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JPL Small-Body Database Browser
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154109 (2002 EW23)
Classification: Main-belt Asteroid          SPK-ID: 2154109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0780936989503055 7.9549e-08  
a 2.903982050882826 2.5997e-08 au
q 2.677199350844092 2.3643e-07 au
i 1.924024250434412 1.0448e-05 deg
node 177.6047601821949 0.0001268 deg
peri 214.0372725883902 0.00013595 deg
M 18.27196587758483 4.803e-05 deg
tp 2458908.757178346116
(2020-Feb-29.25717835)
0.0002412 TDB
period 1807.545833692395
4.95
2.4272e-05
6.645e-08
d
yr
n .1991650741517319 2.6745e-09 deg/d
Q 3.130764750921561 2.8027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      6460 days (17.69 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:53:33  

Additional Information
 Earth MOID = 1.6829 au 
 Jupiter MOID = 2.22982 au 
 T_jup = 3.281 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO493875  

154109 (2002 EW23)          Discovered 2002-Mar-05 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 EW23 = 2005 WB160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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