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JPL Small-Body Database Browser
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305478 (2008 DE62)
Classification: Main-belt Asteroid          SPK-ID: 2305478
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0769981457419293 1.1494e-07  
a 3.1187513839356 4.0154e-08 au
q 2.878613310342483 3.6479e-07 au
i 10.93239571649837 1.2047e-05 deg
node 348.8995251831121 3.5557e-05 deg
peri 39.57065953168338 6.4373e-05 deg
M 142.0064574876523 5.4258e-05 deg
tp 2457806.948433637033
(2017-Feb-22.44843364)		 0.00029826 TDB
period 2011.729388542125
5.51		 3.8851e-05
1.064e-07		 d
yr
n .1789505099693788 3.456e-09 deg/d
Q 3.358889457528717 4.3246e-08 au
   Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:31  

Additional Information
 Earth MOID = 1.88994 au 
 Jupiter MOID = 2.04131 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456799.5 (2014-May-22.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07759813619022665 1.1421e-07  
q 2.876762155875908 3.6259e-07 au
tp 2455799.458822314371
(2011-Aug-25.95882231)		 0.00029115 TDB
node 348.9288203807802 3.5559e-05 deg
peri 40.52182196723439 6.4727e-05 deg
i 10.93238264364814 1.2047e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:29:31  

Additional Information
 Jupiter MOID = 2.04131 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.304505250397536E-14 -4.120087592468669E-14 -1.907487814404174E-11 -3.298419921253651E-14 -3.730837267690263E-12 -4.234975434573483E-15
q -4.120087592468669E-14 1.314725939239164E-13 6.136213559771593E-11 1.101484663613436E-13 1.209127929900537E-11 2.126656169606004E-14
tp -1.907487814404174E-11 6.136213559771593E-11 8.476879923004663E-8 4.147896485234693E-12 1.576192305963806E-8 -1.969740000802568E-11
node -3.298419921253651E-14 1.101484663613436E-13 4.147896485234693E-12 1.264461117987843E-9 -1.237845201551955E-9 1.59573132276406E-10
peri -3.730837267690263E-12 1.209127929900537E-11 1.576192305963806E-8 -1.237845201551955E-9 4.189569677086817E-9 -1.592433713759244E-10
i -4.234975434573483E-15 2.126656169606004E-14 -1.969740000802568E-11 1.59573132276406E-10 -1.592433713759244E-10 1.451297442593022E-10

[ 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 15.3   n/a MPO297581  

305478 (2008 DE62)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 DE62 = 1994 RR9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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