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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 ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739560515043859 5.0307e-08  
a 3.138364097791042 2.3685e-08 au
q 2.592426671156188 1.5814e-07 au
i 17.35966441304885 6.8398e-06 deg
node 9.344700077808488 1.5328e-05 deg
peri 242.4098326285565 2.365e-05 deg
M 49.7996026129077 1.7344e-05 deg
tp 2458719.583794380719
(2019-Aug-24.08379438)
9.7757e-05 TDB
period 2030.735763275527
5.56
2.2989e-05
6.294e-08
d
yr
n .1772756488118025 2.0068e-09 deg/d
Q 3.684301524425896 2.7805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:27:32  

Additional Information
 Earth MOID = 1.63229 au 
 Jupiter MOID = 1.55896 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723095706243688 5.0414e-08  
q 2.598716590107461 1.5775e-07 au
tp 2456690.381663834591
(2014-Feb-01.88166383)
0.00010224 TDB
node 9.434725554740995 1.5316e-05 deg
peri 242.6842278162845 2.3793e-05 deg
i 17.36174884925683 6.8406e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46904  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:27:32  

Additional Information
 Jupiter MOID = 1.55896 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.541584532314076E-15 -7.892185785090467E-15 -2.154838565541811E-12 1.751459799725459E-14 -3.335119637692449E-13 -6.677416905417825E-15
q -7.892185785090467E-15 2.488426754449858E-14 6.265166092222988E-12 -5.28105015238447E-14 9.753367822505314E-13 2.258516796685139E-14
tp -2.154838565541811E-12 6.265166092222988E-12 1.045202969123561E-8 -1.818140055259693E-11 1.875752931570822E-9 2.406318385810612E-11
node 1.751459799725459E-14 -5.28105015238447E-14 -1.818140055259693E-11 2.345745874466783E-10 -2.259978954429003E-10 7.877779658736794E-12
peri -3.335119637692449E-13 9.753367822505314E-13 1.875752931570822E-9 -2.259978954429003E-10 5.660991972486118E-10 -3.103462575644977E-12
i -6.677416905417825E-15 2.258516796685139E-14 2.406318385810612E-11 7.877779658736794E-12 -3.103462575644977E-12 4.679323408997879E-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

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