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 ]  
71244 (2000 AM9)
Classification: Main-belt Asteroid          SPK-ID: 2071244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151739880675224 4.9607e-08  
a 2.619578449068801 1.82e-08 au
q 2.222083927787712 1.3384e-07 au
i 14.49368512938372 6.1477e-06 deg
node 79.76410656154712 2.1511e-05 deg
peri 281.1424830289043 2.9665e-05 deg
M 15.59828114568204 2.4284e-05 deg
tp 2458933.400422855008
(2020-Mar-24.90042285)
0.00010415 TDB
period 1548.622412084419
4.24
1.6139e-05
4.419e-08
d
yr
n .2324646713045087 2.4226e-09 deg/d
Q 3.017072970349889 2.0961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1997-03-10  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:25:32  

Additional Information
 Earth MOID = 1.27414 au 
 Jupiter MOID = 2.56809 au 
 T_jup = 3.344 
[ 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 14.6   n/a MPO439544  
diameter diameter 4.045 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71244 (2000 AM9)          Discovered 2000-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-05 20:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin