Dynamics of Deorbiting of Low Earth Orbit Nano-satellites by Bare Electrodynamic Tether
Bibliographic record
Abstract
This paper studies orbital and librational dynamics of deorbiting a nano-satellite by a bare electrodynamic tether. The orbital motion and tether libration are modeled by considering multiple space environmental perturbations including the current-induced electrodynamic force, atmospheric drag, Earth’s oblateness effect, irregularity of Earth’s geomagnetic field, ambient plasma density affected by the variation of geomagnetic and solar condition, solar radiation pressure, and lunisolar gravitational attractions. Approximated analytical and numerical calculation methods of the perturbation torques are provided. Numerical simulations are conducted to study the electrodynamic tether’s orbital and libration motion during deorbiting. The effect of tether libration on the induced voltage is also analyzed. Nomenclature E r a = acceleration of the Earth EDT r a = acceleration of the electrodynamic tethered system a = semi major axis of the orbit A = cross section area of the electrodynamic tether d A = projected area of nano!satellites for atmospheri c drag r
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".