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117052 (2004 JA42)
Classification: Main-belt Asteroid          SPK-ID: 2117052
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140827098751188 5.3094e-08  
a 3.132713272782766 3.0141e-08 au
q 2.69154235135743 1.7867e-07 au
i 1.753321142198294 5.6609e-06 deg
node 32.42743929216237 0.000145 deg
peri 197.0283534733645 0.00014626 deg
M 329.3849832818772 1.7138e-05 deg
tp 2459172.731029557545
(2020-Nov-19.23102956)
9.6543e-05 TDB
period 2025.25352873686
5.54
2.9228e-05
8.002e-08
d
yr
n .1777555228971901 2.5653e-09 deg/d
Q 3.573884194208102 3.4385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:08:08  

Additional Information
 Earth MOID = 1.68142 au 
 Jupiter MOID = 1.41739 au 
 T_jup = 3.197 
[ 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 15.5   n/a MPO426739  

117052 (2004 JA42)          Discovered 2004-May-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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