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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08269809064626937 6.0443e-08  
a 2.400152249416214 2.0168e-08 AU
q 2.201664241129145 1.4182e-07 AU
i 7.179967737949781 8.8929e-06 deg
node 345.814732260301 4.4217e-05 deg
peri 119.724333837349 7.0444e-05 deg
M 77.73874725507318 5.597e-05 deg
tp 2456707.213784995537
(2014-Feb-18.71378500)
0.00020994 JED
period 1358.177757292279
3.72
1.7119e-05
4.687e-08
d
yr
n .2650610334818848 3.3409e-09 deg/d
Q 2.598640257703284 2.1836e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50114  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:06  

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 (675)
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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