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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168947802086663 6.5883e-08  
a 2.432825403021204 1.5225e-08 AU
q 2.14844081224898 1.5906e-07 AU
i 5.474173485461334 6.1906e-06 deg
node 149.7696613975966 6.1701e-05 deg
peri 260.9526183944937 6.8254e-05 deg
M 205.5051071279398 2.6905e-05 deg
tp 2457595.307541975593
(2016-Jul-25.80754198)
0.0001044 JED
period 1386.005136678134
3.79
1.301e-05
3.562e-08
d
yr
n .2597392971160403 2.4382e-09 deg/d
Q 2.717209993793428 1.7004e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1985-09-15  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52036  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:24:56  

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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