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 ]  
392177 (2009 KM19)
Classification: Main-belt Asteroid          SPK-ID: 2392177
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09422869707380696 1.1338e-07  
a 3.149359577679792 1.0959e-07 au
q 2.85259952805811 3.3787e-07 au
i 17.39427895321197 9.9907e-06 deg
node 124.8429468115292 3.4433e-05 deg
peri 212.0029150887614 5.6028e-05 deg
M 186.8915263426259 4.1576e-05 deg
tp 2459582.129557208008
(2022-Jan-02.62955721)
0.00024107 TDB
period 2041.417344446843
5.59
0.00010656
2.917e-07
d
yr
n .1763480657099777 9.2049e-09 deg/d
Q 3.446119627301473 1.1992e-07 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      3581 days (9.80 yr)  
   first obs. used      2009-05-16  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:19:00  

Additional Information
 Earth MOID = 1.85328 au 
 Jupiter MOID = 1.89495 au 
 T_jup = 3.130 
[ 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 15.6   n/a MPO455783  
diameter diameter 5.094 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392177 (2009 KM19)          Discovered 2009-May-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin