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152321 (2005 US8)
Classification: Main-belt Asteroid          SPK-ID: 2152321
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115087526492163 5.3476e-08  
a 2.404810277634615 1.1456e-08 au
q 2.128046611098716 1.3104e-07 au
i 5.578678175141365 5.616e-06 deg
node 212.9190549532513 3.8052e-05 deg
peri 162.2012936601542 4.1536e-05 deg
M 13.96210083866198 1.5359e-05 deg
tp 2459147.671543088252
(2020-Oct-25.17154309)		 5.8162e-05 TDB
period 1362.133443096645
3.73		 9.7333e-06
2.665e-08		 d
yr
n .2642912864554472 1.8885e-09 deg/d
Q 2.681573944170514 1.2774e-08 au
   Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-07-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:38  

Additional Information
 Earth MOID = 1.12869 au 
 Jupiter MOID = 2.78218 au 
 T_jup = 3.508 
[ show covariance matrix ]

[ 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 16.39   n/a E2021B55  

152321 (2005 US8)          Discovered 2005-Oct-20 by NEAT at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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Alternate Designations
 2005 US8 = 2004 JL50 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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