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 ]  
160865 (2001 JK2)
Classification: Main-belt Asteroid          SPK-ID: 2160865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030483778042934 4.274e-08  
a 2.978379295721646 2.4822e-08 au
q 2.671462140811637 1.2263e-07 au
i 10.35087097305808 4.8483e-06 deg
node 114.2671777913958 2.2112e-05 deg
peri 222.519705685676 3.0374e-05 deg
M 170.4803850972507 2.1936e-05 deg
tp 2458111.421004504441
(2017-Dec-23.92100450)
0.00011302 TDB
period 1877.45023098005
5.14
2.347e-05
6.426e-08
d
yr
n .1917494237980817 2.397e-09 deg/d
Q 3.285296450631656 2.7379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      6923 days (18.95 yr)  
   first obs. used      2001-05-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:56  

Additional Information
 Earth MOID = 1.67123 au 
 Jupiter MOID = 2.05455 au 
 T_jup = 3.228 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO417856  

160865 (2001 JK2)          Discovered 2001-May-15 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 00:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin