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JPL Small-Body Database Browser
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295772 (2008 UG187)
Classification: Main-belt Asteroid          SPK-ID: 2295772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09513124314296133 1.1023e-07  
a 2.550046846196945 3.4748e-08 au
q 2.307457719645442 3.02e-07 au
i 3.614409117738887 8.0603e-06 deg
node 183.4086214634853 0.00013165 deg
peri 179.6500952148854 0.00014157 deg
M 257.6257694858301 5.2669e-05 deg
tp 2459023.469269080469
(2020-Jun-22.96926908)
0.00021475 TDB
period 1487.375642329177
4.07
3.0401e-05
8.323e-08
d
yr
n .2420370414539348 4.9471e-09 deg/d
Q 2.792635972748449 3.8054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6305 days (17.26 yr)  
   first obs. used      2002-04-02  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:37  

Additional Information
 Earth MOID = 1.3039 au 
 Jupiter MOID = 2.62633 au 
 T_jup = 3.431 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456820.5 (2014-Jun-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09639991250099847 1.1114e-07  
q 2.302063218962568 3.0479e-07 au
tp 2457539.468121694822
(2016-May-30.96812169)
0.00022114 TDB
node 183.4494966269672 0.00013154 deg
peri 180.2509864188081 0.00014105 deg
i 3.616499091150664 8.0673e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6305 days (17.26 yr)  
   first obs. used      2002-04-02  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:37  

Additional Information
 Jupiter MOID = 2.62633 au 
 T_jup = 3.431 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.235264743057219E-14 -3.376724279506365E-14 1.600190930767481E-11 2.144471507440307E-13 3.463772128912227E-12 -7.418911738783686E-15
q -3.376724279506365E-14 9.289397008584557E-14 -4.391404600732693E-11 -5.813708346364409E-13 -9.580176378700053E-12 2.200058821691752E-14
tp 1.600190930767481E-11 -4.391404600732693E-11 4.89032107989204E-8 3.954608976024532E-10 1.131734205551868E-8 -1.344991986973559E-11
node 2.144471507440307E-13 -5.813708346364409E-13 3.954608976024532E-10 1.730323094833132E-8 -1.717606421131841E-8 4.160647694475917E-10
peri 3.463772128912227E-12 -9.580176378700053E-12 1.131734205551868E-8 -1.717606421131841E-8 1.989404009473401E-8 -4.185976971304866E-10
i -7.418911738783686E-15 2.200058821691752E-14 -1.344991986973559E-11 4.160647694475917E-10 -4.185976971304866E-10 6.508200096001689E-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 16.7   n/a MPO440402  

295772 (2008 UG187)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 UG187 = 2004 XR23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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