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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2180337963588661 1.5196e-07  
a 2.529941018442902 1.5264e-08 AU
q 1.97832837362778 3.8996e-07 AU
i 3.240702857048183 1.5098e-05 deg
node 283.4277505911975 0.00011346 deg
peri 185.6632393746382 0.00011572 deg
M 71.7202084661828 2.2316e-05 deg
tp 2456707.678430590668
(2014-Feb-19.17843059)
8.9643e-05 JED
period 1469.819556325813
4.02
1.3302e-05
3.642e-08
d
yr
n .244928024294296 2.2166e-09 deg/d
Q 3.081553663258024 1.8592e-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 = .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
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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