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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180335430479856 2.9961e-07  
a 2.529941032759504 2.0536e-08 AU
q 1.97832902568447 7.7003e-07 AU
i 3.240713678518756 1.7587e-05 deg
node 283.4277636604638 0.00011442 deg
peri 185.6632055403956 0.00011875 deg
M 71.72021150242692 2.2651e-05 deg
tp 2456707.678415708635
(2014-Feb-19.17841571)
9.1461e-05 JED
period 1469.819568802084
4.02
1.7896e-05
4.9e-08
d
yr
n .244928022215273 2.9822e-09 deg/d
Q 3.081553039834538 2.5014e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      318  
   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      .60358  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 07:30:02  

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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