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 ]  
305721 (2009 CH26)
Classification: Main-belt Asteroid          SPK-ID: 2305721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419432336871352 1.1898e-07  
a 2.788486464094237 5.3594e-08 au
q 2.392679678287895 3.6502e-07 au
i 11.88321568084893 8.6882e-06 deg
node 343.0690719982166 4.0172e-05 deg
peri 313.0169529355493 5.4908e-05 deg
M 291.7208698067455 3.2543e-05 deg
tp 2458923.079464870873
(2020-Mar-14.57946487)
0.00015561 TDB
period 1700.792131136245
4.66
4.9033e-05
1.342e-07
d
yr
n .2116660780641638 6.1023e-09 deg/d
Q 3.184293249900578 6.1202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4695 days (12.85 yr)  
   first obs. used      2006-08-21  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:56  

Additional Information
 Earth MOID = 1.39432 au 
 Jupiter MOID = 2.14714 au 
 T_jup = 3.284 
[ 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 16.6   n/a MPO437357  

305721 (2009 CH26)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 CH26 = 2006 QJ162 = 2010 DQ85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin