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JPL Small-Body Database Browser
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201537 (2003 QA71)
Classification: Main-belt Asteroid          SPK-ID: 2201537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0590305364586504 6.2952e-08  
a 2.720151682863238 2.7414e-08 au
q 2.55957966977492 1.6878e-07 au
i 6.415508585475603 5.6137e-06 deg
node 90.26377853400371 5.7075e-05 deg
peri 321.9849732062877 7.4944e-05 deg
M 112.5331913553592 4.6785e-05 deg
tp 2458088.268544323674
(2017-Nov-30.76854432)
0.00021342 TDB
period 1638.657198134241
4.49
2.4772e-05
6.782e-08
d
yr
n .2196920749561851 3.3212e-09 deg/d
Q 2.880723695951555 2.9033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      1999-10-19  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:14:40  

Additional Information
 Earth MOID = 1.57419 au 
 Jupiter MOID = 2.34405 au 
 T_jup = 3.347 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436980  
diameter diameter 3.797 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201537 (2003 QA71)          Discovered 2003-Aug-23 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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