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90292 (2003 EN21)
Classification: Main-belt Asteroid          SPK-ID: 2090292
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09760404924146406 3.7436e-08  
a 2.605297520776964 1.37e-08 au
q 2.351009933270385 9.7904e-08 au
i 5.797646803268897 5.2815e-06 deg
node 186.8447884721303 3.7944e-05 deg
peri 75.67505071459635 4.6346e-05 deg
M 315.6766536328473 2.6017e-05 deg
tp 2459189.609983677085
(2020-Dec-06.10998368)
0.00011098 TDB
period 1535.97595181133
4.21
1.2115e-05
3.317e-08
d
yr
n .2343786695198338 1.8487e-09 deg/d
Q 2.859585108283543 1.5037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1999-03-13  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:30:17  

Additional Information
 Earth MOID = 1.34401 au 
 Jupiter MOID = 2.19665 au 
 T_jup = 3.398 
[ 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 15.4   n/a MPO366264  

90292 (2003 EN21)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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