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 ]  
434390 (2005 CH81)
Classification: TransNeptunian Object          SPK-ID: 2434390
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3173362057947378 0.00024699  
a 55.14221233302599 0.023165 au
q 37.64359189213572 0.0022373 au
i 5.142725248518236 0.00030653 deg
node 122.8478328979189 0.0011801 deg
peri 15.76811183408826 0.016852 deg
M 11.86481144667924 0.01028 deg
tp 2453671.225016049188
(2005-Oct-27.72501605)
3.427 TDB
period 149563.1854072957
409.48
94.246
0.258
d
yr
n .002407009445670974 1.5168e-06 deg/d
Q 72.64083277391624 0.030516 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2005-02-10  
   last obs. used      2015-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .3762  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:46:08  

Additional Information
 Earth MOID = 36.6579 au 
 Jupiter MOID = 32.2922 au 
 T_jup = 6.244 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.2   n/a MPO201697  

434390 (2005 CH81)          Discovered 2005-Feb-10 by Canada-France Ecliptic Plane Survey at Mauna Kea
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | 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