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152391 (2005 UU243)
Classification: Outer Main-belt Asteroid          SPK-ID: 2152391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07762071341735086 5.4924e-08  
a 3.255613734767307 3.5325e-08 au
q 3.002910674063342 1.7256e-07 au
i 3.661934278455364 5.6841e-06 deg
node 309.1220888246426 9.0742e-05 deg
peri 254.9353297791354 9.7963e-05 deg
M 71.3081649091887 3.5936e-05 deg
tp 2458775.504340801395
(2019-Oct-19.00434080)
0.00021442 TDB
period 2145.594933011418
5.87
3.4922e-05
9.561e-08
d
yr
n .1677856311371538 2.7309e-09 deg/d
Q 3.508316795471271 3.8067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9709 days (26.58 yr)  
   first obs. used      1993-12-14  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:55  

Additional Information
 Earth MOID = 2.00117 au 
 Jupiter MOID = 1.4877 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456723.5 (2014-Mar-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07616035614487705 5.4909e-08  
q 3.004112901770325 1.7246e-07 au
tp 2456621.593960956120
(2013-Nov-25.09396096)
0.00022248 TDB
node 309.1752480947611 9.0832e-05 deg
peri 252.9013541173249 9.8345e-05 deg
i 3.661233714416688 5.6824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      9709 days (26.58 yr)  
   first obs. used      1993-12-14  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:55  

Additional Information
 Jupiter MOID = 1.4877 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.015004124835904E-15 -9.301290663094127E-15 -2.766666782060569E-13 -6.546917524221012E-15 -4.530759418396941E-14 -4.82318947472927E-16
q -9.301290663094127E-15 2.974144963171317E-14 -3.950597751152152E-13 -1.138299847075465E-14 -3.658217614671245E-14 5.840582515497394E-15
tp -2.766666782060569E-13 -3.950597751152152E-13 4.949784484098434E-8 4.179876907900793E-11 8.427311750325867E-9 -4.847664477982298E-12
node -6.546917524221012E-15 -1.138299847075465E-14 4.179876907900793E-11 8.25049656962462E-9 -8.228136546806862E-9 -1.872421569937237E-11
peri -4.530759418396941E-14 -3.658217614671245E-14 8.427311750325867E-9 -8.228136546806862E-9 9.671659244611696E-9 1.808556141924756E-11
i -4.82318947472927E-16 5.840582515497394E-15 -4.847664477982298E-12 -1.872421569937237E-11 1.808556141924756E-11 3.228991766951241E-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 14.95   n/a E2020-QM9  
diameter diameter 5.352 km 0.708 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152391 (2005 UU243)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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