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109441 (2001 QA200)
Classification: Main-belt Asteroid          SPK-ID: 2109441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076958578942043 5.5913e-08  
a 2.652648487520988 1.2806e-08 au
q 2.101704384213553 1.5035e-07 au
i 15.33957495431772 4.8516e-06 deg
node 279.2227471989426 1.8251e-05 deg
peri 67.62432324324139 2.0412e-05 deg
M 139.4047825018745 9.487e-06 deg
tp 2458389.426915661108
(2018-Sep-27.92691566)
4.0364e-05 TDB
period 1578.039909491936
4.32
1.1427e-05
3.129e-08
d
yr
n .2281311124228191 1.652e-09 deg/d
Q 3.203592590828423 1.5466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      8199 days (22.45 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:04  

Additional Information
 Earth MOID = 1.14558 au 
 Jupiter MOID = 2.33578 au 
 T_jup = 3.309 
[ 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 14.9   n/a MPO453554  
diameter diameter 4.481 km 1.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.106   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

109441 (2001 QA200)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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