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seniruk/Near-Earth-Comets-Classification-dataset

Hi, I’m Seniru Epasinghe 👋 I’m an AI undergraduate and an AI enthusiast, working on machine learning projects and open-source contributions.I enjoy exploring AI pipelines, natural language processing, and building tools that make development easier. 🌐 Connect with me          Near-Earth Comets (NECs) Classification Dataset This repository provides an open-source dataset of Near‑Earth Comets (NECs) and their… See the full description on the dataset page: https://huggingface.co/datasets/seniruk/Near-Earth-Comets-Classification-dataset.

sourceHugging Faceapache-2.0updated 10mo agoView on Hugging Face
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Hi, I’m Seniru Epasinghe 👋

I’m an AI undergraduate and an AI enthusiast, working on machine learning projects and open-source contributions. I enjoy exploring AI pipelines, natural language processing, and building tools that make development easier.

🌐 Connect with me

![Hugging Face](https://huggingface.co/seniruk)    ![Medium](https://medium.com/@senirukepasinghe)    ![LinkedIn](https://www.linkedin.com/in/seniru-epasinghe-b34b86232/)    ![GitHub](https://github.com/seth2k2)

Near-Earth Comets (NECs) Classification Dataset

  • —This repository provides an open-source dataset of Near‑Earth Comets (NECs) and their classification as Potentially Hazardous Asteroids (PHAs) or not, based on the standards defined by NASA/JPL CNEOS.
  • —The dataset covers observations from 1950 to 2025
  • —This dataset was created to support: - Machine Learning / AI classification projects - Risk assessments and orbital analysis - Astronomy and astrophysics education - Research on PHA‑related orbital characteristics

Column Descriptions

Column NameMeaning
DateDate of the dataset record.
Neo Reference IDUnique identifier assigned by NASA/JPL for the object.
NameOfficial or provisional designation of the Near-Earth Comet/Asteroid.
Absolute Magnitude (H)Brightness of the object; used to estimate size.
Estimated Diameter (km, m, miles, feet)Estimated physical size range in multiple units.
Close Approach DateWhen the object made its close approach to Earth (or another body).
Epoch Date — Close ApproachTime reference used for orbital calculations during the close approach.
Relative Velocity (km/s, km/hr, mph)Object's speed relative to Earth in multiple units.
Miss Distance (AU, LD, km, miles)Distance by which the object missed Earth, in multiple units.
Orbiting BodyCelestial body the object approaches (e.g., Earth, Mars).
Orbit IDIdentifier of the orbit solution at that epoch.
Orbit Determination DateWhen JPL finalized the orbital solution.
Orbit UncertaintyNumerical uncertainty measure (0 = best, 9 = worst).
Minimum Orbit Intersection Distance (MOID)Minimum distance between Earth's orbit and the object's orbit.
Jupiter Tisserand InvariantOrbital classification parameter related to comet vs. asteroid dynamics.
Epoch OsculationTimestamp for orbital element calculation.
EccentricityOrbit shape (0 = circular, 1 = parabolic).
Semi-Major AxisHalf of the longest dimension of the orbital ellipse.
InclinationTilt of the object's orbit relative to Earth's orbital plane.
Ascending Node LongitudeWhere the object crosses the reference plane going northward.
Orbital PeriodTime required to complete one orbit.
Perihelion DistanceClosest distance to the Sun.
Perihelion ArgumentAngle describing orbit orientation.
Aphelion DistanceFurthest distance from the Sun.
Perihelion TimeWhen the object reaches perihelion.
Mean AnomalyAngular position of the object in its orbit.
Mean MotionAverage orbital angular speed.
EquinoxReference coordinate system epoch.
HazardousTRUE if it meets potentially hazardous asteroid (PHA) criteria.

References

  • —https://ssd.jpl.nasa.gov/tools/sbdb_query.html
  • —https://cneos.jpl.nasa.gov/about/neo_groups.html#:~:text=Potentially%20Hazardous%20Asteroids%3A%20NEAs%20whose,H)%20is%2022.0%20or%20brighter.

License

This dataset is released as open-source under the Apache License.\ You may freely use it in academic, commercial, or private projects.