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JPL Small-Body Database Browser
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390502 (2014 AQ54)
Classification: Main-belt Asteroid          SPK-ID: 2390502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06548483055519518 1.0975e-07  
a 3.089953166659349 1.0309e-07 au
q 2.887608107117173 3.476e-07 au
i 8.409699113234028 1.2472e-05 deg
node 327.9314268998726 7.8119e-05 deg
peri 159.9844766066388 0.00015572 deg
M 345.2193358339501 0.00013937 deg
tp 2458681.954994945998
(2019-Jul-17.45499495)
0.00077071 TDB
period 1983.929669947708
5.43
9.9286e-05
2.718e-07
d
yr
n .1814580453396258 9.0811e-09 deg/d
Q 3.292298226201525 1.0984e-07 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      3996 days (10.94 yr)  
   first obs. used      2008-01-01  
   last obs. used      2018-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:46:43  

Additional Information
 Earth MOID = 1.90422 au 
 Jupiter MOID = 1.74307 au 
 T_jup = 3.205 
[ 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 16.6   n/a MPO423453  

390502 (2014 AQ54)          Discovered 2009-Jan-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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