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ASTEROID LIGHTCURVE ANALYSIS AT THE PALMER DIVIDE OBSERVATORY: 2012 JUNE - SEPTEMBER
1Palmer Divide Observatory 17995 Bakers Farm Rd., Colorado Springs, CO 80908.
The Minor Planet Bulletin
|May 27, 2020
Summary
Astronomers analyzed asteroid lightcurves from the Palmer Divide Observatory (PDO), revising the rotation period for asteroid (11904) 1991 TR1 based on new data.
Area of Science:
- Asteroid Photometry
- Solar System Dynamics
Background:
- Asteroid lightcurve analysis is crucial for determining rotational periods and shapes.
- Previous observations may require revision with new data.
Purpose of the Study:
- To obtain and analyze lightcurves for ten Near-Earth Objects (NEOs).
- To refine the rotational period of asteroid (11904) 1991 TR1.
Main Methods:
- Photometric observations were conducted at the Palmer Divide Observatory (PDO).
- Lightcurve data were collected for ten specific asteroids between June and August 2012.
- Data analysis included comparing new observations with existing datasets.
Main Results:
- Lightcurves for asteroids 1025 Riema, 1685 Toro, 3022 Dobermann, 6403 Steverin, 9564 Jeffwynn, (11904) 1991 TR1, (13186) 1996 UM, (23715) 1998 FK2, (53530) 2000 AV200, and (86257) 1999 TK207 were successfully obtained.
- The rotational period of (11904) 1991 TR1 was revised based on 2007 data analysis.
Conclusions:
- New photometric data contribute to the understanding of asteroid rotational dynamics.
- The revision of (11904) 1991 TR1's period highlights the importance of ongoing observational efforts.