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 ]  
172138 (2002 JK64)
Classification: Main-belt Asteroid          SPK-ID: 2172138
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753842629306259 5.5985e-08  
a 2.336002629873849 1.2239e-08 au
q 1.92630453042942 1.3454e-07 au
i 2.991499152291594 4.2574e-06 deg
node 90.09140821991123 0.00013201 deg
peri 140.5543433610895 0.00013334 deg
M 22.10553194072373 2.2371e-05 deg
tp 2458920.423167261921
(2020-Mar-11.92316726)
8.0629e-05 TDB
period 1304.092562124723
3.57
1.0249e-05
2.806e-08
d
yr
n .2760540244271171 2.1695e-09 deg/d
Q 2.745700729318278 1.4386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      6469 days (17.71 yr)  
   first obs. used      2002-05-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:44:26  

Additional Information
 Earth MOID = .916831 au 
 Jupiter MOID = 2.245 au 
 T_jup = 3.545 
[ 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 16.7   n/a MPO422656  

172138 (2002 JK64)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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-Feb-26 01:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin