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JPL Small-Body Database Browser
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266705 (2009 QZ21)
Classification: Main-belt Asteroid          SPK-ID: 2266705
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744246590832883 5.3846e-08  
a 2.409330245344583 2.4112e-08 au
q 1.989083638681299 1.2642e-07 au
i 3.82146991485382 5.6755e-06 deg
node 108.3345652993799 9.6598e-05 deg
peri 215.8462783821432 9.9079e-05 deg
M 218.8886765341997 2.654e-05 deg
tp 2459135.929493358961
(2020-Oct-13.42949336)
0.00010488 TDB
period 1365.975549481272
3.74
2.0506e-05
5.614e-08
d
yr
n .2635479091384247 3.9563e-09 deg/d
Q 2.829576852007867 2.8318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9004 days (24.65 yr)  
   first obs. used      1994-08-12  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:24:49  

Additional Information
 Earth MOID = .977417 au 
 Jupiter MOID = 2.48628 au 
 T_jup = 3.497 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO232383  

266705 (2009 QZ21)          Discovered 2009-Aug-20 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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