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129200 (2005 NC9)
Classification: Main-belt Asteroid          SPK-ID: 2129200
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0173671422697276 4.9992e-08  
a 3.075714167029478 2.9098e-08 au
q 3.02229780150966 1.5795e-07 au
i 3.228121591986695 4.9462e-06 deg
node 157.837310008555 9.8297e-05 deg
peri 217.0142915805528 0.00018187 deg
M 209.6148006432825 0.00015573 deg
tp 2459823.538178747842
(2022-Sep-01.03817875)
0.00085687 TDB
period 1970.232081459074
5.39
2.7959e-05
7.655e-08
d
yr
n .1827195909496097 2.5929e-09 deg/d
Q 3.129130532549296 2.9603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-11-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:42:19  

Additional Information
 Earth MOID = 2.02122 au 
 Jupiter MOID = 1.93267 au 
 T_jup = 3.227 
[ 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 15.5   n/a MPO432771  

129200 (2005 NC9)          Discovered 2005-Jul-01 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 NC9 = 2001 XN133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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