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JPL Small-Body Database Browser
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117842 (2005 JR109)
Classification: Main-belt Asteroid          SPK-ID: 2117842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104694632061391 4.7267e-08  
a 2.224524503572932 1.0367e-08 au
q 1.978782475774327 1.0312e-07 au
i 7.320425080104792 6.6337e-06 deg
node 60.09913584719548 3.6674e-05 deg
peri 209.0201067389348 4.9204e-05 deg
M 51.70067726938542 3.5122e-05 deg
tp 2458426.460450948316
(2018-Nov-03.96045095)
0.00011791 TDB
period 1211.864930359566
3.32
8.4714e-06
2.319e-08
d
yr
n .2970628087184486 2.0766e-09 deg/d
Q 2.470266531371538 1.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:50:13  

Additional Information
 Earth MOID = .966064 au 
 Jupiter MOID = 2.59403 au 
 T_jup = 3.628 
[ 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 16.3   n/a MPO449688  

117842 (2005 JR109)          Discovered 2005-May-15 by Broughton, J. at Reedy Creek
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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