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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06433282222345368 4.4716e-08  
a 2.862393476760943 1.6265e-08 au
q 2.678247626086907 1.2952e-07 au
i 2.706718483877047 3.7577e-06 deg
node 144.97699622 9.9436e-05 deg
peri 265.1547380267047 0.00010497 deg
M 44.4234577157605 3.1527e-05 deg
tp 2458782.225860221883
(2019-Oct-25.72586022)
0.00015525 TDB
period 1768.855788374257
4.84
1.5076e-05
4.128e-08
d
yr
n .2035213963546873 1.7347e-09 deg/d
Q 3.046539327434977 1.7311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:19:13  

Additional Information
 Earth MOID = 1.69015 au 
 Jupiter MOID = 2.1949 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456975.5 (2014-Nov-14.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06158499619973926 4.45e-08  
q 2.685344488953245 1.283e-07 au
tp 2457005.314721703681
(2014-Dec-13.81472170)
0.00016765 TDB
node 145.02989403362 9.9288e-05 deg
peri 263.5700213958884 0.00010541 deg
i 2.707040374432881 3.7627e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      10188 days (27.89 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:19:13  

Additional Information
 Jupiter MOID = 2.1949 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.980230571233042E-15 -5.669182812260451E-15 -1.062441780032627E-12 2.508109266117282E-15 -2.798336312737561E-13 -1.164726005305289E-15
q -5.669182812260451E-15 1.646083458304104E-14 2.34489910179299E-12 -4.476866701653263E-15 6.52819601491159E-13 3.453148563516777E-15
tp -1.062441780032627E-12 2.34489910179299E-12 2.810789691947212E-8 -1.195497942985443E-11 5.962224748481933E-9 -1.011169454609646E-13
node 2.508109266117282E-15 -4.476866701653263E-15 -1.195497942985443E-11 9.858073315427517E-9 -9.849374798698097E-9 1.175911772733196E-11
peri -2.798336312737561E-13 6.52819601491159E-13 5.962224748481933E-9 -9.849374798698097E-9 1.111052441804703E-8 -1.173558643009305E-11
i -1.164726005305289E-15 3.453148563516777E-15 -1.011169454609646E-13 1.175911772733196E-11 -1.173558643009305E-11 1.415775229855461E-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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