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216766 (2005 UK69)
Classification: Main-belt Asteroid          SPK-ID: 2216766
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960596652823593 4.9136e-08  
a 3.127087550760505 3.2078e-08 au
q 2.513991812249767 1.7077e-07 au
i 9.348657845666915 9.9503e-06 deg
node 232.0363072870243 2.7856e-05 deg
peri 72.07768398097517 3.9757e-05 deg
M 339.1081784185159 2.7507e-05 deg
tp 2459317.714757998026
(2021-Apr-13.21475800)
0.00015486 TDB
period 2019.800557586992
5.53
3.1079e-05
8.509e-08
d
yr
n .1782354196545443 2.7425e-09 deg/d
Q 3.740183289271243 3.8367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      7668 days (20.99 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53859  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:11  

Additional Information
 Earth MOID = 1.51672 au 
 Jupiter MOID = 1.59849 au 
 T_jup = 3.164 
[ 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 15.11   n/a E2021B55  
diameter diameter 5.461 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216766 (2005 UK69)          Discovered 2005-Oct-23 by NEAT at Palomar
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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