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Blog Archive


MAVEN orbit insertion timeline

Posted by Emily Lakdawalla on 2014/09/21 12:55 CDT | 3 comments

Today's the day that MAVEN enters orbit at Mars, bringing the number of Mars orbiters up to four. So far everything looks good. The orbit insertion burn should begin tonight at 18:50 PDT / 01:50 UTC. I'll be on stage with Mat Kaplan and Rich Zurek at Planetary Radio Live, keeping up to date with the latest news from the spacecraft; here is a timeline in PDT, UTC, CEST, and IST to help you follow along.

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Mars Orbiter Mission prepares for Mars arrival

Posted by Srinivas Laxman on 2014/09/16 01:12 CDT | 3 comments

The countdown for the crucial and nerve-wracking Mars orbit insertion of India's Mars Orbiter Mission (MOM) on September 24 has kicked off. At ISRO's telemetry, tracking and command network (ISTRAC) in Bangalore, the mood among the scientists is right now a mixture of optimism, excitement, and nervous apprehension.

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Mars Orbiter Mission arrival timeline

Posted by Emily Lakdawalla on 2014/09/16 01:11 CDT | 15 comments

Mars Orbiter Mission's fated arrival day is approaching fast! Here is the timeline of orbit insertion events, converted from India Standard Time to Universal, European, and Pacific time zones, and corrected for the 12.5 minutes it will take signals to reach Earth from Mars.

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Mars Orbiter Mission to test-fire main engine before orbit insertion
UPDATE: Test firing to take place September 22

Posted by Emily Lakdawalla on 2014/09/04 12:59 CDT | 1 comments

According to a report in the Times of India, ISRO is deciding today whether to test-fire Mars Orbiter Mission's main engine to make sure it will work for their all-important orbit insertion maneuver on September 24. Both ISRO's Mars Orbiter Mission and NASA's MAVEN are in good health and on track for their arrivals in three weeks.

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Mars orbiters plan for their October encounter with comet Siding Spring

Posted by Emily Lakdawalla on 2014/08/13 06:00 CDT | 2 comments

Now that we have reasonable confidence that our Mars orbiters will be safe from the close passage of comet Siding Spring, we are free to be excited about the opportunity that the encounter represents. At a community workshop on August 11, representatives from Mars missions shared their plans for great comet science.

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Mars-bound mission updates: Mars Orbiter Mission maneuvers, MAVEN detects Mars

Posted by Emily Lakdawalla on 2014/06/11 10:59 CDT | 12 comments

India's Mars Orbiter Mission has accomplished its second trajectory correction manuever, a small rocket burn lasting only 16 seconds. Meanwhile, NASA's MAVEN is testing out its instruments, with one obtaining "first light" on Mars.

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All's well in cruise phase for Mars-bound spacecraft MAVEN and Mars Orbiter Mission

Posted by Emily Lakdawalla on 2014/02/11 10:15 CST | 5 comments

A hundred days after launch, India's Mars Orbiter Mission is doing just fine, and so is NASA's MAVEN.

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What's up in planetary missions in 2014

Posted by Emily Lakdawalla on 2013/12/31 01:15 CST | 4 comments

With the New Year upon us, what can we look forward to in 2014? For me, the main event of 2014 is that ESA's Rosetta mission finally -- finally! -- catches up to the comet it has been chasing for a decade. We will lose LADEE, gain two Mars orbiters, and launch Hayabusa2. The year begins with an amazing 24 spacecraft exploring or cruising toward various planetary destinations.

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Quick Chang'e 3 and Mars Orbiter Mission updates

Posted by Emily Lakdawalla on 2013/12/11 11:01 CST | 6 comments

Yesterday Chang'e 3 lowered its orbit periapsis to a mere 15 kilometers, and Mars Orbiter Mission successfully performed a trajectory correction maneuver.

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Congratulations due to India: Mars Orbiter Mission is on the way to Mars!

Posted by Emily Lakdawalla on 2013/11/30 02:51 CST | 35 comments

Today I am delighted to welcome India into the ranks of interplanetary travelers: Mars Orbiter Mission has successfully propelled itself onto an interplanetary trajectory, departing Earth forever and setting sail for Mars. Congratulations to India, to the Indian Space Research Organisation, to the mission's scientists and engineers, and to the people of India.

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Mars Orbiter Mission ready to fly onward from Earth to Mars

Posted by Emily Lakdawalla on 2013/11/30 09:25 CST | 10 comments

Today is the day when India's Mars Orbiter Mission will fire its rocket to depart Earth and begin its 300-day journey to Mars. The rocket burn begins on December 1 at 00:49 IST (today at 19:19 UT / 11:19 PT).

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Why are MAVEN and Mars Orbiter Mission taking such different paths to Mars?

Posted by Emily Lakdawalla on 2013/11/22 12:15 CST | 20 comments

Two spacecraft launched for Mars this month: Mars Orbiter Mission on November 5, and MAVEN on November 18. MAVEN is now on an interplanetary trajectory, while Mars Orbiter Mission is still in Earth orbit and will not depart for Mars until the end of the month. A lot of people are asking me: why the difference? Here's your answer, with input from Dave Doody.

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First image from India's Mars Orbiter Mission

Posted by Emily Lakdawalla on 2013/11/20 11:17 CST | 6 comments

Here, for your enjoyment, is the first image of Earth taken by the mission's Mars Colour Camera.

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Mars Orbiter Mission Update: Supplemental burn planned for today

Posted by Emily Lakdawalla on 2013/11/11 10:09 CST | 25 comments

Yesterday, the Mars Orbiter Mission was commanded to perform a rocket burn that would have raised the apogee of its orbit around Earth. The spacecraft began its burn, but underperformed. ISRO has planned a supplemental burn for November 12 at 05:00 IST (today at 15:30 PT / 23:30 UT) in order to make up the deficit.

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A hiccup in the orbital maneuvers for Mars Orbiter Mission

Posted by Emily Lakdawalla on 2013/11/10 10:06 CST | 7 comments

The Mars Orbiter Mission completed its first, second, and third of six planned maneuvers in Earth orbit successfully last week. However, the fourth maneuver, conducted on Sunday at 12:36 PST / 20:36 UTC / Monday 02:06 IST, failed to lift the apogee of the orbit as high as planned.

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Mars Orbiter Mission update: first apogee-raising burn completed

Posted by Emily Lakdawalla on 2013/11/06 02:11 CST | 15 comments

When the Mars Orbiter Mission launched yesterday, it launched into Earth orbit. The Mars Orbiter Mission must perform several rocket burns in order to increase its orbital altitude before departing for Mars. The first burn was completed successfully just minutes ago.

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A picture-perfect launch for ISRO's Mars Orbiter Mission

Posted by Emily Lakdawalla on 2013/11/05 04:11 CST | 14 comments

The PSLV carrying ISRO's Mars Orbiter mission shot like a firework off the launch pad today, placing the spacecraft precisely into its planned elliptical orbit of Earth. Now the 10-month cruise phase begins. Congratulations to ISRO!

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Watching the Mars Orbiter Mission launch

Posted by Emily Lakdawalla on 2013/11/04 11:13 CST

Here is a list I've compiled of places that I'll be watching for news of the Mars Orbiter Mission launch...

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India prepares to take flight to Mars with the Mars Orbiter Mission (MOM)

Posted by Emily Lakdawalla on 2013/10/31 02:38 CDT | 11 comments

The excitement is really building toward India's first-ever attempt at an interplanetary spacecraft! Launch day is quickly approaching for the Mars Orbiter Mission. In this lengthy post, I provide answers to frequently asked questions about the mission and its goals.

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India's Mars Orbiter Mission now set for November 5 launch date

Posted by Emily Lakdawalla on 2013/10/22 01:01 CDT | 7 comments

The launch of ISRO's Mars Orbiter Mission has been delayed by about a week due to bad weather in the Indian Ocean. The new launch date is November 5 at 14:36 IST (09:06 UTC / 01:06 PST). Their launch opportunity stretches to November 19.

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