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146459 (2001 RJ39)
Classification: Main-belt Asteroid          SPK-ID: 2146459
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349906191750157 3.7353e-08  
a 2.622547659829023 1.1967e-08 au
q 2.006273561429812 9.5011e-08 au
i 4.544665351668897 6.7564e-06 deg
node 351.3328931689562 5.4598e-05 deg
peri 117.0419800153705 5.8213e-05 deg
M 53.77578408978177 1.7008e-05 deg
tp 2458768.777736738134
(2019-Oct-12.27773674)		 7.2659e-05 TDB
period 1551.256131105356
4.25		 1.0617e-05
2.907e-08		 d
yr
n .2320699933308113 1.5884e-09 deg/d
Q 3.238821758228234 1.4779e-08 au
   Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      6813 days (18.65 yr)  
   first obs. used      2001-08-27  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:52  

Additional Information
 Earth MOID = 1.02778 au 
 Jupiter MOID = 1.91066 au 
 T_jup = 3.360 
[ 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 16.2   n/a MPO453929  

146459 (2001 RJ39)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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