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181519 (2006 UR87)
Classification: Main-belt Asteroid          SPK-ID: 2181519
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516311938166866 3.4032e-08  
a 2.359629877592518 1.3223e-08 au
q 2.001836382287642 7.4978e-08 au
i 2.882665507237079 5.8027e-06 deg
node 21.18123017687412 7.6183e-05 deg
peri 247.9006210326411 7.9238e-05 deg
M 96.64004030849928 2.2054e-05 deg
tp 2458845.098825767038
(2019-Dec-27.59882577)
8.087e-05 TDB
period 1323.92766306218
3.62
1.1128e-05
3.047e-08
d
yr
n .2719181795532072 2.2857e-09 deg/d
Q 2.717423372897394 1.5228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      547  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2001-03-19  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:56  

Additional Information
 Earth MOID = .986219 au 
 Jupiter MOID = 2.37232 au 
 T_jup = 3.535 
[ 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 16.66   n/a E2021B55  

181519 (2006 UR87)          Discovered 2006-Oct-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 UR87 = 2002 TZ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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