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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536931311180613 3.7421e-08  
a 2.633357901923129 1.3923e-08 au
q 1.965293090429762 9.6385e-08 au
i 10.96583727544393 5.6396e-06 deg
node 209.2305555472907 2.2134e-05 deg
peri 118.7153008212083 2.5252e-05 deg
M 263.4461119883976 1.3771e-05 deg
tp 2459419.130171247489
(2021-Jul-23.63017125)
6.1377e-05 TDB
period 1560.857514417094
4.27
1.2378e-05
3.389e-08
d
yr
n .2306424492144902 1.8291e-09 deg/d
Q 3.301422713416496 1.7455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7278 days (19.93 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:49:40  

Additional Information
 Earth MOID = .982456 au 
 Jupiter MOID = 2.215 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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