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Updated: Dec 20, 2025
06:48
Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
Published on: May 10, 2020
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LIGHTCURVE PHOTOMETRY OPPORTUNITIES: 2014 OCTOBER-DECEMBER
Brian D Warner1, Alan W Harris2, Petr Pravec3
1Center for Solar System Studies / MoreData!, 446 Sycamore Ave., Eaton, CO 80615 USA.
The Minor Planet Bulletin
|May 28, 2020
Summary
This study provides asteroid photometry opportunities for objects needing lightcurve data to improve shape and spin axis models. These observations will aid in refining radar data by resolving rotation period ambiguities.
Area of Science:
- Planetary Science
- Astronomy
- Astrophysics
Background:
- Asteroid lightcurve data is crucial for determining object shape and spin axis.
- Many asteroids lack sufficient lightcurve data for accurate modeling.
- Radar observations provide valuable but sometimes ambiguous rotation information.
Purpose of the Study:
- To identify asteroids with favorable apparitions for photometry.
- To collect new lightcurve data for asteroids with poorly-defined parameters.
- To supplement radar observations with complementary lightcurve data.
Main Methods:
- Compiling lists of asteroids with favorable observing conditions.
- Identifying asteroids with no or poorly-defined lightcurve parameters.
- Cross-referencing with planned radar observation targets.
Main Results:
- Presented lists of target asteroids for photometry.
- Highlighted asteroids that will be observed by radar.
- Emphasized the synergistic potential of combined photometry and radar data.
Conclusions:
- New photometry data will enhance asteroid shape and spin axis modeling.
- Lightcurve data can resolve ambiguities in radar-derived rotation periods.
- This work facilitates more comprehensive asteroid characterization.
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