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33167 (1998 EJ9)
Classification: Main-belt Asteroid          SPK-ID: 2033167
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056075924152438 9.0874e-08  
a 2.628633240468238 2.6938e-08 au
q 2.351029612599707 2.355e-07 au
i 22.76843292096874 7.2279e-06 deg
node 122.041017313588 1.9172e-05 deg
peri 316.726171161592 3.9537e-05 deg
M 153.0493763057677 3.7317e-05 deg
tp 2456938.706521078417
(2014-Oct-08.20652108)
0.00015775 JED
period 1556.658760476056
4.26
2.3929e-05
6.551e-08
d
yr
n .231264557872597 3.555e-09 deg/d
Q 2.906236868336769 2.9783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      6622 days (18.13 yr)  
   first obs. used      1998-03-01  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:01:53  

Additional Information
 Earth MOID = 1.39938 au 
 Jupiter MOID = 2.30094 au 
 T_jup = 3.283 
[ 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 13.9 mag n/a MPO337533  

33167 (1998 EJ9)          Discovered 1998-Mar-11 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EJ9 = 1999 LS4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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