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312864 (2011 US145)
Classification: Main-belt Asteroid          SPK-ID: 2312864
[ 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 .1071487923999523 5.8583e-08  
a 2.175429298032457 1.6356e-08 au
q 1.942334675796803 1.3075e-07 au
i 4.165812893046706 9.3102e-06 deg
node 18.83570387335289 6.0055e-05 deg
peri 47.90096641619076 7.2701e-05 deg
M 234.1147902986073 4.2263e-05 deg
tp 2459410.315229509147
(2021-Jul-14.81522951)		 0.00014 TDB
period 1171.968358898167
3.21		 1.3217e-05
3.619e-08		 d
yr
n .3071755284745538 3.4643e-09 deg/d
Q 2.408523920268111 1.8109e-08 au
   Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6413 days (17.56 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:27:25  

Additional Information
 Earth MOID = .958614 au 
 Jupiter MOID = 2.82415 au 
 T_jup = 3.674 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO423176  

312864 (2011 US145)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 US145 = 2001 SZ214 = 2008 YR148 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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