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213257 (2001 EA23)
Classification: Main-belt Asteroid          SPK-ID: 2213257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139654973485774 8.5966e-08  
a 2.450838132425944 1.3812e-08 au
q 2.108566398024075 2.194e-07 au
i 2.554101939493466 5.4478e-06 deg
node 178.7682667794776 0.00010748 deg
peri 23.64561216827958 0.00010959 deg
M 31.65164558134472 2.6555e-05 deg
tp 2459077.284834846130
(2020-Aug-15.78483485)
0.00010267 TDB
period 1401.426644355489
3.84
1.1847e-05
3.244e-08
d
yr
n .2568810871763914 2.1716e-09 deg/d
Q 2.793109866827813 1.5741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6999 days (19.16 yr)  
   first obs. used      2001-02-21  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:58  

Additional Information
 Earth MOID = 1.10486 au 
 Jupiter MOID = 2.16273 au 
 T_jup = 3.481 
[ 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 16.89   n/a E2021B55  

213257 (2001 EA23)          Discovered 2001-Mar-15 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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