A multiple space vehicle launch system that may be adapted to be disposed within a payload region of a launch vehicle fairing. The launch system may include a first space vehicle, a second space vehicle releasably attached to the first space vehicle and oriented relative to the first space vehicle s
A multiple space vehicle launch system that may be adapted to be disposed within a payload region of a launch vehicle fairing. The launch system may include a first space vehicle, a second space vehicle releasably attached to the first space vehicle and oriented relative to the first space vehicle such that, when placed within the fairing, a launch load of the first space vehicle is transmitted to and borne by the second space vehicle. In certain embodiments, the first and second space vehicles each may include one of an electrical propulsion unit and a hybrid chemical and electrical propulsion unit. Use of electrical or hybrid chemical and electrical propulsion units enables the second space vehicle to bear all or a significant portion of the launch load of the first space vehicle, thereby eliminating the need for additional support structure.
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1. A multiple space vehicle launch system, comprising: a first space vehicle including a first core structure;a second space vehicle including a second core structure releasably attached to the first space vehicle and oriented relative to the first space vehicle such that when placed within a fairin
1. A multiple space vehicle launch system, comprising: a first space vehicle including a first core structure;a second space vehicle including a second core structure releasably attached to the first space vehicle and oriented relative to the first space vehicle such that when placed within a fairing, a launch load from the first space vehicle is transmitted to and borne by the second space vehicle; andwherein the first core structure is attached to the second core structure. 2. The launch system of claim 1, wherein the first and the second space vehicles are oriented in a stacked configuration. 3. The launch system of claim 1, wherein the first and the second space vehicles are oriented in a vertically stacked configuration during launch. 4. The launch system of claim 1, wherein further comprising a fairing shaped to enclose the first and the second space vehicles. 5. The launch system of claim 4, wherein the fairing includes a base shaped to support the second space vehicle. 6. The launch system of claim 1, wherein the second space vehicle is attached to the first space vehicle such that the launch load from the first space vehicle is transmitted entirely to, and borne entirely by, the second space vehicle. 7. The launch system of claim 1, wherein the launch load from the first space vehicle is transmitted to the second space vehicle through the first core structure and the second core structure. 8. The launch system of claim 1, wherein the first and the second space vehicles each include an electrical propulsion unit. 9. The launch system of claim 8, wherein the electrical propulsion unit is an ion/plasma propulsion unit. 10. The launch system of claim 9, wherein the electrical propulsion unit includes Xenon gas. 11. The launch system of claim 1, wherein at least one of the first and the second space vehicles is a satellite. 12. A spacecraft launch system, comprising: a launch vehicle including a fairing having a payload region;a plurality of space vehicles disposed within the payload region, the plurality of space vehicles each having a core structure, the plurality of space vehicles being attached to each other by the core structures thereof and being oriented in a vertically stacked manner such that at least a portion of gravitational and launch loads of an upper space vehicle are transmitted to and borne by a lower space vehicle; andwherein each of the space vehicles includes at least one of an electrical propulsion unit and a hybrid electrical and chemical propulsion unit. 13. The spacecraft launch system of claim 12, wherein at least one of the space vehicles is a satellite. 14. The spacecraft launch system of claim 12, wherein each of the space vehicles includes an electrical propulsion unit. 15. A method of launching a plurality of space vehicles, the method comprising: providing a plurality of space vehicles, each of the plurality of space vehicles having a core structure and including at least one of an electrical propulsion unit and a hybrid electrical and chemical propulsion unit;orienting the plurality of space vehicles in a stacked manner within a payload region of a fairing of a launch vehicle and attaching the plurality of space vehicles to each other by the core structures thereof such that gravitational and launch loads of an upper one of the plurality of space vehicles is transmitted to and borne by a lower one of the plurality of space vehicles; andlaunching the launch vehicle with the plurality of space vehicles. 16. The method of claim 15, wherein providing a plurality of space vehicles includes providing at least one satellite. 17. The method of claim 15, wherein providing a plurality of space vehicles includes providing a first space vehicle and providing a second space vehicle. 18. The method of claim 17, wherein orienting the plurality of space vehicles includes attaching the first space vehicle to the second space vehicle such that a launch load of the first space vehicle is transmitted to and borne by the second space vehicle. 19. The method of claim 18, wherein attaching the first space vehicle to the second space vehicle includes attaching a core structure of the first space vehicle to a core structure of the second space vehicle. 20. The multiple space vehicle launch system of claim 1, further comprising the first and the second space vehicles each including a propulsion unit selected from an electrical propulsion unit and a hybrid chemical and electrical propulsion unit. 21. The multiple space vehicle launch system of claim 1, further comprising a pre-tensioned release band that connects the core structure of the first space vehicle with the core structure of the second space vehicle. 22. The multiple space vehicle launch system of claim 1, wherein the core structure of the second space vehicle extends upwardly above an upper edge of solar arrays of the second space vehicle to engage the core structure of the first space vehicle. 23. The multiple space vehicle launch system of claim 22, wherein the core structure of the first space vehicle does not extend beyond a lower edge of solar arrays of the first space vehicle.
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