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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2393569906085465 5.9737e-08  
a 2.412404037067975 2.0313e-08 au
q 1.834978266623476 1.4946e-07 au
i 2.886824329069474 4.997e-06 deg
node 63.36596398553591 0.00014635 deg
peri 320.9482040941444 0.00014888 deg
M 52.83483385397104 1.6831e-05 deg
tp 2458799.640978792251
(2019-Nov-12.14097879)
6.5118e-05 TDB
period 1368.59042340596
3.75
1.7285e-05
4.732e-08
d
yr
n .2630443658257388 3.3223e-09 deg/d
Q 2.989829807512474 2.5175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   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      .39687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:54:24  

Additional Information
 Earth MOID = .839953 au 
 Jupiter MOID = 2.46486 au 
 T_jup = 3.477 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457769.5 (2017-Jan-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404051290536205 5.9725e-08  
q 1.831865379522624 1.4909e-07 au
tp 2457428.622744531609
(2016-Feb-10.12274453)
7.2909e-05 TDB
node 63.38050655194378 0.00014647 deg
peri 320.4522478809109 0.00014896 deg
i 2.887925273881219 4.9968e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   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      .39687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:54:24  

Additional Information
 Jupiter MOID = 2.46486 au 
 T_jup = 3.477 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.567064553772593E-15 -8.862946538119893E-15 3.970712945346705E-13 -1.381822376710445E-13 4.054276605854707E-13 -6.292620417063368E-15
q -8.862946538119893E-15 2.22275061087436E-14 -1.618733108522464E-12 3.611542685855043E-13 -1.22782721695665E-12 1.495477362529167E-14
tp 3.970712945346705E-13 -1.618733108522464E-12 5.315783952697209E-9 -1.020785876273592E-10 2.006070027443667E-9 6.750195566585613E-12
node -1.381822376710445E-13 3.611542685855043E-13 -1.020785876273592E-10 2.145470882302296E-8 -2.14677962595929E-8 -1.342598893584303E-10
peri 4.054276605854707E-13 -1.22782721695665E-12 2.006070027443667E-9 -2.14677962595929E-8 2.218864338328806E-8 1.363146177626869E-10
i -6.292620417063368E-15 1.495477362529167E-14 6.750195566585613E-12 -1.342598893584303E-10 1.363146177626869E-10 2.496788155888245E-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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