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201214 (2002 QD41)
Classification: Main-belt Asteroid          SPK-ID: 2201214
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229871253946935 6.3167e-08  
a 2.967016391615722 2.3571e-08 au
q 2.284984613193906 1.8021e-07 au
i 2.607664509389262 4.8567e-06 deg
node 69.65915653295752 0.0001092 deg
peri 288.996260204988 0.0001097 deg
M 142.2631133973279 1.3503e-05 deg
tp 2458262.819754653662
(2018-May-24.31975465)		 6.6319e-05 TDB
period 1866.716410057632
5.11		 2.2245e-05
6.09e-08		 d
yr
n .1928520036896689 2.2981e-09 deg/d
Q 3.649048170037538 2.899e-08 au
   Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      6456 days (17.68 yr)  
   first obs. used      2002-07-14  
   last obs. used      2020-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:56  

Additional Information
 Earth MOID = 1.28308 au 
 Jupiter MOID = 1.80507 au 
 T_jup = 3.222 
[ 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 15.3   n/a MPO454424  
diameter diameter 5.682 km 2.811 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201214 (2002 QD41)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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