Based on other satellites

He, F., Zhang, X.-X., Chen, B., & Fok, M.-C. (2011). Reconstruction of the plasmasphere from Moon-based EUV images. Journal of Geophysical Research: Space Physics, 116(A11), n/a-n/a. https://doi.org/10.1029/2010ja016364

Luo, H., Chen, G. X., Du, A. M., Angelopoulos, V., Xu, W. Y., Zhao, X. D., & Wang, Y. (2011). THEMIS multipoint observations of Pi2 pulsations inside and outside the plasmasphere. Journal of Geophysical Research: Space Physics, 116(A12), n/a-n/a. https://doi.org/10.1029/2011ja016746

Verigin, M. I., Kotova, G. A., Bezrukikh, V. V., Bogdanov, V. V., & Kaisin, A. V. (2011). Ion drift in the earth's inner plasmasphere during magnetospheric disturbances and proton temperature dynamics. Geomagnetism and Aeronomy, 51(1), 39-48. https://doi.org/10.1134/s0016793211010154