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| Presentation | 2009-06-25 11:20 Small sub-satellites: OKINA and OUNA for Lunar Gravity Measurements -- Results of Development and On-orbit Properties -- Takahiro Iwata, Hiroyuki Minamino, Takeshi Sasaki (JAXA), Noriyuki Namiki (Chiba Inst. of Tech.), Hideo Hanada, Nobuyuki Kawano (NAOJ), Tadashi Takano (JAXA/Nihon Univ., ISAS), Koji Matsumoto, Seiitsu Tsuruta, Hirotomo Noda (NAOJ), Takeshi Imamura (JAXA), Yoshiaki Ishihara (NAOJ)  SANE2009-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Two small sub-satellites: OKINA and OUNA have been separated from KAGUYA and injected into lunar orbits to measure gravity fields of the moon. They were designed as spin stabilized satellites without thrusters for orbital and attitude control for the purpose of precise orbital determination and enlightening of masses. Newly developed antennas and release mechanism have been confirmed to have enough performances by ground tests. OKINA, OUNA, and KAGUYA have executed 4-way Doppler measurements and differential VLBI observations, and produced the most precise global gravity maps. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OKINA / OUNA / KAGUYA / small satellite / orbit determination / gravity field / Rstar / Vstar | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 101, SANE2009-19, pp. 23-28, June 2009. | |
| Paper # | SANE2009-19 | |
| Date of Issue | 2009-06-18 (SANE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SANE2009-19 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2009-06-25 - 2009-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tsukuba Space Center (JAXA) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Space applications symposium |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2009-06-SANE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Small sub-satellites: OKINA and OUNA for Lunar Gravity Measurements |
| Sub Title (in English) | Results of Development and On-orbit Properties |
| Keyword(1) | OKINA |
| Keyword(2) | OUNA |
| Keyword(3) | KAGUYA |
| Keyword(4) | small satellite |
| Keyword(5) | orbit determination |
| Keyword(6) | gravity field |
| Keyword(7) | Rstar |
| Keyword(8) | Vstar |
| 1st Author's Name | Takahiro Iwata |
| 1st Author's Affiliation | Institute of Space and Astronautical Science, JAXA (JAXA) |
| 2nd Author's Name | Hiroyuki Minamino |
| 2nd Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 3rd Author's Name | Takeshi Sasaki |
| 3rd Author's Affiliation | Japan Aerospace Exploration Agency (JAXA) |
| 4th Author's Name | Noriyuki Namiki |
| 4th Author's Affiliation | Chiba Institute of Technology (Chiba Inst. of Tech.) |
| 5th Author's Name | Hideo Hanada |
| 5th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
| 6th Author's Name | Nobuyuki Kawano |
| 6th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
| 7th Author's Name | Tadashi Takano |
| 7th Author's Affiliation | Japan Aerospace Exploration Agency/Nihon University (JAXA/Nihon Univ., ISAS) |
| 8th Author's Name | Koji Matsumoto |
| 8th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
| 9th Author's Name | Seiitsu Tsuruta |
| 9th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
| 10th Author's Name | Hirotomo Noda |
| 10th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
| 11th Author's Name | Takeshi Imamura |
| 11th Author's Affiliation | Institute of Space and Astronautical Science, JAXA (JAXA) |
| 12th Author's Name | Yoshiaki Ishihara |
| 12th Author's Affiliation | National Astronomical Observatory of Japan (NAOJ) |
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| 15th Author's Affiliation | () |
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| Speaker | Author-1 |
| Date Time | 2009-06-25 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | SANE |
| Paper # | SANE2009-19 |
| Volume (vol) | vol.109 |
| Number (no) | no.101 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2009-06-18 (SANE) |
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