Tag: attitude

37 Why did the Space Shuttle fly upside-down normally 2015-10-14T19:51:32.860

36 How is a rocket stabilized during the initial, slow speed, portion of launch? 2015-09-25T20:14:40.890

34 Does a satellite naturally turn in phase with its orbit, always facing Earth? 2014-05-04T13:05:49.680

31 Why does the ISS rotate exactly once per orbit? 2015-10-15T18:18:28.270

22 Did Sputnik 1 have attitude control? 2016-10-14T14:05:14.323

21 Did the designers of Voyager neglect the angular momentum of the tape recorders? 2015-07-24T17:10:34.163

19 Why does NASA intentionally spin space probes? 2013-10-11T18:21:28.877

19 When Mir's attitude control computer failed, why did the station immediately start rotating? 2015-12-31T12:37:03.887

18 Optimal placement of 4 reaction wheels? 2013-07-16T21:03:46.940

18 How does astronaut activity from within affect a spacecraft? 2013-07-24T02:37:44.540

17 What control engineering techniques are used for the landing maneuvers of Falcon 9-R? 2015-01-24T13:38:20.663

16 How often must the ISS desaturate its control moment gyros? 2013-07-17T21:44:50.427

16 Passive attitude stabilization with magnets - are there studies based on actual flight data? 2013-08-26T16:14:56.393

16 How did the attitude system of the uncrewed Soyuz 7K-OK No.1 fail on the launch pad in 1966, killing ground staff as LES was activated? 2016-09-13T14:21:14.780

15 What factors determine whether a spacecraft/probe/satellite uses gyroscopes or propellant thrusters to rotate? 2014-03-24T14:50:43.470

14 How to tell a satellite is tumbling and out of control? 2016-02-10T04:34:21.793

13 How do astronauts turn in space? 2013-11-29T17:34:36.743

12 Do any spacecraft use GNSS for attitude determination? 2013-07-21T00:30:54.853

12 What is the math behind Magnetorquers? 2013-10-01T17:42:31.133

12 How is gyroless operation possible? 2013-11-06T03:01:33.810

12 What is so difficult about the ISS zero propellant maneuver? 2014-01-28T08:55:56.150

12 SpaceX's ITS - why gimbal only the inner cluster? 2016-10-02T02:04:13.203

12 How do Voyager 1's Trajectory Control Thrusters differ from its Attitude Control Thrusters? 2017-12-04T04:39:28.360

11 How powerful are reaction control wheels? 2015-08-13T06:44:50.933

11 What are the numbers on the Soyuz docking cam? 2015-09-04T15:49:45.040

11 What are quaternions and how are they used to represent spacecraft dynamics? 2016-12-11T12:23:39.910

11 At what RPM does a desaturated reaction wheel run? 2017-03-08T13:40:04.390

10 Would magnetic torquers placed in a polar satellite work? 2013-08-26T14:13:59.627

10 Electromagnetic Propulsion Technology 2013-09-03T00:18:41.323

10 Why would Kepler’s pointing problems be minimized if aimed within the ecliptic? 2013-09-11T07:57:06.923

10 ISS attitude during docking 2013-10-19T20:52:48.000

10 How does the space station rotate, if at all? 2014-09-11T19:51:50.670

10 What kind of thrusters will the James Webb Space Telescope use for station keeping? 2015-01-14T23:41:57.267

10 Does ISS stop rotation for docking? 2016-01-08T10:51:59.303

10 How does a single SRB control attitude? 2017-03-21T07:03:35.647

10 Xenon vs Hydrazine, "Should I Stay or Should I go?" Dawn mission decisions 2017-06-18T11:13:19.670

10 Did any rockets use differential throttling instead of gimbal? 2017-09-05T15:02:45.990

9 Can the reaction wheels also be used to store energy? 2014-06-12T17:00:45.087

9 AOCS for very small satellites (micro, nano, pico, femto) 2014-10-22T16:49:30.877

9 Coordination of RCS on Apollo CSM/LM 2016-02-28T17:38:04.000

9 How fast can the space shuttle change its attitude in space? 2016-03-24T08:25:10.217

9 Where's the helm of the ISS? 2016-04-19T19:45:37.760

8 How is spin stability used in spacecraft? 2013-07-31T10:45:09.250

8 Could Magnetorquers be used on the ISS? 2013-09-19T16:14:27.707

8 Why does the ISS points always the same side towards the Earth? 2015-04-09T11:57:28.700

8 When did Kepler roll over and how does it match the anomalies of KIC 8462852? 2015-10-21T11:04:01.570

8 Use of 4 reaction wheels in place of 3 2015-12-21T10:14:57.410

8 Did Skylab have a fixed orientation? 2016-02-07T19:21:33.680

8 What is the minimum number of RCS thrusters capable of stabilizing a satellite against an arbitrary rotation? 2016-03-11T14:37:31.050

8 Why does the torque due to a reaction wheel shift to the center of mass of the spacecraft? 2016-07-28T10:56:27.803

8 Does the way this experimental kill vehicle moves and thrusts suggest it contains inertia wheels? 2016-10-26T09:07:32.947

7 Have Magnetorquers been used anywhere outside of the Earth? 2013-09-19T23:04:27.820

7 How does a launch vehicle control its trajectory during the first stage? 2013-11-18T23:10:30.880

7 What is "forward rotation" of a spacecraft? 2013-12-01T04:40:15.933

7 What is a "Y-Thomson spin"? 2015-02-12T09:59:22.560

7 Rotation speed of Progress M-27M 2015-05-18T23:13:17.373

7 New Horizons - Orientation in space 2015-07-15T21:24:10.200

7 What is the maximum acceptable latency in rocket control computers? 2015-10-07T15:10:19.767

7 How can a yo-yo de-spin maneuver reverse the rotation? 2016-06-12T22:25:31.273

7 Will this magnetorquer configuration effectively desaturate a reaction wheel? 2016-09-21T11:30:15.117

7 How are the Voyagers' thrusters configured in a novel way to minimize accelerations along Earth-spacecraft axis? 2016-12-08T16:23:40.377

7 Could the ISS stop rotating wrt the stars for a few days, then start again? 2017-01-09T07:38:11.407

6 How could aerodynamic forces break up the Challenger orbiter? 2014-10-29T04:28:37.573

6 Can a free falling astronaut change his spin and orientation? 2014-12-09T16:24:28.570

6 What auxiliary engines do the Falcon 9 first stage have? 2015-03-03T08:43:56.390

6 Why do upper stages spin before deploying satellites? 2015-04-25T11:56:17.267

6 Does the second stage of the Falcon 9 have RCS thrusters? 2015-05-20T17:05:01.027

6 What are the ISS moments of inertia around design axes? 2015-09-04T20:13:20.420

6 Why is ISS spinning even though stabilized by gyroscopes? 2015-11-30T23:26:04.483

6 Could an articulated permanent magnet work as a low-power cubesat magnetotorquer? Problems? 2016-08-04T04:00:17.890

6 What does "Q frame" means in terms of satellite coordinates? 2016-12-11T07:38:09.967

6 What are the sizes and locations of Progress's thrusters? 2017-04-03T16:16:42.713

6 How do rate gyros measure yaw, roll and pitch rates? 2017-04-15T06:29:16.940

6 What determines if a star tracker blends two stars that are close to each other? 2017-06-01T14:48:17.183

6 How does Voyager 1 keep track of its orientation? 2017-12-05T19:55:57.407

6 Inexplicable Offset in Satellite Laser Ranging (SLR) observations 2018-01-03T15:28:24.370

5 What pattern is made by the satellites of ESA's Swarm Mission? 2013-11-11T17:13:27.553

5 How does New Horizons control its attitude? 2015-06-17T18:23:05.573

5 How are IMU positions decided for rockets and spacecraft? 2015-11-19T12:45:20.470

5 Does ISS wobble north/south? 2016-01-08T11:07:49.850

5 Does a single off-axis thruster firing continuously eventually stabilize attitude gyroscopically? 2016-03-11T02:54:22.587

5 3-axis gravity gradient stabilization? 2016-04-03T01:30:07.450

5 Thrust vectoring for ion propulsion - any plans or current research? 2016-06-12T11:33:13.750

5 What ever happened to SpinSat - did it work? 2016-07-02T15:21:49.987

5 WRESAT spin dissipation system, was it passive or active? 2016-10-17T13:51:43.093

4 Is there an existing method of automatic thruster alignment? 2014-06-17T15:03:19.293

4 State of the art of satellite Attitude Determination and Control Systems 2016-01-27T21:52:27.397

4 Why would the dual keel space station design have been more stable? 2016-05-30T22:17:31.887

4 What is the icy formation on these rockets? 2016-06-15T23:05:15.053

4 Why did New Horizons have to be spin-balanced to grams-level precision? (With quarters!) 2017-04-15T13:18:52.260

4 How well and how rapidly can the ISS attitude control system detect periods of astronaut activity? 2017-05-08T00:08:19.650

4 Does the Hubble telescope use a "simple" PID-controller for its pointing control system? 2017-06-12T14:01:23.687

4 In what circumstance would it be useful for a satellite’s angular velocity to differ from its reference frame’s angular velocity? 2017-11-17T06:10:09.000

4 Initial attitude determination after deployment 2018-01-14T15:45:15.897

3 Star Tracker And Absolute Attitude 2016-05-14T08:56:02.517

3 Can Earth magnetic field be used for attitude determination in LEO? 2016-06-30T22:22:20.807

3 Passive spin damping system 2016-08-18T09:16:57.187

3 For the purposes of attitude control, do gyrodynes need to be placed at the center of mass? 2016-08-24T19:17:08.730

3 How to select/design a control algorithm for spacecraft attitude control? 2016-09-14T02:22:31.953