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
JPL Small-Body Database Browser
Search: [ help ]  
305815 (2009 DT109)
Classification: Main-belt Asteroid          SPK-ID: 2305815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780239089853471 6.8473e-08  
a 2.432655353524271 2.1736e-08 au
q 1.999584538275749 1.5993e-07 au
i 2.958853973296486 6.6621e-06 deg
node 253.0920107733724 9.4627e-05 deg
peri 322.0606453781908 9.5689e-05 deg
M 307.5274479812201 1.3855e-05 deg
tp 2459202.498893167570
(2020-Dec-18.99889317)
5.4301e-05 TDB
period 1385.859820850694
3.79
1.8574e-05
5.085e-08
d
yr
n .2597665323604072 3.4815e-09 deg/d
Q 2.865726168772793 2.5605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9911 days (27.13 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:47  

Additional Information
 Earth MOID = .993752 au 
 Jupiter MOID = 2.11238 au 
 T_jup = 3.483 
[ 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 16.9   n/a MPO418595  

305815 (2009 DT109)          Discovered 2009-Feb-19 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 16:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin