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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602741505841767 9.9375e-08  
a 3.101938816944394 3.72e-08 AU
q 2.604778207894545 3.0607e-07 AU
i 8.861779366500185 1.111e-05 deg
node 345.52630104 4.3373e-05 deg
peri 212.8096619169494 5.1126e-05 deg
M 130.106714937848 2.326e-05 deg
tp 2456079.317003289645
(2012-May-31.81700329)
0.00013001 JED
period 1995.484083505999
5.46
3.5896e-05
9.828e-08
d
yr
n .180407352268875 3.2453e-09 deg/d
Q 3.599099425994242 4.3162e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      16927 days (46.34 yr)  
   first obs. used      1968-02-25  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50836  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:48:17  

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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