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129220 (2005 NK102)
Classification: Main-belt Asteroid          SPK-ID: 2129220
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .308565385811496 7.3016e-08  
a 3.14902660638041 3.0753e-08 au
q 2.177345996651973 2.3829e-07 au
i 24.06508375821867 7.5009e-06 deg
node 263.9610997018455 2.0558e-05 deg
peri 103.6269078423454 2.6044e-05 deg
M 224.1452356648736 1.4409e-05 deg
tp 2459770.756362892798
(2022-Jul-10.25636289)
8.8621e-05 TDB
period 2041.093604618701
5.59
2.99e-05
8.186e-08
d
yr
n .1763760364470163 2.5837e-09 deg/d
Q 4.120707216108848 4.0243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      7120 days (19.49 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:07:22  

Additional Information
 Earth MOID = 1.31393 au 
 Jupiter MOID = 2.01208 au 
 T_jup = 3.004 
[ 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 14.6   n/a MPO436626  
diameter diameter 8.256 km 0.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129220 (2005 NK102)          Discovered 2005-Jul-10 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 NK102 = 1999 NV57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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