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181020 (2005 NW86)
Classification: Main-belt Asteroid          SPK-ID: 2181020
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05480087930832853 4.6679e-08  
a 2.845436848095806 2.2282e-08 au
q 2.689504406803837 1.2922e-07 au
i .89832707803774 4.9802e-06 deg
node 259.334033765889 0.00042508 deg
peri 32.93768125355972 0.00042975 deg
M 87.510250883368 6.2751e-05 deg
tp 2458774.334506655558
(2019-Oct-17.83450666)
0.00030543 TDB
period 1753.161213175743
4.80
2.0593e-05
5.638e-08
d
yr
n .2053433519373168 2.412e-09 deg/d
Q 3.001369289387775 2.3503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6955 days (19.04 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:54  

Additional Information
 Earth MOID = 1.6714 au 
 Jupiter MOID = 2.09045 au 
 T_jup = 3.305 
[ 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 16.3   n/a MPO436894  

181020 (2005 NW86)          Discovered 2005-Jul-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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