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186609 (2003 DA22)
Classification: Main-belt Asteroid          SPK-ID: 2186609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450189465276664 4.8709e-08  
a 2.722449945590347 1.4107e-08 au
q 2.327643122506533 1.3436e-07 au
i 8.895517557661739 4.3766e-06 deg
node 75.62665023222564 3.9083e-05 deg
peri 69.17301784338159 4.378e-05 deg
M 2.700603246885919 1.9044e-05 deg
tp 2459188.191742683127
(2020-Dec-04.69174268)
8.6783e-05 TDB
period 1640.734394874059
4.49
1.2753e-05
3.492e-08
d
yr
n .2194139411745758 1.7054e-09 deg/d
Q 3.117256768674162 1.6153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      7973 days (21.83 yr)  
   first obs. used      1999-06-19  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:20  

Additional Information
 Earth MOID = 1.35788 au 
 Jupiter MOID = 1.96385 au 
 T_jup = 3.325 
[ 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 15.75   n/a MPCxxxxx  
diameter diameter 4.159 km 0.719 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.054   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

186609 (2003 DA22)          Discovered 2003-Feb-28 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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