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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06446024784103539 4.1351e-08  
a 2.862455985843579 1.4361e-08 au
q 2.677941363562046 1.1685e-07 au
i 2.706928408915206 3.7298e-06 deg
node 144.9745253740311 8.1156e-05 deg
peri 265.1193503131266 8.7332e-05 deg
M 85.14967778344651 3.0534e-05 deg
tp 2458782.104349332174
(2019-Oct-25.60434933)
0.0001503 TDB
period 1768.913731223763
4.84
1.3312e-05
3.645e-08
d
yr
n .2035147297720089 1.5315e-09 deg/d
Q 3.046970608125112 1.5287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      10611 days (29.05 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:16:03  

Additional Information
 Earth MOID = 1.68894 au 
 Jupiter MOID = 2.1945 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457462.5 (2016-Mar-15.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0618295823154022 4.1184e-08  
q 2.686668344494742 1.1577e-07 au
tp 2457008.552114533872
(2014-Dec-17.05211453)
0.00016021 TDB
node 145.0270561911093 8.1026e-05 deg
peri 264.3147196806589 8.7801e-05 deg
i 2.707276797720916 3.7339e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      10611 days (29.05 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:16:03  

Additional Information
 Jupiter MOID = 2.1945 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.696088242134943E-15 -4.736434544645694E-15 -1.851324032921471E-12 3.464598304493033E-15 -4.532009485773995E-13 -8.76919540786398E-16
q -4.736434544645694E-15 1.340304962187733E-14 4.892916632495908E-12 -9.030718146215584E-15 1.21576346024373E-12 2.51251230141334E-15
tp -1.851324032921471E-12 4.892916632495908E-12 2.566771194096412E-8 -1.72467208704862E-11 5.430739947016702E-9 4.674383709792835E-13
node 3.464598304493033E-15 -9.030718146215584E-15 -1.72467208704862E-11 6.565185837739183E-9 -6.561290393201287E-9 1.404378370289902E-11
peri -4.532009485773995E-13 1.21576346024373E-12 5.430739947016702E-9 -6.561290393201287E-9 7.70909176821388E-9 -1.38923255486389E-11
i -8.76919540786398E-16 2.51251230141334E-15 4.674383709792835E-13 1.404378370289902E-11 -1.38923255486389E-11 1.394190511551466E-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 15.35   n/a MPCxxxxx  

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

Alternate Designations
 2002 EU146 = 1992 DF4 = 1994 PJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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