33 What is the feasibility of launching a probe to Sedna? 2014-02-01T19:53:08.650

22 How are flight plans calculated? 2013-07-22T07:51:13.887

22 Do any launches bypass LEO? 2013-07-22T17:13:27.440

19 Why will JUICE take 8 years to reach Jupiter, longer than any earlier spacecraft? 2013-08-08T14:20:46.200

18 In deep space missions, how much of the journey is pre-programmed and how much is "direct" control? 2017-03-10T10:02:59.913

18 Can we set up an orbiting transporter between Earth and the Moon? 2018-01-23T18:41:35.393

17 Would leaving the ecliptic plane offer any benefit to interstellar travel? 2013-07-29T22:43:56.250

15 The Russians recently tested a new launch trajectory that goes to the space station in about six hours. What allowed for the difference? 2013-07-19T01:13:39.033

15 Gravity assist for manned travel 2013-07-31T19:26:17.670

15 Is 678 km the new altitude record for a rocket shot "straight up"? 2017-04-20T11:33:39.363

14 What software can be used to determine deep-space trajectories? 2014-02-11T15:27:24.653

13 Space travel using constant acceleration drive: Earth to Europa 2014-03-05T18:47:09.023

12 If something "falls off" the L2 or L1 point, where will it go? 2014-02-19T13:02:40.877

12 Has Luna been used for gravity assist for interplanetary probes? 2014-03-18T14:34:26.097

12 What is the least energetic trajectory design to send uncrewed supplies to Mars? 2014-12-12T16:48:58.173

12 Why don't we take the shortest route to Mars? 2015-10-29T18:49:52.207

12 Can the Falcon Heavy handle deep space missions? 2018-02-12T19:29:20.690

11 What does the BackFlip lunar cycler do in its pass by Earth? 2014-03-05T04:03:59.427

11 Are any spacecraft heading remotely where Planet 9 is expected to be? 2016-01-23T23:18:03.547

11 Current position of Starman 2018-02-07T20:12:56.483

10 Why Earth flybys? 2013-11-14T14:26:38.047

10 Is it possible to "map" the Interplanetary Transport Network? 2014-03-05T16:01:41.280

10 What's the best flightpath to get to Sedna by 2076? 2014-03-15T13:31:44.197

10 How many burns did the Apollo 11 mission need? 2014-06-13T15:05:29.060

10 Climbing at terminal velocity minimizes losses? But why? And "of what"? 2014-09-23T03:33:20.123

10 How accurate are modern ephemerides, and how does their accuracy degrade over time? 2014-10-30T18:19:27.900

10 What is the reason for the Ariane 5 launcher with Intelsat 29e losing altitude? 2016-01-27T23:35:25.610

10 How was Juno's arrival set up to be on the evening of July 4th? 2016-06-21T16:35:27.990

9 Physics and math behind flight through solar system 2013-07-20T11:24:08.417

9 Ephemeris data usage in interplanetary trajectory application 2014-02-08T21:48:32.790

9 Software to simulate / optimize ascent trajectory 2014-09-07T12:32:15.127

9 Mathematics used for SpaceX first stage re-entry burn guidance? 2015-01-26T19:56:01.047

9 Finding accurate periapse rendezvous radius using interplanetary Lambert solver 2015-06-02T18:42:04.843

8 How can I figure out the distance to Juno at any point in time? 2013-10-07T13:53:43.207

8 Why is it so difficult to predict the exact reentry location and time of a very low earth orbit object? 2013-11-11T00:20:44.813

8 For an EML-1 to Mars transfer orbit, would flying to the right or left of Earth be preferable? 2014-02-28T21:23:42.733

8 Visualization of non-Keplerian orbits for solar sails 2014-05-05T11:08:50.947

8 Is a lunar Sun-synchronous orbit possible at the "frozen" inclination of 86°? 2014-09-17T20:57:23.127

8 Does terminal velocity play a significant role when launching from Earth? 2015-04-24T15:25:59.767

8 Number of burns for optimal launch ascent 2017-04-10T20:15:35.320

8 Range of BFR as single stage 2017-12-19T04:32:21.710

8 How far around the world does a rocket travel before it enters orbit? 2018-01-23T03:59:22.740

7 When could MAVEN launch to get to Mars, if it misses its launch date? 2013-10-02T07:56:19.633

7 How much time is needed for interplanetary trajectory design? 2014-07-04T03:02:20.400

7 Low Thrust Interplanetary Transfers 2015-01-04T05:25:17.830

7 How can we track where DSCOVR is now? 2015-02-12T01:42:38.687

7 General guidelines for modeling a low thrust ion spiral? 2015-03-12T02:24:17.637

7 How useful is the Interplanetary Transport Network? 2015-06-05T15:01:08.500

7 Optimal trajectory for solar electric propulsion? 2015-11-28T23:42:40.487

7 Why are the Right Ascension of spacecraft leaving the Solar System so similar? 2016-01-25T14:39:25.597

7 How would a bulk payload like fuel (instead of delicate technology) change boost to LEO optimization? 2016-08-28T00:20:23.903

7 Multiple solutions to Lambert's problem 2017-04-21T01:58:50.060

7 How to optimize time of ignition for an on-orbit burn and/or coast phase on ascent? 2017-08-06T06:59:24.127

7 How long will it take for Starman to complete one orbit of the sun? 2018-02-08T01:14:29.657

6 How can I predict what an object's orbital state vectors will be in the future? 2014-03-24T15:36:54.007

6 Cyclers To Mercury? 2014-05-01T14:30:40.810

6 On Apollo launches, what altitude would the LES reach? 2014-10-15T23:43:56.693

6 How does a lander get from orbit to the ground? 2015-07-26T20:19:23.663

6 Apollo guidance 2017-02-28T22:48:51.720

6 How to determine $\Delta v$ loss due to gravitational pull from earth 2017-03-27T19:40:34.977

6 Implementing control system to track position and velocity references simultaneously 2017-12-29T20:27:37.583

6 Improvements to script for Finite Burn Trajectory Optimization with MATLAB 2018-01-27T05:17:06.847

5 Trajectory optimization 2015-04-21T09:36:15.277

5 Low Time-of-Flight Lambert Solver Trajectory Errors 2015-06-18T15:28:11.370

5 How can Sun-Jupiter Lagrangian points be used by flyby probes? 2015-08-05T08:33:26.473

5 Can you reach the Sun by only thrusting horizontally? 2015-10-08T06:27:52.967

5 How are rockets guided to follow specific trajectory? 2016-01-04T23:43:43.423

5 How much reentry speed did the Shuttles shed by doing a series of sharp turns? 2016-04-08T20:04:10.487

5 Are there Practical Methods to Measure the Distance between a Spacecraft and an Astronomical Body? 2016-12-04T01:11:31.310

5 Best practices for rocket ascent trajectory guidance 2017-04-11T06:08:18.843

5 How do you minimise sum of atmosphere and gravity loss? 2018-02-04T19:23:07.493

5 Earth polar orbit to Lunar polar orbit 2018-02-25T22:08:23.083

4 What is the escape velocity of the Alpha Centauri system at the binary's barycenter 2014-02-10T15:42:28.777

4 Lunar sub-orbital trajectories 2014-05-01T22:25:29.287

4 When New Horizons is closest to Pluto, how fast will it be going (km/s)? 2015-06-27T13:25:30.063

4 Understanding gravitational keyhole analysis for Near-Earth Objects 2015-12-17T17:16:06.937

4 Are there any free return trajectories for a manned Mars flyby mission between 2018 and 2024? 2016-01-22T01:37:31.360

4 What is the launch profile for interplanetary missions typically like? 2016-04-12T14:51:39.177

4 How will the Lucy spacecraft move from Jupiter's L4 to its L5 Trojan asteroids? 2017-01-11T16:23:27.950

4 Are ion thruster trajectories classified as brachistochrones? 2017-03-29T10:55:57.180

4 Starman trajectory in future 2018-02-07T10:38:05.653

3 Economical Suborbital Trajectory Analysis Software 2014-02-02T01:06:36.530

3 What is the best approach vector for orbital capture by an outer solar system body? 2014-02-21T16:57:03.607

3 Does NASA ever plan crewed missions without a free return trajectory? 2014-10-11T15:24:48.567

3 Mathematics of Gravity Assists 2015-05-11T19:45:48.720

3 Gradulated Accelerated Transfer 2015-07-06T02:05:50.990

3 What's the cheapest way to send 10,000 kg to Mars? 2015-08-12T01:27:49.737

3 Modifications to impulse burn trajectory for low thrust propulsion 2015-10-25T21:27:16.383

3 Saving delta-v by splitting plane changing manoeuvre? 2015-12-15T16:18:50.440

3 Why can't deep-space missions escape orbit by skipping off the atmosphere? 2015-12-20T14:44:35.797

3 Would you arrive sooner on Mars from Earth if you wait or if you leave immediately, when it's furthest from Earth? 2016-06-14T00:58:39.947

3 Could the Dragon 2 abort after trans-lunar injection? 2017-04-23T23:12:18.677

3 Differential Equations for Rocket Launch in Polar Coordinates 2017-09-07T17:45:12.330

3 From which direction should a spacecraft intercept a target planet's sphere of influence for an inner-to-outer planet trajectory? 2017-09-30T22:04:57.060

3 What would the SpaceX's BFR flight trajectories look like? 2017-10-02T08:37:22.487

3 How to get true anomaly from time? 2017-12-12T00:30:27.300

3 Falcon Heavy path and propulsion to Mars 2018-01-25T18:42:13.763

3 Launch Trajectories 2018-02-26T23:45:53.000

2 Do the proper ephemeri yet exist to calculate trajectories to Sedna? 2014-02-22T04:18:15.773