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212271 (2005 JO140)
Classification: Main-belt Asteroid          SPK-ID: 2212271
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 .1659940154204845 7.4401e-08  
a 2.643406846720405 1.7839e-08 au
q 2.204617129843284 1.9074e-07 au
i 9.980670004684081 5.0473e-06 deg
node 180.1112036759925 2.9901e-05 deg
peri 25.87649205071381 3.2727e-05 deg
M 200.0979214898329 1.4847e-05 deg
tp 2459697.762086122480
(2022-Apr-28.26208612)
6.7651e-05 TDB
period 1569.800426253574
4.30
1.5891e-05
4.351e-08
d
yr
n .2293285146183597 2.3215e-09 deg/d
Q 3.082196563597526 2.0801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      6206 days (16.99 yr)  
   first obs. used      2002-10-30  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:28  

Additional Information
 Earth MOID = 1.20614 au 
 Jupiter MOID = 1.88284 au 
 T_jup = 3.353 
[ 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 16.3   n/a MPO257934  

212271 (2005 JO140)          Discovered 2005-May-14 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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