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JPL Small-Body Database Browser
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268235 (2005 ER223)
Classification: Main-belt Asteroid          SPK-ID: 2268235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544341791521507 6.9684e-08  
a 3.141942780550794 4.4679e-08 au
q 2.656719426293407 2.2486e-07 au
i 5.907583580423032 9.6773e-06 deg
node 169.8840443296199 7.0108e-05 deg
peri 85.2217904822886 7.6499e-05 deg
M 145.7265668071118 3.351e-05 deg
tp 2457777.059796756830
(2017-Jan-23.55979676)
0.00018212 TDB
period 2034.210231274552
5.57
4.3391e-05
1.188e-07
d
yr
n .1769728587858094 3.7749e-09 deg/d
Q 3.627166134808182 5.158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1994-05-16  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71378  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:31:11  

Additional Information
 Earth MOID = 1.65032 au 
 Jupiter MOID = 1.46346 au 
 T_jup = 3.183 
[ 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 15.8   n/a MPO413199  

268235 (2005 ER223)          Discovered 2005-Mar-12 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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