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 ]  
146836 (2002 AR40)
Classification: Main-belt Asteroid          SPK-ID: 2146836
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06628380732802257 3.9259e-08  
a 2.801711235174136 2.0666e-08 au
q 2.616003147473097 1.1715e-07 au
i 4.652396066972194 4.5084e-06 deg
node 143.1411145250247 5.5369e-05 deg
peri 295.0227557123424 6.8107e-05 deg
M 286.7518503314434 3.7791e-05 deg
tp 2458949.019949182164
(2020-Apr-09.51994918)
0.00017965 TDB
period 1712.905817734787
4.69
1.8952e-05
5.189e-08
d
yr
n .2101691735019489 2.3253e-09 deg/d
Q 2.987419322875174 2.2035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      6533 days (17.89 yr)  
   first obs. used      2002-01-09  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:38:42  

Additional Information
 Earth MOID = 1.63568 au 
 Jupiter MOID = 2.16731 au 
 T_jup = 3.317 
[ 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 MPO453934  

146836 (2002 AR40)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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 2019-Dec-14 19:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin