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39533 (1990 QD3)
Classification: Main-belt Asteroid          SPK-ID: 2039533
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842939795279772 8.9657e-08  
a 2.161272036616995 1.7354e-08 AU
q 1.762962612146312 1.9905e-07 AU
i 6.217537925144915 8.7186e-06 deg
node 337.6741401785976 4.8545e-05 deg
peri 6.664302851339089 5.157e-05 deg
M 166.9455913528828 1.9565e-05 deg
tp 2456262.310732866687
(2012-Nov-30.81073287)
5.8944e-05 JED
period 1160.546586453161
3.18
1.3978e-05
3.827e-08
d
yr
n .3101986634592797 3.7361e-09 deg/d
Q 2.559581461087677 2.0552e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 04:59:36  

Additional Information
 Earth MOID = .75409 AU 
 T_jup = 3.667 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO247679  

39533 (1990 QD3)          Discovered 1990-Aug-28 by Holt, H. E. at Palomar (675)
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QD3 = 2000 XL32 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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