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JPL Small-Body Database Browser
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154104 (2002 EG4)
Classification: Main-belt Asteroid          SPK-ID: 2154104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02239957523990143 4.1977e-08  
a 2.868040691790096 2.6113e-08 au
q 2.803797798523245 1.2962e-07 au
i 2.232882384982068 5.9458e-06 deg
node 163.6808774584096 0.00013609 deg
peri 304.7446394410911 0.00020382 deg
M 328.259300769712 0.00015068 deg
tp 2459156.919314801259
(2020-Nov-03.41931480)
0.00074268 TDB
period 1774.093031785497
4.86
2.4229e-05
6.634e-08
d
yr
n .2029205873367791 2.7714e-09 deg/d
Q 2.932283585056947 2.6698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6906 days (18.91 yr)  
   first obs. used      2000-12-01  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56781  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:53:33  

Additional Information
 Earth MOID = 1.82123 au 
 Jupiter MOID = 2.0735 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO493875  

154104 (2002 EG4)          Discovered 2002-Mar-10 by Asiago-DLR Asteroid Survey at Cima Ekar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2002 EG4 = 2004 TX334 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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