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441617 (2008 UB316)
Classification: Main-belt Asteroid          SPK-ID: 2441617
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393569844286626 5.9738e-08  
a 2.412404032658152 2.0318e-08 au
q 1.834978278177552 1.4947e-07 au
i 2.886822845007167 5.0057e-06 deg
node 63.36599455460785 0.00014638 deg
peri 320.9481709454695 0.00014892 deg
M 52.83483566140035 1.6839e-05 deg
tp 2458799.640972471804
(2019-Nov-12.14097247)
6.5144e-05 TDB
period 1368.590419653329
3.75
1.729e-05
4.734e-08
d
yr
n .2630443665469979 3.3232e-09 deg/d
Q 2.989829787138752 2.5181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4055 days (11.10 yr)  
   first obs. used      2008-09-25  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43316  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:55  

Additional Information
 Earth MOID = .839953 au 
 Jupiter MOID = 2.46486 au 
 T_jup = 3.477 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457767.5 (2017-Jan-14.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404068744472196 5.9726e-08  
q 1.831856905500538 1.491e-07 au
tp 2457428.622283125376
(2016-Feb-10.12228313)
7.2922e-05 TDB
node 63.38056515307814 0.00014651 deg
peri 320.4516269693721 0.00014899 deg
i 2.887924124298853 5.0055e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4055 days (11.10 yr)  
   first obs. used      2008-09-25  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43316  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:55  

Additional Information
 Jupiter MOID = 2.46486 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.567206363767238E-15 -8.86351056879961E-15 3.965244068711481E-13 -1.380301801587602E-13 4.051283680724092E-13 -6.278831568485427E-15
q -8.86351056879961E-15 2.222958502281897E-14 -1.617076795274843E-12 3.608184039388616E-13 -1.227081583116189E-12 1.49243192419016E-14
tp 3.965244068711481E-13 -1.617076795274843E-12 5.317625213702285E-9 -1.021286968156375E-10 2.006554569685563E-9 6.746486189950095E-12
node -1.380301801587602E-13 3.608184039388616E-13 -1.021286968156375E-10 2.146450402337774E-8 -2.147760314483724E-8 -1.333391482754721E-10
peri 4.051283680724092E-13 -1.227081583116189E-12 2.006554569685563E-9 -2.147760314483724E-8 2.219856145507516E-8 1.353929787514242E-10
i -6.278831568485427E-15 1.49243192419016E-14 6.746486189950095E-12 -1.333391482754721E-10 1.353929787514242E-10 2.505482100832495E-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 18.1   n/a MPO503570  

441617 (2008 UB316)          Discovered 2008-Sep-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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