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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04128133415756771 3.8071e-08  
a 2.614104398067775 1.359e-08 au
q 2.506190680888372 9.7465e-08 au
i 1.564710009812294 4.1205e-06 deg
node 90.02936663047633 0.00016414 deg
peri 168.2062775053121 0.00017282 deg
M 174.6600171599774 5.4814e-05 deg
tp 2458451.513799455296
(2018-Nov-29.01379946)
0.00023423 TDB
period 1543.770787272538
4.23
1.2039e-05
3.296e-08
d
yr
n .2331952404903522 1.8185e-09 deg/d
Q 2.722018115247178 1.4151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      13453 days (36.83 yr)  
   first obs. used      1984-03-11  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:07  

Additional Information
 Earth MOID = 1.48922 au 
 Jupiter MOID = 2.27947 au 
 T_jup = 3.406 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457281.5 (2015-Sep-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04169059348403051 3.7773e-08  
q 2.505460678799483 9.6718e-08 au
tp 2456916.080768808047
(2014-Sep-15.58076881)
0.0002327 TDB
node 90.03104736838729 0.00016422 deg
peri 170.1778613534992 0.00017286 deg
i 1.56486510575415 4.1182e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      13453 days (36.83 yr)  
   first obs. used      1984-03-11  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52481  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:17:07  

Additional Information
 Jupiter MOID = 2.27947 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.42683301897024E-15 -3.621530189446453E-15 -1.037453320990085E-12 -2.522612390357231E-15 -2.475225380883305E-13 -1.667194272216758E-16
q -3.621530189446453E-15 9.354319041652603E-15 2.878458151059318E-12 6.50653775692113E-15 6.931291899579298E-13 4.577024122495736E-16
tp -1.037453320990085E-12 2.878458151059318E-12 5.415134057989834E-8 9.18600426103232E-11 1.257982816976418E-8 -1.16716598922256E-12
node -2.522612390357231E-15 6.50653775692113E-15 9.18600426103232E-11 2.696860349745714E-8 -2.693694130250355E-8 -6.679079796324192E-11
peri -2.475225380883305E-13 6.931291899579298E-13 1.257982816976418E-8 -2.693694130250355E-8 2.988027139760227E-8 6.64924915861497E-11
i -1.667194272216758E-16 4.577024122495736E-16 -1.16716598922256E-12 -6.679079796324192E-11 6.64924915861497E-11 1.695951192649807E-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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