THULab/hektor_hohmann_transfer_orbit

624 Hektor Hohmann Transfer Orbit (TsFile)

This dataset is an Apache TsFile conversion of Taylor658/624-hektor-hohmann-transfer-orbit.

Modalities: Time-series.

Overview

• Synthetic data for an interplanetary mission to asteroid 624 Hektor via a Type II Hohmann transfer orbit (~30,000 rows).

• Orbital/trajectory parameters: radius, semi-major axis, eccentricity, inclination, angles, velocities, delta-v.

• Single trajectory; no device TAG (one continuous time series).

• Converted observations: 30,000 rows across 1 TsFile file(s)

• Source format: csv

TsFile schema

• Time — source Timestamp_UTC (datetime), converted to INT64 milliseconds.

Column	Role	Type	Meaning
Time	TIME	INT64 (ms)	sample timestamp
Orbital_Radius_km	FIELD	FLOAT	—
Semi_Major_Axis_km	FIELD	FLOAT	—
Eccentricity	FIELD	FLOAT	—
Inclination_deg	FIELD	FLOAT	—
Longitude_Ascending_Node_deg	FIELD	FLOAT	—
Argument_of_Periapsis_deg	FIELD	FLOAT	—
True_Anomaly_deg	FIELD	FLOAT	—
Transfer_Angle_deg	FIELD	FLOAT	—
Phase_Angle_deg	FIELD	FLOAT	—
Velocity_km_s	FIELD	FLOAT	—
Radial_Velocity_km_s	FIELD	FLOAT	—
Tangential_Velocity_km_s	FIELD	FLOAT	—
DeltaV_Used_km_s	FIELD	FLOAT	—
Specific_Orbital_Energy_J_kg	FIELD	FLOAT	—
Flight_Path_Angle_deg	FIELD	FLOAT	—
Time_of_Flight_days	FIELD	FLOAT	—
Thrust_Level_N	FIELD	FLOAT	—
Spacecraft_Dry_Mass_kg	FIELD	FLOAT	—
Propellant_Mass_kg	FIELD	FLOAT	—
Specific_Impulse_s	FIELD	FLOAT	—
Engine_Power_kW	FIELD	FLOAT	—
Jupiter_Encounter_DateTime_UTC	FIELD	FLOAT	—
Closest_Approach_Dist_Jupiter_km	FIELD	FLOAT	—
Flyby_BPlane_Coords_km	FIELD	FLOAT	—
Inbound_Velocity_Rel_Jupiter_km_s	FIELD	FLOAT	—
Outbound_Velocity_Rel_Jupiter_km_s	FIELD	FLOAT	—
Gravity_Assist_DV_Eq_km_s	FIELD	FLOAT	—
Flyby_Turn_Angle_deg	FIELD	FLOAT	—
Slingshot_Energy_Gain_J_kg	FIELD	FLOAT	—
Relative_Phase_Angle_deg	FIELD	FLOAT	—
Synodic_Period_days	FIELD	FLOAT	—
Hektor_Encounter_DateTime_UTC	FIELD	FLOAT	—
Relative_Velocity_at_Hektor_km_s	FIELD	FLOAT	—
Capture_Insertion_DV_km_s	FIELD	FLOAT	—
Final_Orbit_SMA_km	FIELD	FLOAT	—
Final_Orbit_Inclination_deg	FIELD	FLOAT	—
Earth_Orbital_Velocity_km_s	FIELD	FLOAT	—
Hektor_Orbital_Velocity_km_s	FIELD	FLOAT	—
Transfer_Periapsis_Velocity_km_s	FIELD	FLOAT	—
Transfer_Apoapsis_Velocity_km_s	FIELD	FLOAT	—

Conversion notes

• 40 orbital-parameter fields kept as FLOAT/INT64; no columns dropped.

Source & license

• Original dataset: https://huggingface.co/datasets/Taylor658/624-hektor-hohmann-transfer-orbit
• Author / publisher: Taylor658
• License: mit

Usage

Install the Apache TsFile Python SDK (pip install tsfile) and read a converted file:

from pathlib import Path
from tsfile import TsFileReader

path = Path("hektor_hohmann_transfer_orbit.tsfile")
with TsFileReader(str(path)) as reader:
    schemas = reader.get_all_table_schemas()
    print("tables:", list(schemas))
    table_name = next(iter(schemas))
    table = schemas[table_name]
    columns = [column.get_column_name() for column in table.get_columns()]
    print("columns:", columns)
    field_names = [
        column.get_column_name()
        for column in table.get_columns()
        if column.get_column_name() not in {"Time", "time"}
    ]
    if field_names:
        with reader.query_table(table_name, field_names[:3], batch_size=1024) as result:
            batch = result.read_arrow_batch()
            if batch is not None:
                print(batch.to_pandas().head())