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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062564528750422 5.256e-08  
a 3.130546178385913 2.6486e-08 au
q 2.484850828070515 1.6474e-07 au
i 15.15344659037963 6.6394e-06 deg
node 137.6698692755265 1.9341e-05 deg
peri 238.5344822063728 2.4539e-05 deg
M 213.9904732198069 1.7364e-05 deg
tp 2458421.054234695038
(2018-Oct-29.55423470)
0.00010322 JED
period 2023.152399739755
5.54
2.5675e-05
7.029e-08
d
yr
n .1779401294960815 2.2582e-09 deg/d
Q 3.77624152870131 3.1949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1194  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1990-08-24  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49288  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:58:43  

Additional Information
 Earth MOID = 1.52088 au 
 Jupiter MOID = 1.83047 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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