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441907 (2010 EW122)
Classification: Main-belt Asteroid          SPK-ID: 2441907
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 .2631708335896946 6.9191e-08  
a 2.686403690382666 4.3982e-08 au
q 1.979420591826228 2.0923e-07 au
i 12.17017845306671 9.6226e-06 deg
node 210.6370195932314 2.7097e-05 deg
peri 77.34425243983381 5.0191e-05 deg
M 53.80920831057165 2.6138e-05 deg
tp 2458760.113850188713
(2019-Oct-03.61385019)
0.00011853 TDB
period 1608.256591187597
4.40
3.9496e-05
1.081e-07
d
yr
n .2238448777220074 5.4972e-09 deg/d
Q 3.393386788939104 5.5556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      4265 days (11.68 yr)  
   first obs. used      2007-11-08  
   last obs. used      2019-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:38:17  

Additional Information
 Earth MOID = 1.00606 au 
 Jupiter MOID = 1.93682 au 
 T_jup = 3.292 
[ 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 16.8   n/a MPO477084  

441907 (2010 EW122)          Discovered 2010-Mar-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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