UST100604I4 - Method of placing a spacecraft into final earth orbit or earth escape trajectory - Google Patents
Method of placing a spacecraft into final earth orbit or earth escape trajectory Download PDFInfo
- Publication number
- UST100604I4 UST100604I4 US06007532H US100604DH UST100604I4 US T100604 I4 UST100604 I4 US T100604I4 US 06007532 H US06007532 H US 06007532H US 100604D H US100604D H US 100604DH US T100604 I4 UST100604 I4 US T100604I4
- Authority
- US
- United States
- Prior art keywords
- orbit
- spacecraft
- earth
- thrusting
- transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000003380 propellant Substances 0.000 abstract 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 230000007257 malfunction Effects 0.000 abstract 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
- B64G1/242—Orbits and trajectories
- B64G1/2427—Transfer orbits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
- B64G1/242—Orbits and trajectories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
- B64G1/405—Ion or plasma engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
- B64G1/411—Electric propulsion
- B64G1/415—Arcjets or resistojets
Abstract
The method of placing a spacecraft having on-board propulsion devices with self-start capabilities into a series of successively higher transfer orbits to attain from a low earth orbit a final earth orbit or earth escape trajectory. Incremental thrusting impulses limited to a thrusting level at which the acceleration of the spacecraft is more than 0.01 g at beginning of thrusting, but is no more than 0.3 g at termination of thrusting are applied to the spacecraft. The propulsion propellant is ignited upon the near completion of each orbit at the perigee altitude, the latter being substantially common to all of the transfer orbits. The duration of each propellant burn is selectively varied during the transit from one transfer orbit to the next higher orbit and results in the spacecraft being propelled into successively higher energy orbits or trajectories until the desired orbit or escape trajectory is attained. The self-start capability of the spacecraft permits it to be parked in any transfer orbit to permit checkout of its equipment and recapture if a malfunction is detected.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UST100604I4 true UST100604I4 (en) | 1981-05-05 |
Family
ID=2170067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US06007532H Pending UST100604I4 (en) | 1979-01-29 | Method of placing a spacecraft into final earth orbit or earth escape trajectory |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | UST100604I4 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409721A1 (en) * | 1989-07-19 | 1991-01-23 | Centre National D'etudes Spatiales | Satellite and method of bringing into orbit by gravitational assistance |
| US5152482A (en) * | 1990-06-29 | 1992-10-06 | Standard Space Platforms Corp. | Modular mother satellite bus for subsidiary payloads |
| US5271582A (en) * | 1990-06-29 | 1993-12-21 | Standard Space Platforms Corp. | Modular mother satellite bus for subsidiary payloads |
| US6059233A (en) * | 1996-12-31 | 2000-05-09 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Method and a system for launching satellites on non-coplanar orbits, making the use of gravitational assistance from the moon |
| US6097997A (en) * | 1997-03-25 | 2000-08-01 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6253124B1 (en) | 1997-04-24 | 2001-06-26 | Galaxy Development | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6278946B1 (en) | 1997-02-04 | 2001-08-21 | Galaxy Development, Llc | Procedure for generating operational ballistic capture transfer using computer implemented process |
| US6341250B1 (en) | 1997-03-25 | 2002-01-22 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6385512B1 (en) | 1999-04-16 | 2002-05-07 | Galaxy Development Llc | System and method of a ballistic capture transfer to L4, L5 |
| US7113851B1 (en) * | 1999-06-09 | 2006-09-26 | Walter Gelon | Practical orbit raising system and method for geosynchronous satellites |
-
1979
- 1979-01-29 US US06007532H patent/UST100604I4/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409721A1 (en) * | 1989-07-19 | 1991-01-23 | Centre National D'etudes Spatiales | Satellite and method of bringing into orbit by gravitational assistance |
| US5152482A (en) * | 1990-06-29 | 1992-10-06 | Standard Space Platforms Corp. | Modular mother satellite bus for subsidiary payloads |
| US5271582A (en) * | 1990-06-29 | 1993-12-21 | Standard Space Platforms Corp. | Modular mother satellite bus for subsidiary payloads |
| US6059233A (en) * | 1996-12-31 | 2000-05-09 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Method and a system for launching satellites on non-coplanar orbits, making the use of gravitational assistance from the moon |
| US6278946B1 (en) | 1997-02-04 | 2001-08-21 | Galaxy Development, Llc | Procedure for generating operational ballistic capture transfer using computer implemented process |
| US6442482B1 (en) | 1997-02-04 | 2002-08-27 | Galaxy Development, Llc | Procedure for generating operational ballistic capture transfer using a computer implemented process |
| US6097997A (en) * | 1997-03-25 | 2000-08-01 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6341250B1 (en) | 1997-03-25 | 2002-01-22 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6751531B2 (en) | 1997-03-25 | 2004-06-15 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6253124B1 (en) | 1997-04-24 | 2001-06-26 | Galaxy Development | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6577930B2 (en) | 1997-04-24 | 2003-06-10 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US20040176883A1 (en) * | 1997-04-24 | 2004-09-09 | Galaxy Development, Llc. | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6999860B2 (en) | 1997-04-24 | 2006-02-14 | Galaxy Development, Llc | Low energy method for changing the inclinations of orbiting satellites using weak stability boundaries and a computer process for implementing same |
| US6385512B1 (en) | 1999-04-16 | 2002-05-07 | Galaxy Development Llc | System and method of a ballistic capture transfer to L4, L5 |
| US7113851B1 (en) * | 1999-06-09 | 2006-09-26 | Walter Gelon | Practical orbit raising system and method for geosynchronous satellites |
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