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9752 (1990 QZ1)
Classification: Main-belt Asteroid          SPK-ID: 2009752
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08248555253371902 5.5196e-08  
a 2.400439927895756 1.8284e-08 au
q 2.202438314119274 1.2567e-07 au
i 7.179924535881584 6.9905e-06 deg
node 345.8119255020454 4.3594e-05 deg
peri 119.742289161826 6.5677e-05 deg
M 183.7538471104792 5.2966e-05 deg
tp 2458065.546228802660
(2017-Nov-08.04622880)
0.00020406 JED
period 1358.421948188765
3.72
1.552e-05
4.249e-08
d
yr
n .2650133859218055 3.0278e-09 deg/d
Q 2.598441541672238 1.9792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      9072 days (24.84 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49348  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:02:56  

Additional Information
 Earth MOID = 1.22897 au 
 Jupiter MOID = 2.48771 au 
 T_jup = 3.511 
[ 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 13.8 mag n/a MPO267746  

9752 (1990 QZ1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QZ1 = 1992 BD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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