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243397 (2008 YO172)
Classification: Main-belt Asteroid          SPK-ID: 2243397
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164589473876285 1.4456e-07  
a 3.093159642557858 5.3052e-08 au
q 2.584058124373902 4.7763e-07 au
i 17.570531846445 7.7225e-06 deg
node 86.15058812084294 2.4505e-05 deg
peri 122.613646809875 3.547e-05 deg
M 322.530056355649 2.8541e-05 deg
tp 2459207.315206876939
(2020-Dec-23.81520688)
0.00016075 TDB
period 1987.018587014147
5.44
5.112e-05
1.4e-07
d
yr
n .1811759599798031 4.6611e-09 deg/d
Q 3.602261160741813 6.1783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      5912 days (16.19 yr)  
   first obs. used      2004-02-14  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:07  

Additional Information
 Earth MOID = 1.62175 au 
 Jupiter MOID = 1.59961 au 
 T_jup = 3.132 
[ 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 15.5   n/a MPO470595  

243397 (2008 YO172)          Discovered 2008-Dec-31 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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