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295418 (2008 JU40)
Classification: Main-belt Asteroid          SPK-ID: 2295418
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250948406489021 8.1716e-08  
a 3.019429092195019 4.1854e-08 au
q 2.641714091056224 2.372e-07 au
i 6.670722127046584 7.3772e-06 deg
node 225.6346799127728 7.5904e-05 deg
peri 20.02679871850801 8.8922e-05 deg
M 101.3274428576371 3.9744e-05 deg
tp 2458461.100845220943
(2018-Dec-08.60084522)
0.00021406 TDB
period 1916.397870548105
5.25
3.9847e-05
1.091e-07
d
yr
n .1878524316545171 3.9059e-09 deg/d
Q 3.397144093333814 4.709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7214 days (19.75 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:06  

Additional Information
 Earth MOID = 1.62977 au 
 Jupiter MOID = 1.62223 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457062.5 (2015-Feb-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124452561000409 8.1026e-08  
q 2.645578435299971 2.3516e-07 au
tp 2456548.105270231690
(2013-Sep-12.60527023)
0.00023121 TDB
node 225.6664464272901 7.5871e-05 deg
peri 21.02540901164815 8.9191e-05 deg
i 6.669684997578106 7.3772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7214 days (19.75 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:06  

Additional Information
 Jupiter MOID = 1.62223 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.565262279071055E-15 -1.88397597605065E-14 -4.318043281356776E-12 -1.064760042239269E-15 -1.149572324494917E-12 -4.712654813338229E-15
q -1.88397597605065E-14 5.52990482109945E-14 9.29790993818679E-12 1.712667165297952E-14 2.745801364128109E-12 1.638225383768378E-14
tp -4.318043281356776E-12 9.29790993818679E-12 5.345630602994061E-8 6.071430144968827E-11 1.091535082986116E-8 -3.807451590194449E-11
node -1.064760042239269E-15 1.712667165297952E-14 6.071430144968827E-11 5.756429367466439E-9 -5.702899557920269E-9 4.64389434702038E-11
peri -1.149572324494917E-12 2.745801364128109E-12 1.091535082986116E-8 -5.702899557920269E-9 7.955029006482982E-9 -5.339452501815592E-11
i -4.712654813338229E-15 1.638225383768378E-14 -3.807451590194449E-11 4.64389434702038E-11 -5.339452501815592E-11 5.442316965843353E-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 16.2   n/a MPO433904  

295418 (2008 JU40)          Discovered 2008-May-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 JU40 = 1999 TF44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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