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180538 (2004 EA5)
Classification: Main-belt Asteroid          SPK-ID: 2180538
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 .05554015540798228 7.3923e-08  
a 2.576569250884495 1.7386e-08 au
q 2.433466194270941 1.9124e-07 au
i 3.654813989973464 6.2613e-06 deg
node 15.1966869953055 8.5497e-05 deg
peri 178.0367635398729 0.00010215 deg
M .1205346434886785 5.9506e-05 deg
tp 2459199.994209645377
(2020-Dec-16.49420965)
0.0002497 TDB
period 1510.640612474369
4.14
1.529e-05
4.186e-08
d
yr
n .2383094940168028 2.4121e-09 deg/d
Q 2.719672307498048 1.8352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7649 days (20.94 yr)  
   first obs. used      2000-04-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55058  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:55  

Additional Information
 Earth MOID = 1.43156 au 
 Jupiter MOID = 2.23513 au 
 T_jup = 3.422 
[ 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 16.6   n/a MPO459825  

180538 (2004 EA5)          Discovered 2004-Mar-11 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 EA5 = 2000 GB17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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