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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08269808100511922 5.6306e-08  
a 2.400152245627798 1.8726e-08 AU
q 2.201664260794252 1.2925e-07 AU
i 7.179967757448487 7.6848e-06 deg
node 345.8147281125329 4.361e-05 deg
peri 119.7243260363771 6.6604e-05 deg
M 77.73876091112338 5.2992e-05 deg
tp 2456707.213734169526
(2014-Feb-18.71373417)
0.00019833 JED
period 1358.177754076644
3.72
1.5895e-05
4.352e-08
d
yr
n .2650610341094459 3.102e-09 deg/d
Q 2.598640230461344 2.0275e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49907  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:06:27  

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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