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7286 (1990 QZ4)
Classification: Main-belt Asteroid          SPK-ID: 2007286
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2055051524710991 5.3907e-08  
a 3.132500928301013 2.7256e-08 au
q 2.488755847414654 1.6816e-07 au
i 15.15553172728378 7.2763e-06 deg
node 137.6908244184595 1.9637e-05 deg
peri 238.4930299931978 2.565e-05 deg
M 178.4285040313336 1.7748e-05 deg
tp 2456396.816064778570
(2013-Apr-14.31606478)
9.5382e-05 JED
period 2025.047615801692
5.54
2.643e-05
7.236e-08
d
yr
n .1777735976136444 2.3202e-09 deg/d
Q 3.776246009187373 3.2857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      9056 days (24.79 yr)  
   first obs. used      1990-08-24  
   last obs. used      2015-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49161  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:56:27  

Additional Information
 Earth MOID = 1.52409 au 
 Jupiter MOID = 1.82973 au 
 T_jup = 3.127 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2 mag n/a MPO290524  

7286 (1990 QZ4)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 QZ4 = 1991 XE3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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