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216746 (2005 NR3)
Classification: Main-belt Asteroid          SPK-ID: 2216746
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002750536100931493 7.7283e-08  
a 2.570256383208473 2.4718e-08 au
q 2.563186800237809 1.8175e-07 au
i 12.26317530464442 5.8467e-06 deg
node 130.7413826650983 2.0826e-05 deg
peri 277.7994410722295 0.001654 deg
M 166.9926536204783 0.0016464 deg
tp 2458502.335179335085
(2019-Jan-18.83517933)
0.006889 TDB
period 1505.092170165668
4.12
2.1712e-05
5.944e-08
d
yr
n .23918800930336 3.4504e-09 deg/d
Q 2.577325966179138 2.4786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:07  

Additional Information
 Earth MOID = 1.5549 au 
 Jupiter MOID = 2.43921 au 
 T_jup = 3.398 
[ 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 16.27   n/a E2021B55  

216746 (2005 NR3)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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