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344446 (2002 JO54)
Classification: Main-belt Asteroid          SPK-ID: 2344446
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015274540671483 8.7496e-08  
a 2.809897830533675 2.5671e-08 au
q 2.24362627455742 2.4924e-07 au
i 7.365867480581318 9.3463e-06 deg
node 44.12295638135266 4.8677e-05 deg
peri 168.6557358430229 5.0649e-05 deg
M 310.0836704289301 1.4437e-05 deg
tp 2459239.047221846590
(2021-Jan-24.54722185)
7.0623e-05 TDB
period 1720.418961143812
4.71
2.3576e-05
6.455e-08
d
yr
n .2092513557050404 2.8675e-09 deg/d
Q 3.37616938650993 3.0844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      6504 days (17.81 yr)  
   first obs. used      2002-04-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:03:28  

Additional Information
 Earth MOID = 1.23794 au 
 Jupiter MOID = 1.59022 au 
 T_jup = 3.279 
[ 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 16.1   n/a MPO418777  

344446 (2002 JO54)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2002 JO54 = 2009 VD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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