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LIGHTCURVE ANALYSIS OF THE HUNGARIA BINARY 7958 LEAKEY
Robert D Stephens1, Brian D Warner2, Alessandro Marchini3
1Center for Solar System Studies (CS3) / MoreData!, 11355 Mount Johnson Ct., Rancho Cucamonga, CA 91737 USA.
The Minor Planet Bulletin
|May 27, 2020
Summary
The Hungaria asteroid 7958 Leakey, a binary system, showed a different orbital period in 2015 data. Re-analysis of 2012 and 2015 observations refined its rotation and satellite orbital periods.
Area of Science:
- Asteroid science
- Binary asteroid dynamics
- Orbital mechanics
Background:
- The Hungaria asteroid 7958 Leakey is a confirmed binary asteroid system.
- Previous observations in 2012 established its primary rotation and satellite orbital periods.
Purpose of the Study:
- To confirm and refine the rotation and orbital periods of asteroid 7958 Leakey.
- To analyze new observational data from 2015 and re-evaluate 2012 data.
Main Methods:
- Photometric observations of asteroid 7958 Leakey in 2015.
- Analysis of light curves to determine rotational and orbital periods.
- Comparative analysis of 2012 and 2015 datasets.
Main Results:
- The 2015 observations revealed a significantly different orbital period compared to previous findings.
- Refined estimates for the primary rotation period and satellite orbital period were obtained.
- Discrepancies between the 2012 and 2015 orbital periods were investigated.
Conclusions:
- The orbital period of asteroid 7958 Leakey may have changed or the initial determination requires revision.
- Further observations are recommended to fully understand the dynamics of this binary asteroid system.
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