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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604788799243127 9.8008e-08  
a 3.101386191243772 3.3907e-08 AU
q 2.603679209060241 2.9925e-07 AU
i 8.862557243771866 1.1083e-05 deg
node 345.526955146861 3.8492e-05 deg
peri 212.7916238695345 4.3867e-05 deg
M 166.204181140509 2.0997e-05 deg
tp 2456079.474521342638
(2012-May-31.97452134)
0.0001142 JED
period 1994.95084925897
5.46
3.2716e-05
8.957e-08
d
yr
n .1804555736968271 2.9593e-09 deg/d
Q 3.599093173427302 3.9348e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      17020 days (46.60 yr)  
   first obs. used      1968-02-25  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50385  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:46:03  

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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