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22298 (1990 EJ)
Classification: Main-belt Asteroid          SPK-ID: 2022298
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604788820428875 9.786e-08  
a 3.10138618930264 3.3569e-08 AU
q 2.603679200860102 2.9853e-07 AU
i 8.86255734844919 1.1047e-05 deg
node 345.5269536146466 3.7569e-05 deg
peri 212.7916276007316 4.2667e-05 deg
M 166.2041798764177 2.0768e-05 deg
tp 2456079.474529212332
(2012-May-31.97452921)
0.00011257 JED
period 1994.950847386036
5.46
3.2389e-05
8.868e-08
d
yr
n .1804555738662456 2.9298e-09 deg/d
Q 3.599093177745179 3.8956e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      17044 days (46.66 yr)  
   first obs. used      1968-02-25  
   last obs. used      2014-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50789  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:40:30  

Additional Information
 Earth MOID = 1.60913 AU 
 T_jup = 3.184 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO309329  

22298 (1990 EJ)          Discovered 1990-Mar-02 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 EJ = 1968 DJ = 1998 SE110 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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