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152356 (2005 UO121)
Classification: Main-belt Asteroid          SPK-ID: 2152356
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03518395792817615 3.9574e-08  
a 2.655478651461488 1.8243e-08 au
q 2.562048402309297 1.1148e-07 au
i 1.536148387033199 4.9226e-06 deg
node 8.288687741190733 0.00016642 deg
peri 239.5467912645858 0.00018518 deg
M 328.9337932362989 8.3257e-05 deg
tp 2459336.894976695093
(2021-May-02.39497670)		 0.00036575 TDB
period 1580.566046692457
4.33		 1.6288e-05
4.459e-08		 d
yr
n .2277665022308606 2.3471e-09 deg/d
Q 2.748908900613678 1.8885e-08 au
   Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:47  

Additional Information
 Earth MOID = 1.5469 au 
 Jupiter MOID = 2.23838 au 
 T_jup = 3.387 
[ 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 E2020-QM9  

152356 (2005 UO121)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 UO121 = 2000 PJ31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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