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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845486207634517 8.9711e-08  
a 2.160838201894347 1.7281e-08 AU
q 1.762058492041769 1.9916e-07 AU
i 6.218106333954231 8.7196e-06 deg
node 337.6751429984454 4.8542e-05 deg
peri 6.659335741159684 5.1557e-05 deg
M 229.0078470532735 2.0046e-05 deg
tp 2457422.657568792358
(2016-Feb-04.15756879)
6.8214e-05 JED
period 1160.197167131504
3.18
1.3918e-05
3.811e-08
d
yr
n .3102920867235623 3.7224e-09 deg/d
Q 2.559617911746926 2.0471e-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 = .7549 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 15.8 mag n/a MPO287058  

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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