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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713193047529249 3.8607e-08  
a 2.406376313384615 2.1267e-08 au
q 1.994117596401657 9.7006e-08 au
i 3.347465119676335 4.7866e-06 deg
node 65.84117227956479 0.00013232 deg
peri 199.9430910975341 0.00013431 deg
M 300.1538950204745 2.6952e-05 deg
tp 2459427.161173147641
(2021-Jul-31.66117315)		 0.00010344 TDB
period 1363.464211431418
3.73		 1.8075e-05
4.949e-08		 d
yr
n .2640333328749845 3.5002e-09 deg/d
Q 2.818635030367574 2.491e-08 au
   Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6053 days (16.57 yr)  
   first obs. used      2002-03-16  
   last obs. used      2018-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:12  

Additional Information
 Earth MOID = .976936 au 
 Jupiter MOID = 2.26092 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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