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 ]  
72902 (2001 KE71)
Classification: Main-belt Asteroid          SPK-ID: 2072902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901650828495471 7.2553e-08  
a 2.977913042028628 2.1157e-08 au
q 2.411617961672507 2.2018e-07 au
i 11.06350296570885 5.2711e-06 deg
node 59.29450095982439 2.6489e-05 deg
peri 312.5718871550371 2.8736e-05 deg
M 42.14253843212207 1.0564e-05 deg
tp 2458380.772388259689
(2018-Sep-19.27238826)
5.5081e-05 TDB
period 1877.009386938553
5.14
2.0003e-05
5.477e-08
d
yr
n .1917944590501855 2.044e-09 deg/d
Q 3.544208122384749 2.518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      11767 days (32.22 yr)  
   first obs. used      1987-09-19  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54237  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:21:10  

Additional Information
 Earth MOID = 1.42826 au 
 Jupiter MOID = 1.96724 au 
 T_jup = 3.205 
[ 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 14.4   n/a MPO468673  
diameter diameter 5.001 km 2.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72902 (2001 KE71)          Discovered 2001-May-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KE71 = 1987 SQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-24 14:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin