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357539 (2004 RJ256)
Classification: Main-belt Asteroid          SPK-ID: 2357539
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727107911509418 9.5963e-08  
a 2.28729171335083 1.3408e-08 au
q 1.892251751945015 2.1503e-07 au
i 3.739225137547481 8.3349e-06 deg
node 6.318427483328994 7.3641e-05 deg
peri 26.34017373346795 7.8784e-05 deg
M 163.344727029593 2.0794e-05 deg
tp 2458427.198100867632
(2018-Nov-04.69810087)
7.3607e-05 TDB
period 1263.516046344498
3.46
1.111e-05
3.042e-08
d
yr
n .2849192149490485 2.5052e-09 deg/d
Q 2.682331674756645 1.5723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      5709 days (15.63 yr)  
   first obs. used      2004-09-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 23:19:16  

Additional Information
 Earth MOID = .898901 au 
 Jupiter MOID = 2.75702 au 
 T_jup = 3.578 
[ 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 17.7   n/a MPO460410  

357539 (2004 RJ256)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2004 RJ256 = 2011 SE84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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