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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610196265799763 8.3096e-08  
a 3.099761017067544 3.0902e-08 au
q 2.600638655612161 2.5782e-07 au
i 8.862894302030886 8.3129e-06 deg
node 345.5260607112642 3.6893e-05 deg
peri 212.8840419964133 4.0542e-05 deg
M 274.4395428869502 2.0003e-05 deg
tp 2458074.263218696441
(2017-Nov-16.76321870)
0.00011447 JED
period 1993.38297720134
5.46
2.9809e-05
8.161e-08
d
yr
n .1805975089169423 2.7006e-09 deg/d
Q 3.598883378522928 3.5878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      17547 days (48.04 yr)  
   first obs. used      1968-02-25  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49974  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:42:49  

Additional Information
 Earth MOID = 1.60428 au 
 Jupiter MOID = 1.41318 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 12.6 mag n/a MPO358841  
rotation period rot_per 2.985538 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 sidereal period (not synodic); Incomplete or inconclusive result.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

22298 (1990 EJ)          Discovered 1990-Mar-02 by Ueda, S., Kaneda, H. at Kushiro
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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