Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
21365 (1997 JS7)
Classification: Main-belt Asteroid          SPK-ID: 2021365
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205923822173983 6.4132e-08  
a 2.653345478896743 2.07e-08 AU
q 2.333372226750821 1.7101e-07 AU
i 12.97991911962741 7.1004e-06 deg
node 170.8485904557272 2.398e-05 deg
peri 32.04018096547388 3.4684e-05 deg
M 37.78300297362466 2.3584e-05 deg
tp 2456834.815035126031
(2014-Jun-26.31503513)
0.00010356 JED
period 1578.661902450332
4.32
1.8474e-05
5.058e-08
d
yr
n .2280412287401269 2.6686e-09 deg/d
Q 2.973318731042665 2.3197e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      6631 days (18.15 yr)  
   first obs. used      1997-05-03  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5353  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:55  

Additional Information
 Earth MOID = 1.34344 AU 
 T_jup = 3.343 
[ 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 14.1 mag n/a MPO309321  

21365 (1997 JS7)          Discovered 1997-May-03 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 JS7 = 1999 VV179 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-28 02:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin