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Potential Applications and Future Plans
07/17/2025 at 09:48 • 0 commentsThis model could go far beyond planetary mass interpolation:
🔭 Possible extensions:
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Exoplanet mass estimation using telescope-derived orbital data
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Binary asteroid systems or moons with limited data
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Integration with NASA’s live ephemeris feeds for monitoring orbital anomalies
🔧 Next steps:
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Automate data fetching via JPL API
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Open-source the NKTg interpolator (Python version)
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Compare model results with high-precision datasets from other missions
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Error Analysis and Sensitivity Check
07/17/2025 at 09:47 • 0 commentsI introduced minor artificial variations to position and velocity inputs:
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±0.01% change in
x -
±0.01% change in
v
Even these tiny changes slightly shifted the interpolated
m, confirming the model’s responsiveness to subtle input fluctuations.Yet, despite these inputs, the deviation in mass stayed within a safe bound (~10⁻⁴%) — highlighting the model’s stability and accuracy.
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Detecting Earth's Mass Loss with GRACE Data
07/17/2025 at 09:47 • 0 commentsNASA’s GRACE and GRACE-FO missions have measured Earth’s annual mass loss, mainly from:
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Hydrogen escape
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Melting glaciers
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Groundwater depletion
Using real
xandvvalues for Earth throughout 2024, I interpolated Earth’s mass on five different dates. The result?-
Jan 2024: 5.972198×10²⁴ kg
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Dec 2024: 5.972197×10²⁴ kg
→ Annual mass loss: ~8×10¹⁹ kg
→ This aligns closely with GRACE satellite measurementsThis shows that the NKTg model is sensitive enough to detect micro-scale mass variation from only macroscopic orbital data.
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Interpolating Planetary Masses with NKTg
07/17/2025 at 09:46 • 0 commentsUsing the formula:
m = NKTg₁ / (x × v)
where NKTg₁ = x × m × v
I plugged in real data for each planet. The results were shockingly accurate:
Planet Interpolated m (kg) NASA m (kg) Δm Mercury 3.301×10²³ 3.301×10²³ ≈ 0 Earth 5.972×10²⁴ 5.972×10²⁴ ≈ 0 Jupiter 1.898×10²⁷ 1.898×10²⁷ ≈ 0 All interpolated values matched NASA’s official figures with near-zero error (< 0.0001%).
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Collecting Real-Time NASA Data (30–31/12/2024)
07/17/2025 at 09:44 • 0 commentsTo run this experiment, I extracted data from the NASA JPL Horizons system:
For each of the 8 major planets, I collected:
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Position (
x) in kilometers -
Velocity (
v) in km/s -
Official mass (
m) in kilograms (from NASA Planetary Fact Sheet)
This data is timestamped: 30–31 December 2024, ensuring that all values are consistent and precise.
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Building the NKTg Interpolation Model
07/17/2025 at 09:43 • 0 commentsThe core of this project is the NKTg Law of Variable Inertia, a physics-based model that describes how position, velocity, and mass determine an object's motion tendency in space.
We define:
NKTg₁ = x × p, where p = m × v
→ Rearranged, the formula becomes: m = NKTg₁ / (x × v)
This means that if we know a planet’s position (
x), velocity (v), and its NKTg₁ (the interaction value), we can directly calculate its mass — no empirical fitting required.This project puts this formula to the test using real-time NASA data.
Nguyen Khanh Tung