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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176300935037861 1.5191e-07  
a 2.530771468590595 1.5179e-08 au
q 1.97999943724451 3.8984e-07 au
i 3.239847956624656 1.5094e-05 deg
node 283.4264238283116 0.00011349 deg
peri 185.6969816596285 0.00011575 deg
M 218.6183981348731 2.3144e-05 deg
tp 2458178.021582107138
(2018-Feb-28.52158211)
9.7764e-05 JED
period 1470.543315507957
4.03
1.323e-05
3.622e-08
d
yr
n .2448074777556949 2.2025e-09 deg/d
Q 3.08154349993668 1.8483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      19960 days (54.65 yr)  
   first obs. used      1960-10-17  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58881  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 14:52:33  

Additional Information
 Earth MOID = .99522 au 
 Jupiter MOID = 2.05985 au 
 T_jup = 3.415 
[ 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
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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