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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168947794195836 5.7609e-08  
a 2.432825402887822 1.4424e-08 AU
q 2.148440814050891 1.4108e-07 AU
i 5.474175175771927 5.9972e-06 deg
node 149.7696813307047 5.8998e-05 deg
peri 260.9525983886213 6.5059e-05 deg
M 205.5051073871779 2.64e-05 deg
tp 2457595.307540928607
(2016-Jul-25.80754093)
0.0001028 JED
period 1386.005136564151
3.79
1.2326e-05
3.375e-08
d
yr
n .2597392971374009 2.3099e-09 deg/d
Q 2.717209991724754 1.611e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      10872 days (29.77 yr)  
   first obs. used      1985-09-15  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5158  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:17:29  

Additional Information
 Earth MOID = 1.16649 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 13.9 mag n/a MPO302163  

15942 (1997 YZ16)          Discovered 1997-Dec-23 by Ueda, S., Kaneda, H. at Kushiro
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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