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392872 (2012 UR108)
Classification: Main-belt Asteroid          SPK-ID: 2392872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09605123555685541 7.6731e-08  
a 2.62493317778024 3.3483e-08 au
q 2.372805102800265 2.1189e-07 au
i 3.579310226015185 6.5549e-06 deg
node 237.3089944650452 0.0001357 deg
peri 316.7108115492944 0.00014163 deg
M 43.9267809710681 4.1613e-05 deg
tp 2458410.959211515631
(2018-Oct-19.45921152)
0.00017891 TDB
period 1553.373189337842
4.25
2.9722e-05
8.137e-08
d
yr
n .2317537102294508 4.4343e-09 deg/d
Q 2.877061252760215 3.6699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-09-30  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:18  

Additional Information
 Earth MOID = 1.37341 au 
 Jupiter MOID = 2.09328 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456980.5 (2014-Nov-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09520988910053139 7.6851e-08  
q 2.373701256950288 2.12e-07 au
tp 2456856.066047184470
(2014-Jul-17.56604718)
0.00017691 TDB
node 237.3323024159105 0.00013574 deg
peri 316.1373261050036 0.00014174 deg
i 3.578712002511994 6.555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-09-30  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:18  

Additional Information
 Jupiter MOID = 2.09328 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.906012307296778E-15 -1.613728343798847E-14 -3.581862660433802E-12 4.762323740339327E-14 -6.727506943822988E-13 -6.408466099480445E-15
q -1.613728343798847E-14 4.49437007902331E-14 9.436131074692782E-12 -1.354410688150523E-13 1.778800358603018E-12 1.863417715370265E-14
tp -3.581862660433802E-12 9.436131074692782E-12 3.129650027593288E-8 5.975119198770053E-12 7.305814856830669E-9 1.535815788005468E-11
node 4.762323740339327E-14 -1.354410688150523E-13 5.975119198770053E-12 1.84252991051581E-8 -1.838588751662215E-8 4.237455038547004E-11
peri -6.727506943822988E-13 1.778800358603018E-12 7.305814856830669E-9 -1.838588751662215E-8 2.009077672593333E-8 -3.882423356603325E-11
i -6.408466099480445E-15 1.863417715370265E-14 1.535815788005468E-11 4.237455038547004E-11 -3.882423356603325E-11 4.296752083119733E-11

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 16.7   n/a MPO437608  

392872 (2012 UR108)          Discovered 2006-Apr-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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