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487369 (2014 QQ255)
Classification: Main-belt Asteroid          SPK-ID: 2487369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05454014346259897 1.0606e-07  
a 2.938004493110788 5.6098e-08 au
q 2.777765306562765 2.984e-07 au
i 9.698951336965289 5.2007e-06 deg
node 88.09845099601847 8.3829e-05 deg
peri 57.9237235571773 0.00013002 deg
M 265.4638987694189 9.977e-05 deg
tp 2459483.527989539888
(2021-Sep-26.02798954)
0.00051554 TDB
period 1839.403931099591
5.04
5.2682e-05
1.442e-07
d
yr
n .1957155760696852 5.6055e-09 deg/d
Q 3.098243679658811 5.9158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5081 days (13.91 yr)  
   first obs. used      2005-11-30  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:36  

Additional Information
 Earth MOID = 1.80535 au 
 Jupiter MOID = 1.9742 au 
 T_jup = 3.250 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO495388  

487369 (2014 QQ255)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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