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JPL Small-Body Database Browser
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117615 (2005 EY94)
Classification: Main-belt Asteroid          SPK-ID: 2117615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252902822363976 3.9858e-08  
a 2.43809017410479 2.0777e-08 au
q 2.132621168073413 9.972e-08 au
i 7.737753133823182 5.5357e-06 deg
node 34.75145474116666 3.2833e-05 deg
peri 237.1313057392392 4.6126e-05 deg
M 268.4778927138905 3.9448e-05 deg
tp 2459354.005832435947
(2021-May-19.50583244)
0.00015572 TDB
period 1390.506659545151
3.81
1.7774e-05
4.866e-08
d
yr
n .2588984364287474 3.3094e-09 deg/d
Q 2.743559180136167 2.338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-05-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:24  

Additional Information
 Earth MOID = 1.12843 au 
 Jupiter MOID = 2.35602 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261975083573396 3.98e-08  
q 2.130056173444308 9.9592e-08 au
tp 2456572.343397571715
(2013-Oct-06.84339757)
0.00013048 TDB
node 34.79181743766686 3.2852e-05 deg
peri 237.0012338443405 4.6006e-05 deg
i 7.736880505238802 5.5342e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-05-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:48:24  

Additional Information
 Jupiter MOID = 2.35602 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.584014061445373E-15 -3.898318486502327E-15 -2.735127206933819E-13 -4.149977830032171E-15 -9.780520982736917E-14 2.802455157466007E-15
q -3.898318486502327E-15 9.918613573182524E-15 2.115462712615252E-12 7.733492876467785E-15 6.055593633979336E-13 -5.242803898919809E-15
tp -2.735127206933819E-13 2.115462712615252E-12 1.702461461653192E-8 -1.995135224234067E-11 4.217085413906339E-9 9.641760793130613E-12
node -4.149977830032171E-15 7.733492876467785E-15 -1.995135224234067E-11 1.07928182310912E-9 -1.073956611146857E-9 -2.391637107283334E-11
peri -9.780520982736917E-14 6.055593633979336E-13 4.217085413906339E-9 -1.073956611146857E-9 2.116581932365463E-9 2.603262634560234E-11
i 2.802455157466007E-15 -5.242803898919809E-15 9.641760793130613E-12 -2.391637107283334E-11 2.603262634560234E-11 3.062788515786538E-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 15.9   n/a MPO417612  

117615 (2005 EY94)          Discovered 2005-Mar-10 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EY94 = 2003 WC149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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