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180990 (2005 NL17)
Classification: Main-belt Asteroid          SPK-ID: 2180990
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02866614740775852 4.9546e-08  
a 2.674054158790568 1.8933e-08 au
q 2.597399328098347 1.3628e-07 au
i 2.729863975407465 5.0394e-06 deg
node 129.7767633011987 0.00010393 deg
peri 49.91484497930337 0.00013387 deg
M 313.6590452173777 8.4207e-05 deg
tp 2459406.096729575713
(2021-Jul-10.59672958)
0.00037366 TDB
period 1597.17949262047
4.37
1.6963e-05
4.644e-08
d
yr
n .2253973342779108 2.3938e-09 deg/d
Q 2.750708989482788 1.9476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      9451 days (25.88 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:38  

Additional Information
 Earth MOID = 1.60014 au 
 Jupiter MOID = 2.20553 au 
 T_jup = 3.377 
[ 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 16.5   n/a MPO454244  

180990 (2005 NL17)          Discovered 2005-Jul-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 NL17 = 1995 EF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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