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52009 (2002 EU146)
Classification: Main-belt Asteroid          SPK-ID: 2052009
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06433282619585289 4.434e-08  
a 2.862393475062483 1.6083e-08 au
q 2.678247613127145 1.2815e-07 au
i 2.706718351157432 3.7427e-06 deg
node 144.9769827795408 9.8073e-05 deg
peri 265.1547520214552 0.00010366 deg
M 44.42345764907418 3.1451e-05 deg
tp 2458782.225860743822
(2019-Oct-25.72586074)
0.00015487 TDB
period 1768.855786799877
4.84
1.4908e-05
4.082e-08
d
yr
n .2035213965358327 1.7153e-09 deg/d
Q 3.046539336997821 1.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:32:37  

Additional Information
 Earth MOID = 1.69015 au 
 Jupiter MOID = 2.1949 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06156936984711699 4.4131e-08  
q 2.685348903314153 1.2696e-07 au
tp 2457005.456706808537
(2014-Dec-13.95670681)
0.00016723 TDB
node 145.0297666602653 9.7927e-05 deg
peri 263.6029247303403 0.0001041 deg
i 2.707040082999651 3.7477e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:32:37  

Additional Information
 Jupiter MOID = 2.1949 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.947576764624212E-15 -5.563489088991074E-15 -1.110334656907682E-12 3.166038256788065E-15 -2.913842159336668E-13 -1.123050683180497E-15
q -5.563489088991074E-15 1.611863157965999E-14 2.490514244336632E-12 -6.52449740146223E-15 6.882964227374394E-13 3.318039809202624E-15
tp -1.110334656907682E-12 2.490514244336632E-12 2.796726349134094E-8 -1.361375701514979E-11 5.934604572660436E-9 -7.076728083816414E-14
node 3.166038256788065E-15 -6.52449740146223E-15 -1.361375701514979E-11 9.589621823302125E-9 -9.581578419085E-9 8.314012318026902E-12
peri -2.913842159336668E-13 6.882964227374394E-13 5.934604572660436E-9 -9.581578419085E-9 1.083724657866274E-8 -8.287512608331764E-12
i -1.123050683180497E-15 3.318039809202624E-15 -7.076728083816414E-14 8.314012318026902E-12 -8.287512608331764E-12 1.40450258335172E-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 15.2   n/a MPO502504  

52009 (2002 EU146)          Discovered 2002-Mar-14 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 EU146 = 1992 DF4 = 1994 PJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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