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213581 (2002 NK46)
Classification: Main-belt Asteroid          SPK-ID: 2213581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067706880667333 4.2409e-08  
a 2.387003299371341 1.2922e-08 au
q 2.132141314679901 1.054e-07 au
i 3.847922577478233 5.2545e-06 deg
node 177.0128301773189 6.0919e-05 deg
peri 128.8131682708689 6.7317e-05 deg
M 351.478246883423 2.6537e-05 deg
tp 2459232.386320217004
(2021-Jan-17.88632022)
9.9302e-05 TDB
period 1347.032133070336
3.69
1.0938e-05
2.995e-08
d
yr
n .2672542036391068 2.1701e-09 deg/d
Q 2.641865284062782 1.4301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:16  

Additional Information
 Earth MOID = 1.11784 au 
 Jupiter MOID = 2.55251 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457715.5 (2016-Nov-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057903990904692 4.2462e-08  
q 2.133762315393943 1.0533e-07 au
tp 2457886.168271578032
(2017-May-12.66827158)
0.00010044 TDB
node 177.0467006824203 6.0931e-05 deg
peri 128.8755660840808 6.7435e-05 deg
i 3.847600160424668 5.2547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:16  

Additional Information
 Jupiter MOID = 2.55251 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.803063723217576E-15 -4.44806237856682E-15 1.454557683064157E-12 -8.105791236817751E-15 4.931209663561675E-13 -2.737008379345756E-16
q -4.44806237856682E-15 1.109431438218787E-14 -3.553494942887501E-12 1.888378328198295E-14 -1.21144170169934E-12 9.20690521774538E-16
tp 1.454557683064157E-12 -3.553494942887501E-12 1.008824455882453E-8 -3.833053474864587E-11 2.908711866438443E-9 5.209038570395524E-12
node -8.105791236817751E-15 1.888378328198295E-14 -3.833053474864587E-11 3.712547382215958E-9 -3.714715757141732E-9 6.667540467588576E-11
peri 4.931209663561675E-13 -1.21144170169934E-12 2.908711866438443E-9 -3.714715757141732E-9 4.547437574716865E-9 -6.512809337637231E-11
i -2.737008379345756E-16 9.20690521774538E-16 5.209038570395524E-12 6.667540467588576E-11 -6.512809337637231E-11 2.761188974801099E-11

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 16.98   n/a E2021B55  

213581 (2002 NK46)          Discovered 2002-Jul-13 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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