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181247 (2005 UP66)
Classification: Main-belt Asteroid          SPK-ID: 2181247
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0502951618232752 5.6641e-08  
a 3.149967069613379 3.7027e-08 au
q 2.991538966109186 2.0379e-07 au
i 6.889992769241745 7.2979e-06 deg
node 70.02362946192984 4.4397e-05 deg
peri 254.4187024494645 9.1155e-05 deg
M 312.5209168261724 8.096e-05 deg
tp 2459469.812970778392
(2021-Sep-12.31297078)
0.00046019 TDB
period 2042.008038050435
5.59
3.6005e-05
9.858e-08
d
yr
n .1762970533376071 3.1085e-09 deg/d
Q 3.308395173117572 3.889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      15591 days (42.69 yr)  
   first obs. used      1977-10-17  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:49  

Additional Information
 Earth MOID = 1.98681 au 
 Jupiter MOID = 1.8698 au 
 T_jup = 3.195 
[ 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 15.34   n/a E2021B55  
diameter diameter 5.661 km 0.488 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181247 (2005 UP66)          Discovered 2005-Oct-22 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 UP66 = 2004 NY8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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