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 ]  
305769 (2009 DH40)
Classification: Main-belt Asteroid          SPK-ID: 2305769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05753617929628969 5.5047e-08  
a 3.088104210266193 3.7589e-08 au
q 2.91042649273869 1.7724e-07 au
i 17.15600510985377 6.5764e-06 deg
node 156.5395328931767 1.6582e-05 deg
peri 347.7067631611368 5.9749e-05 deg
M 35.83940356911513 5.4375e-05 deg
tp 2458803.169316141415
(2019-Nov-15.66931614)
0.00030015 TDB
period 1982.149230025382
5.43
3.6191e-05
9.909e-08
d
yr
n .1816210376831163 3.3161e-09 deg/d
Q 3.265781927793695 3.9752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      4992 days (13.67 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Earth MOID = 1.92315 au 
 Jupiter MOID = 1.73074 au 
 T_jup = 3.155 
[ 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 15.3   n/a MPO433970  
diameter diameter 4.033 km 1.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305769 (2009 DH40)          Discovered 2009-Feb-23 by Kugel, F. at Chante-Perdrix
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 2020-Aug-07 21:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin