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312767 (2010 US22)
Classification: Main-belt Asteroid          SPK-ID: 2312767
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212708600752848 8.2582e-08  
a 3.11595418385004 3.9233e-08 au
q 2.738079740019364 2.5657e-07 au
i 2.43955749246655 8.4737e-06 deg
node 136.3796237854097 0.00017028 deg
peri 19.99170122258098 0.00017267 deg
M 159.6097355767724 2.6753e-05 deg
tp 2458109.778574183740
(2017-Dec-22.27857418)		 0.00014833 TDB
period 2009.023523127234
5.50		 3.7944e-05
1.039e-07		 d
yr
n .179191530539984 3.3843e-09 deg/d
Q 3.493828627680717 4.3991e-08 au
   Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      8053 days (22.05 yr)  
   first obs. used      1996-03-26  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:57:50  

Additional Information
 Earth MOID = 1.74789 au 
 Jupiter MOID = 1.49174 au 
 T_jup = 3.205 
[ 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 16.6   n/a MPO446477  

312767 (2010 US22)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Alternate Designations
 2010 US22 = 2005 YP224 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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