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JPL Small-Body Database Browser
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392019 (2009 AR46)
Classification: Main-belt Asteroid          SPK-ID: 2392019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153757334217103 1.347e-07  
a 2.730825571198737 4.6448e-08 au
q 2.415754568074922 3.6374e-07 au
i 2.535701052938729 1.4363e-05 deg
node 181.5077129762683 0.00019733 deg
peri 16.58773289998199 0.00020286 deg
M 133.1867449174621 4.1533e-05 deg
tp 2458390.685323565798
(2018-Sep-29.18532357)
0.00018791 TDB
period 1648.311801991715
4.51
4.2054e-05
1.151e-07
d
yr
n .2184052796109322 5.5722e-09 deg/d
Q 3.045896574322552 5.1807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5585 days (15.29 yr)  
   first obs. used      2002-10-10  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5553  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:40:13  

Additional Information
 Earth MOID = 1.41388 au 
 Jupiter MOID = 1.90993 au 
 T_jup = 3.343 
[ 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 17.0   n/a MPO437604  

392019 (2009 AR46)          Discovered 2009-Jan-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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