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 ]  
312281 (2008 AR128)
Classification: Main-belt Asteroid          SPK-ID: 2312281
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260678391650773 3.4402e-07  
a 2.57105598705607 6.3617e-08 au
q 2.246928514395476 9.2747e-07 au
i 8.16067166050318 1.1073e-05 deg
node 275.7895077714654 7.7695e-05 deg
peri 244.8556107761341 0.00010279 deg
M 241.1370990322891 9.192e-05 deg
tp 2459097.675309073538
(2020-Sep-05.17530907)
0.00040105 TDB
period 1505.794573490128
4.12
5.5888e-05
1.53e-07
d
yr
n .2390764360145041 8.8734e-09 deg/d
Q 2.895183459716663 7.1637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5342 days (14.63 yr)  
   first obs. used      2004-02-14  
   last obs. used      2018-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:38  

Additional Information
 Earth MOID = 1.27096 au 
 Jupiter MOID = 2.16823 au 
 T_jup = 3.404 
[ 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 17.0   n/a MPO455301  

312281 (2008 AR128)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 AR128 = 2004 CF106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin