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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251837531782271 4.1807e-08  
a 2.438616527327168 2.1758e-08 au
q 2.133341357873898 1.0288e-07 au
i 7.737893393385734 5.9487e-06 deg
node 34.76438011143508 3.2832e-05 deg
peri 236.9941472601495 4.6158e-05 deg
M 165.0812177783292 3.8733e-05 deg
tp 2457962.664247102089
(2017-Jul-28.16424710)
0.00014369 TDB
period 1390.956973382534
3.81
1.8616e-05
5.097e-08
d
yr
n .2588146196388452 3.4639e-09 deg/d
Q 2.743891696780437 2.4482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      10457 days (28.63 yr)  
   first obs. used      1990-05-18  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:50:15  

Additional Information
 Earth MOID = 1.1287 au 
 Jupiter MOID = 2.35506 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456865.5 (2014-Jul-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126191225002507 4.173e-08  
q 2.130279960023072 1.0264e-07 au
tp 2456572.467620949219
(2013-Oct-06.96762095)
0.00013074 TDB
node 34.7926535234209 3.2858e-05 deg
peri 237.0447257069972 4.6028e-05 deg
i 7.736559432147544 5.9469e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      10457 days (28.63 yr)  
   first obs. used      1990-05-18  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:50:15  

Additional Information
 Jupiter MOID = 2.35506 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741423444922646E-15 -4.209746001240347E-15 -1.703578570618117E-13 -5.285480811719316E-15 -8.426077243563118E-14 3.443933764640932E-15
q -4.209746001240347E-15 1.053492382870087E-14 1.910499005450512E-12 9.90105730957691E-15 5.786053300246088E-13 -6.804315477072892E-15
tp -1.703578570618117E-13 1.910499005450512E-12 1.709415532223228E-8 -2.145801223302135E-11 4.227148220566018E-9 6.106900034792352E-12
node -5.285480811719316E-15 9.90105730957691E-15 -2.145801223302135E-11 1.079639133421528E-9 -1.074594108821782E-9 -2.302276734673831E-11
peri -8.426077243563118E-14 5.786053300246088E-13 4.227148220566018E-9 -1.074594108821782E-9 2.118559352265509E-9 2.420846557667305E-11
i 3.443933764640932E-15 -6.804315477072892E-15 6.106900034792352E-12 -2.302276734673831E-11 2.420846557667305E-11 3.536529429761307E-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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