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| Orbit Diagram
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| Note:
Make sure you have Java enabled on your browser to see the applet.
This applet is provided as a 3D orbit visualization tool.
The applet was implemented using 2-body methods,
and hence should not be used for determining accurate long-term trajectories
(over several years or decades) or planetary encounter circumstances.
For accurate long-term ephemerides, please instead use our Horizons system. |
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Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.
Orbit Viewer applet originally written and kindly provided by
Osamu Ajiki (AstroArts),
and further modified by
Ron Baalke (JPL).
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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO256887 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | 0.0423762 | n/a | |
| a | 2.1901609 | n/a | AU |
| q | 2.0973502 | n/a | AU |
| i | 3.16660 | n/a | deg |
| node | 162.37610 | n/a | deg |
| peri | 18.85655 | n/a | deg |
| M | 257.72156 | n/a | deg |
| tp | 2456736.8520303
(2014-Mar-20.35203030) | n/a | JED |
| period | 1183.8930171
3.24 | n/a
n/a | d
yr |
| n | 0.30408153 | n/a | deg/d |
| Q | 2.2829716 | n/a | AU |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.3 |
mag |
n/a |
PDS3 (MPC 17268) |
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| 3282 Spencer Jones (1949 DA) Discovered 1949-Feb-19 by Goethe Link Observatory at Brooklyn |
| Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
| 1949 DA = 1933 FL1 = 1933 HN = 1973 SL6 = 1975 EU2 = 1988 DE1 = 9528 P-L |
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