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52163 (1004 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2052163
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 .04560410186212405 3.5744e-08  
a 2.576498814391648 1.2053e-08 au
q 2.45899990001249 9.3569e-08 au
i 6.905419314455029 4.3528e-06 deg
node 356.8243953713074 3.3963e-05 deg
peri 20.12447516130712 6.237e-05 deg
M 89.72687214677772 5.2675e-05 deg
tp 2458624.001391734113
(2019-May-20.50139173)
0.00022057 TDB
period 1510.578667603616
4.14
1.0599e-05
2.902e-08
d
yr
n .2383192664643574 1.6722e-09 deg/d
Q 2.693997728770807 1.2602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      16936 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:23:04  

Additional Information
 Earth MOID = 1.46006 au 
 Jupiter MOID = 2.49861 au 
 T_jup = 3.415 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456956.5 (2014-Oct-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0456430517728516 3.6096e-08  
q 2.458730917489778 9.4573e-08 au
tp 2457104.247227256492
(2015-Mar-22.74722726)
0.00021717 TDB
node 356.8793734441175 3.3908e-05 deg
peri 17.88510992195548 6.2058e-05 deg
i 6.9127466545893 4.3568e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      16936 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:23:04  

Additional Information
 Jupiter MOID = 2.49861 au 
 T_jup = 3.415 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.302950072663262E-15 -3.38844740660162E-15 -1.755159226739612E-12 -6.163734143530144E-15 -3.774502144704805E-13 -1.861806317094066E-15
q -3.38844740660162E-15 8.944074885510983E-15 4.875661942608516E-12 1.581578558710599E-14 1.053783976221268E-12 5.177012008001215E-15
tp -1.755159226739612E-12 4.875661942608516E-12 4.716395843401619E-8 9.188582490887108E-11 1.130307204668474E-8 5.590621928325186E-12
node -6.163734143530144E-15 1.581578558710599E-14 9.188582490887108E-11 1.149776149206537E-9 -1.11905535871404E-9 -4.546464429656986E-11
peri -3.774502144704805E-13 1.053783976221268E-12 1.130307204668474E-8 -1.11905535871404E-9 3.851231853727547E-9 4.643601098640431E-11
i -1.861806317094066E-15 5.177012008001215E-15 5.590621928325186E-12 -4.546464429656986E-11 4.643601098640431E-11 1.89819222858312E-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 MPO452879  
diameter diameter 4.712 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52163 (1004 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1004 T-2 = 1996 EZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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