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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602741327882466 9.7045e-08  
a 3.101938820614886 3.3356e-08 AU
q 2.604778266178639 2.9974e-07 AU
i 8.861783405105154 1.0911e-05 deg
node 345.5263657065429 4.5076e-05 deg
peri 212.8095801898336 5.2236e-05 deg
M 130.1067370859475 2.3918e-05 deg
tp 2456079.316879242425
(2012-May-31.81687924)
0.00013208 JED
period 1995.484087047853
5.46
3.2187e-05
8.812e-08
d
yr
n .1804073519486638 2.91e-09 deg/d
Q 3.599099375051134 3.8702e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      16579 days (45.39 yr)  
   first obs. used      1968-02-25  
   last obs. used      2013-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55033  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 19:57:20  

Additional Information
 Earth MOID = 1.60934 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 12.4 mag n/a MPO266072  

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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