellite (out of hundreds listed at defined by the user.

The ISS is an especially interesting object for sky watchers because (in favorable conditions) its visual brightness reaches -4 mag., i.e. much brighter than the brightest star Sirius, and often even brighter than Venus (even by 8 to 16 times when it produces flares as sunlight glints off its reflective surfaces). So it often becomes the third brightest object in our sky, after the Sun and the Moon. The ISS orbits the Earth at very high speed so it passes over one's location many times a day, but it is visible only in certain conditions: when the sky is dark enough not to outshine it, and the Sun is not too low under the horizon for its light to reach the ISS and get reflected by it. This means that the ISS can be seen only shortly after the sunset or before the sunrise. And it only takes several minutes (usually between 1 and 10) for it to cross the sky and disappear.

This program predicts visible passes of ISS, HST and any other satellite. It calculates and displays dates and times of approach, visibility duration, and azimuths and elevations of approach, transit and departure (i.e. where the satellite becomes visible, where it disappears and what is its higest elevation).

ISSTracker for Nokia N9 / N950 / MeeGo Harmattan

For each satellite the program shows (and updates every 3 seconds) on Nokia Maps its current position and where it will be within the next hour (in 5-minute steps). The map can be zoomed in/out from world map to street level, and map imagery can be selected from street, terrain and satellite.

In addition to ISS and HST, the user can add any other satellite out of hundreds of satellites listed at Adding a satellite only takes entering its name and the name of file containing its orbit data (as listed on CelesTrak).

ISSTracker for Nokia N9 / N950 / MeeGo Harmattan

The program automatically downloads and saves current orbit data from CelesTrak, which assures the highest precision.

User location can be obtained from the GPS receiver or entered manually.

Company / Maintainer
Contact or Home page
Average user rating
80% (4 votes) (4 votes)
User comments
Compatible phones
(unless stated otherwise in the program description above)
N9, N950

  User comments for  ISSTracker

NameComment and rating
from Somewhere on Earth
on 2016-05-09 21:28 CET [Rate: 6/10]
from ITALY
on 2013-09-07 16:52 CET
Hi, thanks for this great app! It would be very nice if there would be also an option to set a kind of push-notification or an alarm to remind a visible pass! Isn't it a good idea? :)thanks again [Rate: 9/10]
on 2013-08-22 21:43 CET
That's great to hear! I'll look forward to the updates! [No rate]
  Burning Platform
on 2013-08-21 02:53 CET
Hi Ruben, thank you for your kind opinion. You are right, the HST definitely wasn't the best choice, unlike the ISS. In one of the next versions, I will add more pre-defined satellites to choose from, and possibly also more user-configurable entries. Regarding the magnitude, it is a very good idea. In its current version the program does not calculate it, but I will try to add it in one of the next releases. [No rate]
on 2013-08-20 19:56 CET
Works well. Simple yet effective. I wonder though, can you add a magnitude column? That's kind of essential information is you want to observe any satellite. The HST is not very interesting imo. I'd much rather have a list of all the Iridium satellites. They are generally very bright and a lot of fun to observe! I hope you read this! Great app otherwise, lots of potential! [Rate: 8/10]
from The Internet
on 2013-08-04 22:59 CET
Yet another great astronomy related app of yours! Thank you very much. Have made some suggestions in forum topic for the app. Maybe you find some of them "inspiring". [Rate: 9/10]

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