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434397 (2005 EK312)
Classification: Main-belt Asteroid          SPK-ID: 2434397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01133060441683523 1.3765e-07  
a 2.880055844587974 4.3097e-08 au
q 2.847423071114553 3.8796e-07 au
i 5.907817877158422 1.6084e-05 deg
node 6.147525162359429 6.0376e-05 deg
peri 160.2436626927538 0.00047513 deg
M 43.82623007804828 0.00047003 deg
tp 2458783.164133118730
(2019-Oct-26.66413312)
0.0023301 TDB
period 1785.253076477743
4.89
4.0071e-05
1.097e-07
d
yr
n .2016520821295939 4.5262e-09 deg/d
Q 2.912688618061395 4.3585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      7386 days (20.22 yr)  
   first obs. used      2000-02-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:20  

Additional Information
 Earth MOID = 1.85087 au 
 Jupiter MOID = 2.0473 au 
 T_jup = 3.287 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458005.5 (2017-Sep-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01201833523174609 1.3557e-07  
q 2.846951072866302 3.8244e-07 au
tp 2458774.880152519904
(2019-Oct-18.38015252)
0.0022683 TDB
node 6.16803455954705 6.0364e-05 deg
peri 158.5545725093925 0.00046237 deg
i 5.907613703416613 1.6084e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      7386 days (20.22 yr)  
   first obs. used      2000-02-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:20  

Additional Information
 Jupiter MOID = 2.0473 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.838053770438433E-14 -5.154587341427797E-14 2.295796602856476E-10 9.038988761608869E-14 4.622946636227114E-11 -2.915549025642598E-14
q -5.154587341427797E-14 1.462607587680839E-13 -6.447633711397574E-10 -2.487891718459407E-13 -1.299676111341292E-10 8.391904469589061E-14
tp 2.295796602856476E-10 -6.447633711397574E-10 5.144985070019798E-6 1.700090817044203E-9 1.039787851160626E-6 -2.177283975329337E-10
node 9.038988761608869E-14 -2.487891718459407E-13 1.700090817044203E-9 3.643836993982624E-9 -3.279875764572167E-9 3.074256093823808E-10
peri 4.622946636227114E-11 -1.299676111341292E-10 1.039787851160626E-6 -3.279875764572167E-9 2.137854038241304E-7 -3.496503141049423E-10
i -2.915549025642598E-14 8.391904469589061E-14 -2.177283975329337E-10 3.074256093823808E-10 -3.496503141049423E-10 2.586797910906114E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO342181  

434397 (2005 EK312)          Discovered 2005-Mar-10 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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