1 to 10 of 10 Results
Mar 5, 2022
Buccino, Dustin R; Kahan, Daniel; Yang, Oscar; Parisi, Marzia; Barbinis, Elias; Oudrhiri, Kamal, 2022, "Juno Gravity Science: Five Years of Radio Science Operations with Ka-band Uplink", https://hdl.handle.net/2014/55937, 2022 IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2022, JPL Open Repository
Since entering orbit on July 4, 2016, the Juno spacecraft has executed 34 closest approach passes of Jupiter, completing the prime mission. During each closest approach, called perijove, the spacecraft comes within 4,000 km of the cloud tops and the motion of the spacecraft becom... |
Aug 28, 2021
Buccino, Dustin; Parisi, Marzia; Yang, Oscar; Kahan, Daniel; Feldman, Michael; Oudrhiri, Kamal, 2021, "Calibration and Performance of Juno Radio Science Data", https://hdl.handle.net/2014/53312, International Union of Radio Science General Assembly & Science Symposium (URSI GASS) 2021, Rome, Italy, August 28 - September 4, 2021, JPL Open Repository
Juno Radio Science measures the frequency of X- and Ka-band radio links between the Juno spacecraft and the Earth-based observing stations of NASA’s Deep Space Network (DSN) in order to determine the gravitational field of Jupiter. The received frequency contains information on t... |
Mar 6, 2021
Buccino, Dustin R; Parisi, Marzia; Kahan, Daniel; Yang, Oscar; Oudrhiri, Kamal, 2021, "Capabilities and Performance of Juno’s Radio Science Instrumentation", https://hdl.handle.net/2014/53284, 2021 IEEE Aerospace Conference, Big Sky, Montana, March 6-13, 2021, JPL Open Repository
The Juno Gravity Science Instrument is a radio science instrument onboard the Juno spacecraft, which entered orbit around Jupiter in 2016. The prime objective of the radio science investigation is to estimate the gravitational field of Jupiter from the Doppler shift on the radio... |
Aug 29, 2020
Buccino, Dustin R; Parisi, Marzia; Yang, Oscar; Kahan, Daniel; Feldman, Michael; Oudrhiri, Kamal, 2020, "Calibration and Performance of Juno Radio Science Data", https://hdl.handle.net/2014/52341, International Union of Radio Science General Assembly & Science Symposium (URSI GASS) 2020, Rome, Italy, August 29 - September 5, 2020, JPL Open Repository
Juno Radio Science measures the frequency of X- and Ka-band radio links between the Juno spacecraft and the Earth-based observing stations of NASA’s Deep Space Network (DSN) in order to determine the gravitational field of Jupiter. The received frequency contains information on t... |
Mar 7, 2020
Okino, Clayton; Abraham, Douglas; Baker, John; Finley, Susan; Gao, Jay; Kahan, Daniel; Klesh, Andrew; Krajewski, Joel; Lay, Norman; Malhotra, Shan; O’Dea, Andrew; Oudrhiri, Kamal; Tkacenko, Andre; Towfic, Zaid; Johnstone, Andrew, 2020, "Opportunistic Arraying", https://hdl.handle.net/2014/52268, 2020 IEEE Aerospace Conference, Big Sky, Montana, March 7-14, 2020, JPL Open Repository
This paper discusses recent activities at JPL that are focused on extending the Opportunistic Multiple Spacecraft Per Antenna (OMSPA) concept to include arraying multiple antennas. Specifically, we explore the ability to process multiple open loop recordings associated with multi... |
Mar 7, 2020
Vilnrotter, Victor; Quadrelli, Marco; Hodges, Richard; Bandyopadhyay, Saptarshi; Finley, Susan; Kahan, Daniel, 2020, "Experimental Validation of Swarm Array Results Using Mars Cube One (MarCO) A,B Downlink Signals", https://hdl.handle.net/2014/52269, 2020 IEEE Aerospace Conference, Big Sky, Montana, March 7-14, 2020, JPL Open Repository
In this paper, we investigate the feasibility of calibrating an orbiting phaased array composed of CubeSat class spacecraft together with a larger reference (or “chief”) spacecraft, comprising an overall Swarm Array. Considered as an analog to the Deep Space Network (DSN) Uplink... |
Mar 7, 2020
Okino, Clayton; Abraham, Douglas; Baker, John; Finley, Susan; Gao, Jay; Kahan, Daniel; Klesh, Andrew; Krajewski, Joel; Lay, Norman; Malhotra, Shan; O’Dea, Andrew; Oudrhiri, Kamal; Tkacenko, Andre; Towfic, Zaid; Johnstone, Andrew, 2020, "Opportunistic Arraying", https://hdl.handle.net/2014/51122, 2020 IEEE Aerospace Conference, Big Sky, Montana, March 7-14, 2020, JPL Open Repository
This paper discusses recent activities at JPL that are focused on extending the Opportunistic Multiple Spacecraft Per Antenna (OMSPA) concept to include arraying multiple antennas. Specifically, we explore the ability to process multiple open loop recordings associated with multi... |
Mar 7, 2020
Buccino, Dustin; Soriano, Melissa; Oudrhiri, Kamal; Finley, Susan; Kahan, Daniel; Yang, Oscar; Jongeling, Andre, 2020, "Detecting Juno’s ‘Heartbeat’: Communications Support during Critical Events of the Juno Mission", https://hdl.handle.net/2014/51120, 2020 IEEE Aerospace Conference, Big Sky, Montana, March 7-14, 2020, JPL Open Repository
The first section of this paper summarizes the radio systems of the spacecraft, the antennas of the DSN, and signal processing performed in real-time on the ground to support the critical activities. The second section goes into detail on each of the critical events with details... |
Mar 7, 2020
Quadrelli, Marco M; Vilnrotter, Victor; Hodges, Richard; Bandyopadhyay, Saptarshi; Finley, Susan; Kahan, Daniel, 2020, "Experimental Validation of Swarm Array Results Using Mars Cube One (Marco) A,B Downlink Signals", https://hdl.handle.net/2014/51154, 2020 IEEE Aerospace Conference, Big Sky, Montana, March 7-14, 2020, JPL Open Repository
In this paper, we investigate the feasibility of calibrating an orbiting phased array composed of CubeSat class spacecraft together with a larger reference (or “chief”) spacecraft, comprising an overall Swarm Array. Considered as an analog to the Deep Space Network (DSN) Uplink A... |
May 12, 2008
Holmes, Dwight P.; Thompson., Tommy; Simpson, Richard; Tyler, G. Leonard; Dehant, Veronique; Rosenblatt, Pascal; Häusler, Bernd; Pätzold, Martin; Goltz, Gene; Kahan, Daniel; Valencia, Jose, 2008, "The challenges and opportunities for international cooperative radio science; experience with Mars Express and Venus Express missions", https://hdl.handle.net/2014/45375, SpaceOps 2008, Heidelberg, Germany, May 12-16, 2008, JPL Open Repository
Radio Science is an opportunistic discipline in the sense that the communication link between a spacecraft and its supporting ground station can be used to probe the intervening media remotely. Radio science has recently expanded to greater, cooperative use of international asset... |
