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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181887313465715 2.9945e-07  
a 2.530608512479076 2.1456e-08 AU
q 1.978458251606432 7.7071e-07 AU
i 3.24082576678112 1.7589e-05 deg
node 283.431809888451 0.00011449 deg
peri 185.7055052374955 0.00011878 deg
M 22.69340351346552 2.2473e-05 deg
tp 2456707.809973053367
(2014-Feb-19.30997305)
9.147e-05 JED
period 1470.401285597742
4.03
1.87e-05
5.12e-08
d
yr
n .2448311243509653 3.1137e-09 deg/d
Q 3.08275877335172 2.6137e-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 = .994891 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 (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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