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187930 (2001 DY43)
Classification: Main-belt Asteroid          SPK-ID: 2187930
[ 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 .09758572860025759 6.5887e-08  
a 3.157432612748587 3.668e-08 au
q 2.849312250727301 2.3002e-07 au
i 17.53996683581067 5.1594e-06 deg
node 158.0540789289592 1.5458e-05 deg
peri 217.8689224928412 3.0921e-05 deg
M 323.7312492345405 2.9161e-05 deg
tp 2459406.957022081896
(2021-Jul-11.45702208)		 0.00016718 TDB
period 2049.271794060951
5.61		 3.571e-05
9.777e-08		 d
yr
n .1756721587850501 3.0612e-09 deg/d
Q 3.465552974769873 4.0259e-08 au
   Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      8141 days (22.29 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:35:33  

Additional Information
 Earth MOID = 1.86406 au 
 Jupiter MOID = 2.01795 au 
 T_jup = 3.126 
[ 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 14.78   n/a E2021B55  

187930 (2001 DY43)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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