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JPL Small-Body Database Browser
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452901 (2006 UE221)
Classification: Main-belt Asteroid          SPK-ID: 2452901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130932870379564 9.1689e-08  
a 2.614900837376277 2.9332e-08 au
q 2.057683022661462 2.3006e-07 au
i 2.617556778014161 1.4404e-05 deg
node 287.3530948567771 0.00014575 deg
peri 99.72737616486108 0.00015203 deg
M 74.47033258900987 3.6356e-05 deg
tp 2458681.006478845856
(2019-Jul-16.50647885)
0.00015553 TDB
period 1544.476352083137
4.23
2.5987e-05
7.115e-08
d
yr
n .2330887096551813 3.922e-09 deg/d
Q 3.172118652091092 3.5583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      9659 days (26.44 yr)  
   first obs. used      1993-07-26  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:59:59  

Additional Information
 Earth MOID = 1.0642 au 
 Jupiter MOID = 2.29308 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123633455117353 9.3895e-08  
q 2.059714893773269 2.366e-07 au
tp 2457131.308716812794
(2015-Apr-18.80871681)
0.00015673 TDB
node 287.827560855934 0.00014551 deg
peri 98.37712446524058 0.00015189 deg
i 2.61596849866165 1.4417e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      9659 days (26.44 yr)  
   first obs. used      1993-07-26  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:59:59  

Additional Information
 Jupiter MOID = 2.29308 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.816221587269477E-15 -2.213073732018099E-14 -5.269420619662718E-12 -9.379801504923758E-14 -2.065911160010671E-12 -1.038381146243099E-14
q -2.213073732018099E-14 5.597830758973388E-14 1.368287566850728E-11 2.344566497051028E-13 5.288145984603495E-12 2.667992929210146E-14
tp -5.269420619662718E-12 1.368287566850728E-11 2.456557738450652E-8 6.317904106911978E-11 6.762346428315446E-9 -6.166844200427656E-13
node -9.379801504923758E-14 2.344566497051028E-13 6.317904106911978E-11 2.117371186682633E-8 -2.112554307845525E-8 8.036110373477634E-10
peri -2.065911160010671E-12 5.288145984603495E-12 6.762346428315446E-9 -2.112554307845525E-8 2.306934930910312E-8 -8.02063262059706E-10
i -1.038381146243099E-14 2.667992929210146E-14 -6.166844200427656E-13 8.036110373477634E-10 -8.02063262059706E-10 2.078373574431644E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO495259  

452901 (2006 UE221)          Discovered 2006-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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