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129609 (1997 YO16)
Classification: Main-belt Asteroid          SPK-ID: 2129609
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180335431311172 2.9961e-07  
a 2.529941032826519 2.0542e-08 AU
q 1.978329025526555 7.7003e-07 AU
i 3.240713675595274 1.7588e-05 deg
node 283.4277636231297 0.0001145 deg
peri 185.6632056272894 0.00011883 deg
M 71.72021141953866 2.2657e-05 deg
tp 2456707.678416035419
(2014-Feb-19.17841604)
9.1481e-05 JED
period 1469.819568860486
4.02
1.7901e-05
4.901e-08
d
yr
n .2449280222055412 2.983e-09 deg/d
Q 3.081553040126483 2.5021e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      19491 days (53.36 yr)  
   first obs. used      1960-10-17  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60736  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 16:42:48  

Additional Information
 Earth MOID = .995016 AU 
 T_jup = 3.416 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO280655  

129609 (1997 YO16)          Discovered 1997-Dec-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1997 YO16 = 1989 YW2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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