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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2178026821705038 1.5191e-07  
a 2.53042030284269 1.5159e-08 au
q 1.979287973864854 3.8978e-07 au
i 3.240381592959832 1.5096e-05 deg
node 283.4290810353984 0.00011347 deg
peri 185.6949059444119 0.00011573 deg
M 169.6553622211329 2.2858e-05 deg
tp 2456707.628796283448
(2014-Feb-19.12879628)
8.9805e-05 JED
period 1470.237250814631
4.03
1.3212e-05
3.617e-08
d
yr
n .2448584402282902 2.2004e-09 deg/d
Q 3.081552631820527 1.8461e-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 = .995891 au 
 Jupiter MOID = 2.06106 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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