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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351274720730126 3.7917e-08  
a 2.623015933818852 2.1153e-08 au
q 2.006272828092793 9.96e-08 au
i 4.544309489809915 8.2866e-06 deg
node 351.3399077259227 7.1592e-05 deg
peri 117.0845934593026 7.7278e-05 deg
M 320.9271972045028 3.0108e-05 deg
tp 2458768.911554547469
(2019-Oct-12.41155455)		 0.00013141 TDB
period 1551.671630888885
4.25		 1.877e-05
5.139e-08		 d
yr
n .2320078506518622 2.8065e-09 deg/d
Q 3.239759039544911 2.6126e-08 au
   Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      6258 days (17.13 yr)  
   first obs. used      2001-08-27  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:43:32  

Additional Information
 Earth MOID = 1.028 au 
 Jupiter MOID = 1.91068 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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