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3344 Modena (1982 JA)
Classification: Main-belt Asteroid          SPK-ID: 2003344
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183823060782006 3.5044e-08  
a 2.416861898416419 8.1464e-09 au
q 2.130748213409346 8.3886e-08 au
i 9.433749315588251 3.7607e-06 deg
node 77.85472533330051 2.084e-05 deg
peri 206.2873971692096 2.5571e-05 deg
M .8790026173513913 1.4014e-05 deg
tp 2458997.149081639716
(2020-May-27.64908164)
5.3429e-05 TDB
period 1372.385685650343
3.76
6.9387e-06
1.9e-08
d
yr
n .2623169301196871 1.3263e-09 deg/d
Q 2.702975583423493 9.1108e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2455  
   data-arc span      23960 days (65.60 yr)  
   first obs. used      1955-03-25  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45206  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:04  

Additional Information
 Earth MOID = 1.11858 au 
 Jupiter MOID = 2.41779 au 
 T_jup = 3.488 
[ 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 13.0   n/a MPO384782  

3344 Modena (1982 JA)          Discovered 1982-May-15 by Osservatorio San Vittore at Bologna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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