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 ]  
305987 (2009 JD3)
Classification: Main-belt Asteroid          SPK-ID: 2305987
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 .02124226081649268 6.3258e-08  
a 3.143189631233883 4.4117e-08 au
q 3.076421177291518 1.9121e-07 au
i 10.98454124601127 5.8637e-06 deg
node 124.4226374136133 3.5334e-05 deg
peri 272.3792807684684 0.00016773 deg
M 118.1298214969977 0.00016036 deg
tp 2457932.600145975454
(2017-Jun-28.10014598)
0.00090853 TDB
period 2035.421237430274
5.57
4.2853e-05
1.173e-07
d
yr
n .176867565975926 3.7237e-09 deg/d
Q 3.209958085176249 4.5055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63736  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:09  

Additional Information
 Earth MOID = 2.10358 au 
 Jupiter MOID = 1.91921 au 
 T_jup = 3.181 
[ 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 15.7   n/a MPO433971  
diameter diameter 4.358 km 1.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305987 (2009 JD3)          Discovered 2009-May-13 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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