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JPL Small-Body Database Browser
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215547 (2002 XE56)
Classification: Main-belt Asteroid          SPK-ID: 2215547
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330548569598345 6.3314e-08  
a 2.584478203265316 2.0722e-08 au
q 1.982153005287507 1.7426e-07 au
i 14.7196553973326 5.4459e-06 deg
node 110.4814127091738 2.0053e-05 deg
peri 256.6086368771342 2.3242e-05 deg
M 26.6970911309204 1.408e-05 deg
tp 2458487.956820405100
(2019-Jan-04.45682041)
5.8395e-05 TDB
period 1517.601466597201
4.15
1.8252e-05
4.997e-08
d
yr
n .237216428636696 2.853e-09 deg/d
Q 3.186803401243124 2.5552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      5755 days (15.76 yr)  
   first obs. used      2002-12-08  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61052  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:35:25  

Additional Information
 Earth MOID = 1.03756 au 
 Jupiter MOID = 2.43266 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2331960618447937 6.3841e-08  
q 1.98135928717381 1.7596e-07 au
tp 2456966.527014690025
(2014-Nov-05.02701469)
4.6891e-05 TDB
node 110.7252179663517 2.0017e-05 deg
peri 255.7000672208323 2.3178e-05 deg
i 14.73107261918133 5.4549e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      5755 days (15.76 yr)  
   first obs. used      2002-12-08  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61052  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:35:25  

Additional Information
 Jupiter MOID = 2.43266 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.075670505451264E-15 -1.120592160592325E-14 -1.697750501727653E-12 -2.319002749464229E-14 -4.021492131103939E-13 -3.088593069001478E-14
q -1.120592160592325E-14 3.096021283058168E-14 4.771852704598368E-12 6.320470330334618E-14 1.132807939376287E-12 8.638630952494171E-14
tp -1.697750501727653E-12 4.771852704598368E-12 2.198769314643046E-9 1.210075099016348E-11 5.740824939460528E-10 1.57980878294107E-11
node -2.319002749464229E-14 6.320470330334618E-14 1.210075099016348E-11 4.006921113914122E-10 -3.84246443389896E-10 3.842938602554125E-11
peri -4.021492131103939E-13 1.132807939376287E-12 5.740824939460528E-10 -3.84246443389896E-10 5.372385527100112E-10 -3.333204605680465E-11
i -3.088593069001478E-14 8.638630952494171E-14 1.57980878294107E-11 3.842938602554125E-11 -3.333204605680465E-11 2.975619682421824E-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 16.0   n/a MPO367419  
diameter diameter 1.749 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215547 (2002 XE56)          Discovered 2002-Dec-08 by NEAT at Haleakala
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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