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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: JPL 1 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1672111553569761 | 5.5799e-08 | |
| a | 2.232184390679711 | 1.105e-08 | AU |
| q | 1.858938259744349 | 1.2532e-07 | AU |
| i | 3.195964346714613 | 5.5331e-06 | deg |
| node | 122.9512059311386 | 0.00010464 | deg |
| peri | 197.2734293135126 | 0.00010652 | deg |
| M | 220.2693218302552 | 2.2209e-05 | deg |
| tp | 2456873.305797573816
(2014-Aug-03.80579757) | 7.7078e-05 | JED |
| period | 1218.129686022155
3.34 | 9.045e-06
2.476e-08 | d
yr |
| n | .2955350354982257 | 2.1944e-09 | deg/d |
| Q | 2.605430521615073 | 1.2897e-08 | AU |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.9 |
mag |
n/a |
PDS3 (MPC 17271) |
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| rotation period |
rot_per |
4.5179 |
h |
n/a |
Asteroid Lightcurve DataBase (Rev. 2013-May-01) |
Published Reference List:
[Bianchi, E.; Padova, E. (1921) Mem. Soc. Astron. Ital. 2, 45-54.]
[UNPUBLISHED.] |
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| 4150 Starr (1984 QC1) Discovered 1984-Aug-31 by Skiff, B. A. at Flagstaff |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
| 1984 QC1 = 1957 KG = 1964 RH = 1973 FD2 = 1974 QM1 = 1980 EA2 = 1981 TO2 = 1981 WE6 = 1981 WJ3 = 1988 YC = 2004 SL12 |
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