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295800 (2008 UR286)
Classification: Main-belt Asteroid          SPK-ID: 2295800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07197990041178791 6.4315e-08  
a 2.710531786478856 3.0038e-08 au
q 2.515427978425122 1.8069e-07 au
i 3.535951675562831 8.1106e-06 deg
node 146.3525553203036 0.00011145 deg
peri 282.2785692608228 0.00012623 deg
M 190.251564632666 5.9386e-05 deg
tp 2459769.070061153877
(2022-Jul-08.57006115)
0.00027224 TDB
period 1629.972149178586
4.46
2.7095e-05
7.418e-08
d
yr
n .2208626694520025 3.6714e-09 deg/d
Q 2.905635594532589 3.22e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6634 days (18.16 yr)  
   first obs. used      2001-02-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:31:36  

Additional Information
 Earth MOID = 1.53246 au 
 Jupiter MOID = 2.2861 au 
 T_jup = 3.357 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456619.5 (2013-Nov-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07327128654329611 6.4017e-08  
q 2.512549385306925 1.8025e-07 au
tp 2456516.956077183357
(2013-Aug-12.45607718)
0.00025828 TDB
node 146.3990754007718 0.00011162 deg
peri 283.684499411163 0.00012592 deg
i 3.532944236044034 8.1045e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6634 days (18.16 yr)  
   first obs. used      2001-02-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:31:36  

Additional Information
 Jupiter MOID = 2.2861 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.098142523227561E-15 -1.139737126374746E-14 -3.489944711962476E-12 -2.208492867181414E-14 -8.97152519269645E-13 -2.289694164385977E-15
q -1.139737126374746E-14 3.249072887951892E-14 9.799468682528247E-12 5.923260776760625E-14 2.514310236973419E-12 6.722248517262767E-15
tp -3.489944711962476E-12 9.799468682528247E-12 6.671097983743312E-8 -1.186274177010481E-11 1.509071693361502E-8 -7.369753692488576E-13
node -2.208492867181414E-14 5.923260776760625E-14 -1.186274177010481E-11 1.245876611424287E-8 -1.243696069083893E-8 1.881153549447363E-10
peri -8.97152519269645E-13 2.514310236973419E-12 1.509071693361502E-8 -1.243696069083893E-8 1.585497182660365E-8 -1.878693837163451E-10
i -2.289694164385977E-15 6.722248517262767E-15 -7.369753692488576E-13 1.881153549447363E-10 -1.878693837163451E-10 6.568236716045274E-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 16.9   n/a MPO471118  

295800 (2008 UR286)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 UR286 = 2006 GJ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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