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187342 (2005 UH142)
Classification: Main-belt Asteroid          SPK-ID: 2187342
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1561732323048008 4.6138e-08  
a 3.063892660777206 3.2834e-08 au
q 2.585394640508673 1.4321e-07 au
i 11.69264368775169 5.1244e-06 deg
node 174.5461175370419 2.6774e-05 deg
peri 213.8303101148984 3.1973e-05 deg
M 310.5325280163777 2.0582e-05 deg
tp 2459469.669570831510
(2021-Sep-12.16957083)
0.00011479 TDB
period 1958.884123519099
5.36
3.1488e-05
8.621e-08
d
yr
n .1837780988051844 2.9542e-09 deg/d
Q 3.542390681045739 3.7962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      2000-12-30  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:02  

Additional Information
 Earth MOID = 1.59663 au 
 Jupiter MOID = 1.94765 au 
 T_jup = 3.183 
[ 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 15.57   n/a E2021B55  
diameter diameter 2.721 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187342 (2005 UH142)          Discovered 2005-Oct-25 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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