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 ]  
249302 Ajoie (2008 UM7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249302
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2996104555306004 7.9043e-08  
a 3.920057401517862 8.0165e-08 au
q 2.745567217742994 3.3105e-07 au
i 5.612496320516645 1.2514e-05 deg
node 138.5214979682074 8.7947e-05 deg
peri 258.497791100027 9.0801e-05 deg
M 139.1458633174179 2.0776e-05 deg
tp 2457504.766687043877
(2016-Apr-26.26668704)
0.00014785 TDB
period 2834.895578349732
7.76
8.6961e-05
2.381e-07
d
yr
n .1269888043670256 3.8954e-09 deg/d
Q 5.09454758529273 1.0418e-07 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2000-10-31  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:22:23  

Additional Information
 Earth MOID = 1.75939 au 
 Jupiter MOID = .523386 au 
 T_jup = 2.976 
[ 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 15.2   n/a MPO427415  
diameter diameter 6.978 km 0.685 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.036   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

249302 Ajoie           Discovered 2008 Oct. 26 by M. Ory at Vicques.
Ajoie is the name of a region in the North of Swiss Jura. The main city in Ajoie is Porrentruy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ 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-16 02:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin