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227071 (2005 JF42)
Classification: Main-belt Asteroid          SPK-ID: 2227071
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232460164843145 4.0578e-08  
a 2.32272818814562 1.2128e-08 au
q 1.804188372766281 9.3797e-08 au
i 3.203109224170415 4.7017e-06 deg
node 71.75866797170956 9.4798e-05 deg
peri 236.0961633312266 9.5366e-05 deg
M 90.87880004524415 1.1588e-05 deg
tp 2458874.095531355631
(2020-Jan-25.59553136)		 4.0728e-05 TDB
period 1292.992520295959
3.54		 1.0127e-05
2.773e-08		 d
yr
n .2784238843992679 2.1806e-09 deg/d
Q 2.841268003524958 1.4835e-08 au
   Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      9809 days (26.86 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:41  

Additional Information
 Earth MOID = .78983 au 
 Jupiter MOID = 2.4229 au 
 T_jup = 3.541 
[ 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 MPO433485  

227071 (2005 JF42)          Discovered 2005-May-08 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Alternate Designations
 2005 JF42 = 2006 WN108 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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