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95478 (2002 EK12)
Classification: Main-belt Asteroid          SPK-ID: 2095478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739560629404155 4.4706e-08  
a 3.13836409609655 2.3104e-08 au
q 2.592426633866038 1.3825e-07 au
i 17.3596641145332 6.4952e-06 deg
node 9.344698493639171 1.4796e-05 deg
peri 242.4098339604873 2.3401e-05 deg
M 49.79960361551488 1.6952e-05 deg
tp 2458719.583788952592
(2019-Aug-24.08378895)
9.5696e-05 TDB
period 2030.735761630849
5.56
2.2424e-05
6.139e-08
d
yr
n .1772756489553767 1.9576e-09 deg/d
Q 3.684301558327062 2.7123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:38:19  

Additional Information
 Earth MOID = 1.63229 au 
 Jupiter MOID = 1.55896 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457188.5 (2015-Jun-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723908504737745 4.478e-08  
q 2.598304793569445 1.3791e-07 au
tp 2456690.326167438689
(2014-Feb-01.82616744)
0.00010095 TDB
node 9.432871602058121 1.4785e-05 deg
peri 242.6594886834442 2.3532e-05 deg
i 17.36297809345568 6.4958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:38:19  

Additional Information
 Jupiter MOID = 1.55896 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.005260481645325E-15 -6.118538818277736E-15 -1.767630088811184E-12 1.629559983751898E-14 -2.930622853881014E-13 -3.062116894913803E-15
q -6.118538818277736E-15 1.901853108972504E-14 4.989036065737557E-12 -4.887632794255559E-14 8.421960012010812E-13 1.074163325210063E-14
tp -1.767630088811184E-12 4.989036065737557E-12 1.018992307608218E-8 -3.071985993730815E-11 1.861685641385401E-9 1.438682740593773E-11
node 1.629559983751898E-14 -4.887632794255559E-14 -3.071985993730815E-11 2.186014528038144E-10 -2.132539126849707E-10 -1.267721327262471E-12
peri -2.930622853881014E-13 8.421960012010812E-13 1.861685641385401E-9 -2.132539126849707E-10 5.537340899700624E-10 3.988314388456501E-12
i -3.062116894913803E-15 1.074163325210063E-14 1.438682740593773E-11 -1.267721327262471E-12 3.988314388456501E-12 4.219598232989374E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO348102  

95478 (2002 EK12)          Discovered 2002-Mar-14 by Yeung, W. K. Y. at Desert Eagle
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2002 EK12 = 1998 SA149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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