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78434 Dyer (2002 QL58)
Classification: Main-belt Asteroid          SPK-ID: 2078434
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
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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Orbit Viewer

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).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009976013988773262 6.4805e-08  
a 2.785389997341202 3.1801e-08 au
q 2.757602907763537 1.8949e-07 au
i 4.317379355003003 8.2341e-06 deg
node 177.8699811782178 8.7605e-05 deg
peri 62.681245023514 0.00041783 deg
M 89.93390573432244 0.0004074 deg
tp 2457176.321747726164
0.0019222 JED
period 1697.959958168511
n .2120191340603289 3.6309e-09 deg/d
Q 2.813177086918867 3.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7031 days (19.25 yr)  
   first obs. used      1996-03-16  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56938  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:57:51  

Additional Information
 Earth MOID = 1.74792 au 
 Jupiter MOID = 2.15122 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO341177  

78434 Dyer           Discovered 2002 Aug. 17 by A. Lowe on plates taken at Palomar.
Alan Dyer (b. 1953) is program producer at the Calgary Science Centre and one of Canada's best-known astronomy writers. He is widely regarded as an authority on commercial telescopes, and his evaluations appear regularly in major North American astronomy magazines. He is also an accomplished astrophotographer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 2002 QL58 = 1996 GE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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