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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06511806482621096 1.0465e-07  
a 3.088646126445082 6.5348e-08 au
q 2.887519467758006 3.0025e-07 au
i 8.411286868727379 1.2306e-05 deg
node 327.9315050546959 7.0586e-05 deg
peri 159.8197104739043 0.00013977 deg
M 57.98757379849356 0.00012034 deg
tp 2458681.138107027209
(2019-Jul-16.63810703)
0.00065796 TDB
period 1982.671009304954
5.43
6.2922e-05
1.723e-07
d
yr
n .1815732404975255 5.7624e-09 deg/d
Q 3.289772785132159 6.9603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      4500 days (12.32 yr)  
   first obs. used      2008-01-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:17:07  

Additional Information
 Earth MOID = 1.90377 au 
 Jupiter MOID = 1.74418 au 
 T_jup = 3.206 
[ 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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