Search Results - "OTSUBO, Toshimichi"

Geodetic VLBI for precise orbit determination of Earth satellites: a simulation study by Klopotek, Grzegorz, Hobiger, Thomas, Haas, Rüdiger, Otsubo, Toshimichi

“…Recent efforts of tracking low Earth orbit and medium Earth orbit (MEO) satellites using geodetic very long baseline interferometry (VLBI) raise questions on…”
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Combination of GPS and VLBI on the observation level during CONT11—common parameters, ties and inter-technique biases by Hobiger, Thomas, Otsubo, Toshimichi

“…Multi-technique space geodetic analysis software has been developed which allows to combine data on the observation level. In addition to local tie…”
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Accelerated ice mass depletion revealed by low-degree gravity field from satellite laser ranging: Greenland, 1991-2011 by Matsuo, Koji, Chao, Benjamin F., Otsubo, Toshimichi, Heki, Kosuke

“…We detect the acceleration of ice mass depletion in Greenland for the period 1991–2011 from the low‐degree gravity field up to degree and order 4 derived from…”
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Center-of-mass corrections for sub-cm-precision laser-ranging targets: Starlette, Stella and LARES by Otsubo, Toshimichi, Sherwood, Robert A., Appleby, Graham M., Neubert, Reinhart

“…To realize the full potential of satellite laser ranging for accurate geodesy, it is crucial that all systematic effects in the measurements are taken into…”
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Effective expansion of satellite laser ranging network to improve global geodetic parameters by Otsubo, Toshimichi, Matsuo, Koji, Aoyama, Yuichi, Yamamoto, Keiko, Hobiger, Thomas, Kubo-oka, Toshihiro, Sekido, Mamoru

“…The aim of this study is to find an effective way to expand the ground tracking network of satellite laser ranging on the assumption that a new station is…”
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Hypertemporal photometric measurement of spaceborne mirrors specular reflectivity for Laser Time Transfer link model by Kucharski, Daniel, Kirchner, Georg, Otsubo, Toshimichi, Kunimori, Hiroo, Jah, Moriba K., Koidl, Franz, Bennett, James C., Lim, Hyung-Chul, Wang, Peiyuan, Steindorfer, Michael, Sośnica, Krzysztof

“…The hypertemporal light curves of the sunlit Ajisai satellite allow for reflectivity measurement of the individual on-board mirror panels. The photon counting…”
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Quanta Photogrammetry of Experimental Geodetic Satellite for remote detection of micrometeoroid and orbital debris impacts by Kucharski, Daniel, Kirchner, Georg, Otsubo, Toshimichi, Flegel, Sven K., Kunimori, Hiroo, Jah, Moriba K., Koidl, Franz, Bennett, James C., Steindorfer, Michael, Wang, Peiyuan

“…The conventional detection of micrometeoroid and orbital debris (MMOD) impacts on satellites is based on in-situ sensing or direct, visual inspection of the…”
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Dynamic precise orbit determination of Hayabusa2 using laser altimeter (LIDAR) and image tracking data sets by Yamamoto, Keiko, Otsubo, Toshimichi, Matsumoto, Koji, Noda, Hirotomo, Namiki, Noriyuki, Takeuchi, Hiroshi, Ikeda, Hitoshi, Yoshikawa, Makoto, Yamamoto, Yukio, Senshu, Hiroki, Mizuno, Takahide, Hirata, Naru, Yamada, Ryuhei, Ishihara, Yoshiaki, Araki, Hiroshi, Abe, Shinsuke, Yoshida, Fumi, Higuchi, Arika, Sasaki, Sho, Oshigami, Shoko, Tsuruta, Seiitsu, Asari, Kazuyoshi, Shizugami, Makoto, Ogawa, Naoko, Ono, Go, Mimasu, Yuya, Yoshikawa, Kent, Takahashi, Tadateru, Takei, Yuto, Fujii, Atsushi, Yamaguchi, Tomohiro, Kikuchi, Shota, Watanabe, Sei-ichiro, Tanaka, Satoshi, Terui, Fuyuto, Nakazawa, Satoru, Saiki, Takanao, Tsuda, Yuichi

“…The precise orbit of the Hayabusa2 spacecraft with respect to asteroid Ryugu is dynamically determined using the data sets collected by the spacecraft’s…”
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Thermo-optical simulation and experiment for the assessment of single, hollow, and large aperture retroreflector for lunar laser ranging by Araki, Hiroshi, Kashima, Shingo, Noda, Hirotomo, Kunimori, Hiroo, Chiba, Kouta, Mashiko, Hitomi, Kato, Hiromasa, Otsubo, Toshimichi, Matsumoto, Yoshiaki, Tsuruta, Seiitsu, Asari, Kazuyoshi, Hanada, Hideo, Yasuda, Susumu, Utsunomiya, Shin, Takino, Hideo

“…A single aperture and hollow retroreflector [corner-cube mirror (CCM)] that in principle has no internal optical path difference is a key instrument for…”
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Simulation of optical response of retroreflectors for future lunar laser ranging by Otsubo, Toshimichi, Kunimori, Hiroo, Noda, Hirotomo, Hanada, Hideo

“…We numerically examined various retroreflectors as laser ranging targets for future missions to the Moon. The geometric conditions, such as the angle of…”
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Rapid response quality control service for the laser ranging tracking network by Otsubo, Toshimichi, Müller, Horst, Pavlis, Erricos C., Torrence, Mark H., Thaller, Daniela, Glotov, Vladimir D., Wang, Xiaoya, Sośnica, Krzysztof, Meyer, Ulrich, Wilkinson, Matthew J.

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Spin Axis Precession of LARES Measured by Satellite Laser Ranging by Kucharski, Daniel, Hyung-Chul Lim, Kirchner, Georg, Otsubo, Toshimichi, Bianco, Giuseppe, Joo-Yeon Hwang

“…Satellite laser ranging (SLR) is an efficient technique to measure spin parameters of the fully passive satellite LARES. Analysis of the laser range…”
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System-dependent center-of-mass correction for spherical geodetic satellites by Otsubo, Toshimichi, Appleby, Graham M.

“…The temporal spread of optical pulse signals due to reflection from multiple onboard reflectors is now a critical problem in satellite laser ranging. The full…”
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Time-varying solar radiation pressure on Ajisai in comparison with LAGEOS satellites by Hattori, Akihisa, Otsubo, Toshimichi

“…This study aims to investigate solar radiation pressure acting on the spherical geodetic satellites, Ajisai, LAGEOS-1, and LAGEOS-2. The solar radiation…”
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Mass-redistribution-induced crustal deformation of global satellite laser ranging stations due to non-tidal ocean and land water circulation by Takiguchi, Hiroshi, Otsubo, Toshimichi, Fukuda, Yoichi

“…The effect of the non-tidal ocean load (NTOL) and the continental water load (CWL) on crustal deformation are calculated for global satellite laser ranging…”
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Acoustic positioning of closely-flying aircraft for eye safety of space laser applications by Otsubo, Toshimichi, Kobayashi, Mihoko, Yokota, Yusuke, Kouno, Kenji, Araki, Hiroshi

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Upgraded modelling for the determination of centre of mass corrections of geodetic SLR satellites: impact on key parameters of the terrestrial reference frame by Rodríguez, José, Appleby, Graham, Otsubo, Toshimichi

“…We present improved modelling to compute centre of mass (CoM) offsets for spherical geodetic satellites and derive new values for the spacecraft LAGEOS,…”
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A simulation study of effects of GRACE orbit decay on the gravity field recovery by YAMAMOTO, Keiko, OTSUBO, Toshimichi, KUBO-OKA, Toshihiro, FUKUDA, Yoichi

“…The effects of satellite ground track changes of GRACE on monthly gravity field recoveries are investigated. In the case of a gravity field recovery using a…”
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Preface to the second special issue on Laser Ranging by Pavlis, Erricos C., Luceri, Vincenza, Otsubo, Toshimichi, Schreiber, Ulrich

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Dynamic precise orbit determination of Hayabusa2 using laser altimeter by Yamamoto, Keiko, Otsubo, Toshimichi, Matsumoto, Koji, Noda, Hirotomo, Namiki, Noriyuki, Takeuchi, Hiroshi, Ikeda, Hitoshi

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