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190918 (2001 UD139)
Classification: Main-belt Asteroid          SPK-ID: 2190918
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871230273228868 3.7234e-08  
a 2.383204154790747 1.4062e-08 au
q 1.937251778617821 8.5231e-08 au
i 8.487115482465285 7.0681e-06 deg
node 4.074142110862947 2.771e-05 deg
peri 253.9072633877587 3.453e-05 deg
M 194.0560283803099 2.2129e-05 deg
tp 2459819.940044107291
(2022-Aug-28.44004411)		 8.48e-05 TDB
period 1343.817516852566
3.68		 1.1894e-05
3.256e-08		 d
yr
n .2678935164077762 2.3711e-09 deg/d
Q 2.829156530963673 1.6694e-08 au
   Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      2000-05-07  
   last obs. used      2020-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58484  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:40  

Additional Information
 Earth MOID = .941908 au 
 Jupiter MOID = 2.28579 au 
 T_jup = 3.498 
[ 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 16.0   n/a MPO287786  

190918 (2001 UD139)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 UD139 = 2000 JA25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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