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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08269808600763345 5.9464e-08  
a 2.400152243952492 1.9742e-08 AU
q 2.201664247250694 1.3918e-07 AU
i 7.179965694735208 8.7092e-06 deg
node 345.8147313814239 4.4002e-05 deg
peri 119.7243276982626 6.9562e-05 deg
M 77.73875725361387 5.5061e-05 deg
tp 2456707.213748275341
(2014-Feb-18.71374828)
0.00020651 JED
period 1358.177752654632
3.72
1.6758e-05
4.588e-08
d
yr
n .2650610343869648 3.2704e-09 deg/d
Q 2.598640240654289 2.1375e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      8985 days (24.60 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:35:58  

Additional Information
 Earth MOID = 1.22828 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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