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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160478878625973 9.7816e-08  
a 3.101386193046888 3.342e-08 AU
q 2.603679214600648 2.9831e-07 AU
i 8.862557061190252 1.1013e-05 deg
node 345.5269565909753 3.7175e-05 deg
peri 212.7916203761657 4.2156e-05 deg
M 166.2041823485032 2.066e-05 deg
tp 2456079.474513845289
(2012-May-31.97451385)
0.0001118 JED
period 1994.950850998738
5.46
3.2246e-05
8.828e-08
d
yr
n .1804555735394545 2.9168e-09 deg/d
Q 3.599093171493128 3.8783e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      17130 days (46.90 yr)  
   first obs. used      1968-02-25  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49556  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:07:57  

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
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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