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362827 (2012 AA4)
Classification: Main-belt Asteroid          SPK-ID: 2362827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0907280234838308 6.3388e-08  
a 2.812635549683434 3.3269e-08 au
q 2.557450685480298 1.6511e-07 au
i 7.469070822888023 5.3207e-06 deg
node 104.0402563732994 3.4814e-05 deg
peri 197.5794013518882 4.2398e-05 deg
M 129.2115614262286 2.3798e-05 deg
tp 2458582.102830346235
(2019-Apr-08.60283035)
0.00011181 TDB
period 1722.9339125544
4.72
3.057e-05
8.37e-08
d
yr
n .2089459133497864 3.7073e-09 deg/d
Q 3.06782041388657 3.6288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5607 days (15.35 yr)  
   first obs. used      2005-09-26  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:57  

Additional Information
 Earth MOID = 1.54094 au 
 Jupiter MOID = 2.11111 au 
 T_jup = 3.302 
[ 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 16.32   n/a MPCxxxxx  

362827 (2012 AA4)          Discovered 2008-Feb-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 AA4 = 2013 EF127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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