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JPL Small-Body Database Browser
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59558 (1999 JR41)
Classification: Main-belt Asteroid          SPK-ID: 2059558
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2533410387180756 3.7435e-08  
a 2.634000766997221 1.4005e-08 au
q 1.966700276701937 9.6448e-08 au
i 10.96428564584587 5.6557e-06 deg
node 209.2379381808097 2.2193e-05 deg
peri 118.6965043841954 2.533e-05 deg
M 171.2004717702708 1.3487e-05 deg
tp 2457857.951664607388
(2017-Apr-14.45166461)
5.6168e-05 TDB
period 1561.4291127658
4.27
1.2453e-05
3.409e-08
d
yr
n .2305580170478074 1.8388e-09 deg/d
Q 3.301301257292505 1.7553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:39:21  

Additional Information
 Earth MOID = .982971 au 
 Jupiter MOID = 2.21189 au 
 T_jup = 3.327 
[ 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 14.8   n/a MPO385198  

59558 (1999 JR41)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JR41 = 2000 SD308 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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