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JPL Small-Body Database Browser
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136407 (2005 AR39)
Classification: Main-belt Asteroid          SPK-ID: 2136407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857049684542709 3.4444e-08  
a 2.349714716061875 1.1644e-08 au
q 1.913361018839068 8.1148e-08 au
i 3.52833969103756 3.567e-06 deg
node 83.79124203704511 0.00010076 deg
peri 158.9701871304859 0.00010192 deg
M 6.523350431096907 1.6549e-05 deg
tp 2458976.660928259184
(2020-May-07.16092826)
6.0421e-05 TDB
period 1315.591721975114
3.60
9.7788e-06
2.677e-08
d
yr
n .2736411258802446 2.034e-09 deg/d
Q 2.786068413284681 1.3806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:38:18  

Additional Information
 Earth MOID = .90087 au 
 Jupiter MOID = 2.23095 au 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO422493  

136407 (2005 AR39)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2005 AR39 = 1998 FE128 = 2002 LX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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