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332355 (2007 EQ18)
Classification: Main-belt Asteroid          SPK-ID: 2332355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042247180110386 3.6984e-08  
a 2.654576427303445 2.1056e-08 au
q 2.112446304998648 9.3084e-08 au
i 6.153299649582523 4.4663e-06 deg
node 90.21319195626651 5.1844e-05 deg
peri 25.69982569148923 5.4232e-05 deg
M 54.45443260615361 1.4988e-05 deg
tp 2458761.541758500685
(2019-Oct-05.04175850)
6.5287e-05 TDB
period 1579.760596569549
4.33
1.8796e-05
5.146e-08
d
yr
n .2278826303059718 2.7114e-09 deg/d
Q 3.196706549608241 2.5356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      6203 days (16.98 yr)  
   first obs. used      2003-04-24  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:28:51  

Additional Information
 Earth MOID = 1.13079 au 
 Jupiter MOID = 1.9223 au 
 T_jup = 3.351 
[ 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 16.4   n/a MPO418706  

332355 (2007 EQ18)          Discovered 2007-Feb-22 by CSS at Catalina
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2007 EQ18 = 2010 WF55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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