Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
15942 (1997 YZ16)
Classification: Main-belt Asteroid          SPK-ID: 2015942
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165599100161969 3.1855e-08  
a 2.432846754357821 8.3721e-09 au
q 2.149274355586676 8.1559e-08 au
i 5.473595720171618 4.2072e-06 deg
node 149.6538286317564 2.9534e-05 deg
peri 261.8828937830019 3.4931e-05 deg
M 3.959977866849318 1.9034e-05 deg
tp 2458985.253828002988
(2020-May-15.75382800)		 7.3266e-05 TDB
period 1386.023382825465
3.79		 7.1545e-06
1.959e-08		 d
yr
n .2597358778075774 1.3407e-09 deg/d
Q 2.716419153128965 9.3479e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1965  
   data-arc span      12549 days (34.36 yr)  
   first obs. used      1985-09-15  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:31:10  

Additional Information
 Earth MOID = 1.16793 au 
 Jupiter MOID = 2.61353 au 
 T_jup = 3.491 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO449067  
diameter diameter 2.845 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.548   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-31 16:38 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin