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117542 (2005 EV)
Classification: Main-belt Asteroid          SPK-ID: 2117542
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04148739569846864 3.907e-08  
a 2.61352804281301 1.6491e-08 au
q 2.505099570731783 9.8461e-08 au
i 1.564760374970865 4.1777e-06 deg
node 90.02875905835936 0.00020224 deg
peri 168.0777220742734 0.00021659 deg
M 128.1408142374933 7.5286e-05 deg
tp 2458451.181593000801
(2018-Nov-28.68159300)
0.00032435 TDB
period 1543.260261739853
4.23
1.4607e-05
3.999e-08
d
yr
n .2332723837482475 2.2079e-09 deg/d
Q 2.721956514894238 1.7175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      13014 days (35.63 yr)  
   first obs. used      1984-03-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:52:26  

Additional Information
 Earth MOID = 1.48984 au 
 Jupiter MOID = 2.28066 au 
 T_jup = 3.407 
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Orbital Elements at Epoch 2456855.5 (2014-Jul-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04144841272011238 3.8444e-08  
q 2.50563685470235 9.7145e-08 au
tp 2456916.391368766710
(2014-Sep-15.89136877)
0.00033302 TDB
node 90.03327358215492 0.00020232 deg
peri 170.2611023763671 0.00021696 deg
i 1.56494134585543 4.175e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      13014 days (35.63 yr)  
   first obs. used      1984-03-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:52:26  

Additional Information
 Jupiter MOID = 2.28066 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.477953363348735E-15 -3.687829691552758E-15 -2.731790333083707E-12 -1.440250354977395E-14 -6.454823274415535E-13 -1.718335816390943E-16
q -3.687829691552758E-15 9.437178758402202E-15 5.110605297724998E-12 3.236241484001782E-14 1.207391258515568E-12 5.372367452207006E-16
tp -2.731790333083707E-12 5.110605297724998E-12 1.10902057441188E-7 2.704414175718276E-10 2.612814267117065E-8 -2.610510378337951E-12
node -1.440250354977395E-14 3.236241484001782E-14 2.704414175718276E-10 4.093459001587656E-8 -4.085487037590047E-8 9.675509168849139E-12
peri -6.454823274415535E-13 1.207391258515568E-12 2.612814267117065E-8 -4.085487037590047E-8 4.70704144269536E-8 -1.02965893417125E-11
i -1.718335816390943E-16 5.372367452207006E-16 -2.610510378337951E-12 9.675509168849139E-12 -1.02965893417125E-11 1.74308637942264E-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 16.1   n/a MPO432679  
diameter diameter 3.352 km 0.871 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117542 (2005 EV)          Discovered 2005-Mar-02 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EV = 1994 RS13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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