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180991 (2005 NP19)
Classification: Main-belt Asteroid          SPK-ID: 2180991
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07638816875941101 7.9212e-08  
a 2.863272190394437 2.1587e-08 au
q 2.644552071110458 2.3432e-07 au
i .9584986653460141 4.6207e-06 deg
node 257.2157094663631 0.00046543 deg
peri 124.1853707101559 0.00046779 deg
M 359.7328092029204 4.1321e-05 deg
tp 2459201.813443435963
(2020-Dec-18.31344344)		 0.00020312 TDB
period 1769.670370816403
4.85		 2.0013e-05
5.479e-08		 d
yr
n .2034277150913258 2.3005e-09 deg/d
Q 3.081992309678415 2.3235e-08 au
   Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      10653 days (29.17 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:38  

Additional Information
 Earth MOID = 1.64592 au 
 Jupiter MOID = 2.30035 au 
 T_jup = 3.296 
[ 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 16.4   n/a MPO440016  

180991 (2005 NP19)          Discovered 2005-Jul-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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