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227913 (2007 EJ203)
Classification: Main-belt Asteroid          SPK-ID: 2227913
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 .09432613336640239 9.3157e-08  
a 2.712974632665093 3.047e-08 au
q 2.457070225644659 2.4264e-07 au
i 2.880701684221961 6.9594e-06 deg
node 121.4763800018904 0.00015283 deg
peri 234.2798580947233 0.00015591 deg
M 216.3494115896284 3.4192e-05 deg
tp 2459851.786288071243
(2022-Sep-29.28628807)
0.00016041 TDB
period 1632.176145605813
4.47
2.7497e-05
7.528e-08
d
yr
n .2205644292555073 3.7158e-09 deg/d
Q 2.968879039685528 3.3344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7133 days (19.53 yr)  
   first obs. used      2000-10-06  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:39  

Additional Information
 Earth MOID = 1.45187 au 
 Jupiter MOID = 2.42598 au 
 T_jup = 3.354 
[ 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 16.49   n/a E2021B55  

227913 (2007 EJ203)          Discovered 2007-Mar-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 EJ203 = 2002 CW187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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