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JPL Small-Body Database Browser
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59485 (1999 JR)
Classification: Main-belt Asteroid          SPK-ID: 2059485
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535704802638291 4.4563e-08  
a 2.642308704819083 1.2689e-08 au
q 2.23652808801472 1.1739e-07 au
i 13.72265179015416 3.9965e-06 deg
node 139.0091765277197 1.9571e-05 deg
peri 86.88374390448826 2.335e-05 deg
M 234.1325771438178 1.2802e-05 deg
tp 2459149.010062829557
(2020-Oct-26.51006283)
5.6788e-05 TDB
period 1568.822322232379
4.30
1.1301e-05
3.094e-08
d
yr
n .2294714926593679 1.653e-09 deg/d
Q 3.048089321623445 1.4638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      9428 days (25.81 yr)  
   first obs. used      1994-02-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:10:50  

Additional Information
 Earth MOID = 1.27861 au 
 Jupiter MOID = 2.08989 au 
 T_jup = 3.337 
[ 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 15.1   n/a MPO385198  

59485 (1999 JR)          Discovered 1999-May-04 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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