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312473 (2008 SX245)
Classification: Amor [NEO]          SPK-ID: 2312473
[ 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 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4583107984342076 3.8411e-08  
a 1.992768411866915 2.1108e-08 au
q 1.079461129929721 7.3783e-08 au
i 11.82439980156655 7.3192e-06 deg
node 209.0202662451917 1.6032e-05 deg
peri 292.8868679644602 1.94e-05 deg
M 344.847708933183 2.0749e-05 deg
tp 2459043.747347508299
(2020-Jul-13.24734751)		 5.9883e-05 TDB
period 1027.504357877817
2.81		 1.6326e-05
4.47e-08		 d
yr
n .3503634775267869 5.5668e-09 deg/d
Q 2.906075693804109 3.0783e-08 au
   Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-06-23  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32132  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-27 06:23:26  

Additional Information
 Earth MOID = .186553 au 
 Jupiter MOID = 2.25526 au 
 T_jup = 3.688 
[ 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 18.4   n/a MPO345861  

312473 (2008 SX245)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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