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180556 (2004 EV25)
Classification: Main-belt Asteroid          SPK-ID: 2180556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01686814831715181 3.9974e-08  
a 2.699025683724672 1.6883e-08 au
q 2.653498118179802 1.0867e-07 au
i 5.202267602318812 4.647e-06 deg
node 300.4341628261893 5.0056e-05 deg
peri 88.88746399754345 0.00017475 deg
M 67.92551291641915 0.00016433 deg
tp 2458894.909831052675
(2020-Feb-15.40983105)
0.00074007 TDB
period 1619.604418098468
4.43
1.5196e-05
4.16e-08
d
yr
n .2222764991112248 2.0856e-09 deg/d
Q 2.744553249269542 1.7168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1997-10-21  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:59  

Additional Information
 Earth MOID = 1.65951 au 
 Jupiter MOID = 2.32901 au 
 T_jup = 3.362 
[ 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 MPO494002  

180556 (2004 EV25)          Discovered 2004-Mar-13 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 EV25 = 2006 UH54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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