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201166 (2002 NP20)
Classification: Main-belt Asteroid          SPK-ID: 2201166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0975674116607684 4.2095e-08  
a 3.128938813818349 2.7437e-08 au
q 2.823656352509178 1.3179e-07 au
i 8.736694881511246 5.5725e-06 deg
node 233.4606336982949 3.5155e-05 deg
peri 64.09808086578852 4.9261e-05 deg
M 92.78914334023537 3.3146e-05 deg
tp 2458479.438845683509
(2018-Dec-26.93884568)
0.00018673 TDB
period 2021.59443229386
5.53
2.659e-05
7.28e-08
d
yr
n .1780772613186888 2.3423e-09 deg/d
Q 3.43422127512752 3.0114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      8438 days (23.10 yr)  
   first obs. used      1997-10-08  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:43:49  

Additional Information
 Earth MOID = 1.82191 au 
 Jupiter MOID = 1.74695 au 
 T_jup = 3.189 
[ 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 15.4   n/a MPO503054  

201166 (2002 NP20)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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