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390842 (2004 RJ71)
Classification: Main-belt Asteroid          SPK-ID: 2390842
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495924892032714 6.1822e-08  
a 2.372847561495503 1.9694e-08 au
q 2.017887388271478 1.4279e-07 au
i 6.072592297653323 7.4548e-06 deg
node 25.03224122381046 4.7659e-05 deg
peri 300.4972366479263 5.3949e-05 deg
M 130.8288652365641 2.6834e-05 deg
tp 2458515.318471006128
(2019-Jan-31.81847101)		 9.6996e-05 TDB
period 1335.067380749385
3.66		 1.6621e-05
4.551e-08		 d
yr
n .2696493114811396 3.3571e-09 deg/d
Q 2.727807734719528 2.2641e-08 au
   Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1997-11-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:35:42  

Additional Information
 Earth MOID = 1.01465 au 
 Jupiter MOID = 2.6089 au 
 T_jup = 3.521 
[ 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 17.2   n/a MPO455777  

390842 (2004 RJ71)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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