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441696 (2008 YT139)
Classification: Main-belt Asteroid          SPK-ID: 2441696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352278910702874 9.5613e-08  
a 2.449982042049018 2.3309e-08 au
q 1.873677933137752 2.2319e-07 au
i 3.226677416102847 7.1708e-06 deg
node 170.1595766327669 8.5277e-05 deg
peri 185.2190700498813 8.7492e-05 deg
M 78.06818716068049 1.1715e-05 deg
tp 2458696.751338854622
(2019-Aug-01.25133885)
4.5988e-05 TDB
period 1400.692420169464
3.83
1.999e-05
5.473e-08
d
yr
n .2570157407980013 3.6679e-09 deg/d
Q 3.026286150960285 2.8792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6903 days (18.90 yr)  
   first obs. used      2000-12-30  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:34  

Additional Information
 Earth MOID = .869114 au 
 Jupiter MOID = 2.41947 au 
 T_jup = 3.456 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457862.5 (2017-Apr-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2367770792540695 9.6031e-08  
q 1.869005903550453 2.2465e-07 au
tp 2457295.464392502439
(2015-Sep-29.96439250)
5.0969e-05 TDB
node 170.2276352379631 8.5176e-05 deg
peri 184.9874587259811 8.7322e-05 deg
i 3.229115678974242 7.1809e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6903 days (18.90 yr)  
   first obs. used      2000-12-30  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48636  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:34  

Additional Information
 Jupiter MOID = 2.41947 au 
 T_jup = 3.456 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.222039080639472E-15 -2.153441373499946E-14 -1.955662173929841E-12 1.030528683723261E-13 -9.951895236508858E-13 -1.791119038889099E-14
q -2.153441373499946E-14 5.046834905754307E-14 4.360786069312204E-12 -2.367343092408415E-13 2.285383929220263E-12 4.244657512613898E-14
tp -1.955662173929841E-12 4.360786069312204E-12 2.597873911372504E-9 -1.572136732070336E-11 9.775021377623528E-10 -1.939650070450619E-13
node 1.030528683723261E-13 -2.367343092408415E-13 -1.572136732070336E-11 7.254895034372712E-9 -7.249010522928224E-9 2.868883521031355E-10
peri -9.951895236508858E-13 2.285383929220263E-12 9.775021377623528E-10 -7.249010522928224E-9 7.625143580462755E-9 -2.861057477857055E-10
i -1.791119038889099E-14 4.244657512613898E-14 -1.939650070450619E-13 2.868883521031355E-10 -2.861057477857055E-10 5.156557567701279E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO446752  

441696 (2008 YT139)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 YT139 = 2013 DC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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