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(2012 XE55)
Classification: Outer Main-belt Asteroid          SPK-ID: 3620463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456270.5 (2012-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6026403568347102 0.0020331  
a 3.3395891234281 0.018833 au
q 1.327017942404073 0.00069429 au
i 30.50702867834818 0.053447 deg
node 80.08008295067587 0.003713 deg
peri 17.84010656694078 0.014818 deg
M 355.5418447951552 0.040019 deg
tp 2456298.105185308634
(2013-Jan-05.60518531)
0.014948 TDB
period 2229.143278885488
6.10
18.857
0.05163
d
yr
n .1614970214835138 0.0013661 deg/d
Q 5.352160304452128 0.030183 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      15 days  
   first obs. used      2012-12-06  
   last obs. used      2012-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .35824  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:19:34  

Additional Information
 Earth MOID = .358803 au 
 Jupiter MOID = .266293 au 
 T_jup = 2.660 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.133369167045316E-6 1.410968868555895E-6 -2.893326039223463E-5 -7.547073850814714E-6 -2.903610550446378E-5 .0001086517211324034
q 1.410968868555895E-6 4.820344651049429E-7 -9.963594113701843E-6 -2.577632275647108E-6 -9.987375451712434E-6 3.710287903894913E-5
tp -2.893326039223463E-5 -9.963594113701843E-6 .0002234379969797065 5.312482340355405E-5 .0002213040195040849 -.0007633804183004036
node -7.547073850814714E-6 -2.577632275647108E-6 5.312482340355405E-5 1.378620299230495E-5 5.327407986020104E-5 -.0001984419415853229
peri -2.903610550446378E-5 -9.987375451712434E-6 .0002213040195040849 5.327407986020104E-5 .0002195751834862379 -.0007657308132636449
i .0001086517211324034 3.710287903894913E-5 -.0007633804183004036 -.0001984419415853229 -.0007657308132636449 .002856624171652961

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.8   n/a MPO247319  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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