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15942 (1997 YZ16)
Classification: Main-belt Asteroid          SPK-ID: 2015942
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170494081316251 6.6972e-08  
a 2.432488736673462 1.5357e-08 AU
q 2.147767369758989 1.6141e-07 AU
i 5.47422824032807 6.2247e-06 deg
node 149.773587520005 6.2045e-05 deg
peri 260.9569560815498 6.8663e-05 deg
M 153.5414883118061 2.6917e-05 deg
tp 2456209.485781592669
(2012-Oct-08.98578159)
0.00010326 JED
period 1385.717443317755
3.79
1.3123e-05
3.593e-08
d
yr
n .2597932224466119 2.4602e-09 deg/d
Q 2.717210103587936 1.7154e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      10515 days (28.79 yr)  
   first obs. used      1985-09-15  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52146  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:35:34  

Additional Information
 Earth MOID = 1.16501 AU 
 T_jup = 3.491 
[ 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 13.8 mag n/a MPO259456  

15942 (1997 YZ16)          Discovered 1997-Dec-23 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YZ16 = 1985 RA6 = 1989 TK2 = 1991 ER8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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