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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027846796395482 5.4613e-08  
a 3.139257602193923 2.9031e-08 AU
q 2.502664255027013 1.7185e-07 AU
i 15.15910327576339 7.4971e-06 deg
node 137.7089793753863 2.2581e-05 deg
peri 238.6836194466881 2.9069e-05 deg
M 107.3287930469165 1.8293e-05 deg
tp 2456394.806931533610
(2013-Apr-12.30693153)
0.00010189 JED
period 2031.603062494001
5.56
2.8181e-05
7.716e-08
d
yr
n .1771999691505008 2.458e-09 deg/d
Q 3.775850949360834 3.4918e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1990-08-24  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51323  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:19:32  

Additional Information
 Earth MOID = 1.53986 AU 
 T_jup = 3.126 
[ 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 (675)
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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