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173687 (2001 OY112)
Classification: Main-belt Asteroid          SPK-ID: 2173687
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04297165125191868 5.0416e-08  
a 2.762050331682988 1.933e-08 au
q 2.64336046808966 1.3281e-07 au
i 5.430018809863067 3.7739e-06 deg
node 278.3089993492605 6.4451e-05 deg
peri 45.54392671561779 9.0751e-05 deg
M 26.48229824271622 6.3111e-05 deg
tp 2458877.161409574164
(2020-Jan-28.66140957)
0.00029374 TDB
period 1676.663110820205
4.59
1.7601e-05
4.819e-08
d
yr
n .2147121849802564 2.254e-09 deg/d
Q 2.880740195276316 2.0161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1999-01-13  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:32  

Additional Information
 Earth MOID = 1.63363 au 
 Jupiter MOID = 2.27443 au 
 T_jup = 3.333 
[ 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 15.6   n/a MPO436862  

173687 (2001 OY112)          Discovered 2001-Jul-26 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 OY112 = 2004 CW108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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