|
5905 Johnson (2008)
|
|
MPC Designation: |
1989 CJ1 |
| Lightcurves |
Period (h): |
3.7827 ± 0.0002 |
|
Amplitude (mag): |
0.10 ± 0.01 |
|
Equipment: |
Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 240 |
|
Obs. Details |
Date E Mag Phase PABL PABB
2008-05-29 07:00 15.97 24.8 267.8 35.2
2008-05-30 06:00 15.95 24.7 267.9 35.1
2008-06-03 06:00 15.89 24.1 268.3 35.0
2008-06-04 06:00 15.88 23.9 268.4 34.9
2008-06-06 06:00 15.85 23.6 268.6 34.8
2008-06-07 06:00 15.83 23.5 268.7 34.7
2008-06-08 06:00 15.82 23.4 268.8 34.6
2008-06-09 06:00 15.81 23.3 268.9 34.6
2008-06-10 06:00 15.79 23.1 268.9 34.5
2008-06-11 06:00 15.78 23.0 269.0 34.4
2008-06-12 06:00 15.77 22.9 269.1 34.3
2008-06-13 06:00 15.76 22.8 269.1 34.2
2008-06-27 06:00 15.65 22.0 270.0 32.3
2008-06-28 06:00 15.65 22.0 270.0 32.1
2008-06-30 08:00 15.64 22.0 270.1 31.8
|
|
Data Points: |
594 |
|
|
|
|
Discovered: |
1989-02-11 Palomar E. F. Helin |
|
Family/Group: |
Hungaria |
|
Taxonomic Class: |
ES (Assumed) |
|
Published: |
MPB 36, 89-90 |
|
|
|
|
NOTES: |
Unless otherwise stated, the "Reduced Magnitudes" in the plots are
Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)Follow up on 2005 PDO binary discovery. Collaboration with Petr Pravec's Binary Asteroid Survey program. The plots use only PDO data. The periods in plots are based on using on the PDO data.
Estimated size ratio (satellite/primary): Ds/Dp = 0.38 ± 0.02. |
|
Contents © 2011 Brian D. Warner / Palmer Divide Observatory |
