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
JPL Small-Body Database Browser
Search: [ help ]  
46418 (2002 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2046418
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075646064271632 3.3026e-08  
a 2.242876996494687 6.8728e-09 au
q 1.777335115452729 7.2212e-08 au
i 7.392187972317408 3.8054e-06 deg
node 87.74473322130933 2.961e-05 deg
peri 195.3148626399366 3.1119e-05 deg
M 103.8062290871823 9.4411e-06 deg
tp 2458646.724685155251
(2019-Jun-12.22468516)
3.1904e-05 TDB
period 1226.892783448923
3.36
5.6393e-06
1.544e-08
d
yr
n .2934241727202948 1.3487e-09 deg/d
Q 2.708418877536644 8.2993e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      7939 days (21.74 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:16:51  

Additional Information
 Earth MOID = .76209 au 
 Jupiter MOID = 2.44131 au 
 T_jup = 3.594 
[ 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 15.1   n/a MPO337629  
diameter diameter 3.133 km 0.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.185   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46418 (2002 JS12)          Discovered 2002-May-06 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 22:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin