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180545 (2004 EJ16)
Classification: Main-belt Asteroid          SPK-ID: 2180545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0871013813304302 3.82e-08  
a 2.542049905627669 1.7673e-08 au
q 2.32063384743661 1.0033e-07 au
i 4.692862522016441 4.3215e-06 deg
node 66.14091796006697 7.0654e-05 deg
peri 175.0053398512094 7.8475e-05 deg
M 350.6411205988384 3.6561e-05 deg
tp 2459238.985389444370
(2021-Jan-24.48538944)
0.00015045 TDB
period 1480.384521062799
4.05
1.5438e-05
4.227e-08
d
yr
n .2431800622594651 2.5359e-09 deg/d
Q 2.763465963818729 1.9212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      5904 days (16.16 yr)  
   first obs. used      2004-02-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60917  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:56  

Additional Information
 Earth MOID = 1.30645 au 
 Jupiter MOID = 2.23339 au 
 T_jup = 3.435 
[ 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 16.64   n/a E2021B55  

180545 (2004 EJ16)          Discovered 2004-Mar-12 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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