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 ]  
305998 (2009 KH17)
Classification: Main-belt Asteroid          SPK-ID: 2305998
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02850661479102311 6.1479e-08  
a 3.187802896350517 5.5789e-08 au
q 3.096929427154545 2.1833e-07 au
i 9.866438992569329 6.5271e-06 deg
node 87.67691751155439 3.9051e-05 deg
peri 167.6965229639109 0.00012656 deg
M 316.1117109511213 0.00012101 deg
tp 2459253.943856273280
(2021-Feb-08.44385627)
0.00070018 TDB
period 2078.909664415636
5.69
5.4574e-05
1.494e-07
d
yr
n .1731676975493752 4.5459e-09 deg/d
Q 3.278676365546489 5.738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6202 days (16.98 yr)  
   first obs. used      2003-05-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:02:16  

Additional Information
 Earth MOID = 2.08221 au 
 Jupiter MOID = 1.76811 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO433971  

305998 (2009 KH17)          Discovered 2009-May-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 KH17 = 2010 JD62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 18:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin