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308741 (2006 JJ8)
Classification: Main-belt Asteroid          SPK-ID: 2308741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713456637895422 3.9176e-08  
a 2.406777602045695 2.1669e-08 au
q 1.994386696229373 9.8975e-08 au
i 3.347446499107084 4.8106e-06 deg
node 65.84639602583331 0.00013384 deg
peri 199.881609693018 0.00013583 deg
M 247.4164040999902 2.6704e-05 deg
tp 2459427.005841527885
(2021-Jul-31.50584153)
0.0001036 TDB
period 1363.805283732505
3.73
1.8418e-05
5.043e-08
d
yr
n .2639673011199521 3.5649e-09 deg/d
Q 2.819168507862017 2.5382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6031 days (16.51 yr)  
   first obs. used      2002-03-16  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59125  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:43:50  

Additional Information
 Earth MOID = .978958 au 
 Jupiter MOID = 2.26121 au 
 T_jup = 3.500 
[ 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 17.3   n/a MPO455274  

308741 (2006 JJ8)          Discovered 2006-May-01 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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