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487389 (2014 QD305)
Classification: Main-belt Asteroid          SPK-ID: 2487389
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07369861622292774 2.0829e-07  
a 3.191304064349828 1.2686e-07 au
q 2.956109370860641 6.8733e-07 au
i 13.30488477017852 1.5512e-05 deg
node 316.19202860 3.5002e-05 deg
peri 21.06292808406251 8.4457e-05 deg
M 2.276809980272573 7.6751e-05 deg
tp 2458987.330327034179
(2020-May-17.83032703)
0.00044363 TDB
period 2082.335508353657
5.70
0.00012416
3.399e-07
d
yr
n .1728828032542289 1.0308e-08 deg/d
Q 3.426498757839016 1.362e-07 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      2228 days (6.10 yr)  
   first obs. used      2011-01-13  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66823  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:17:49  

Additional Information
 Earth MOID = 1.94919 au 
 Jupiter MOID = 1.91303 au 
 T_jup = 3.151 
[ 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 16.7   n/a MPO399021  

487389 (2014 QD305)          Discovered 2011-Jan-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 QD305 = 2011 AQ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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