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 ]  
249422 (2009 DY129)
Classification: Main-belt Asteroid          SPK-ID: 2249422
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2337226701140486 1.1745e-07  
a 2.98358775489922 4.1415e-08 au
q 2.286255658304595 3.6889e-07 au
i 3.630484878989376 8.2518e-06 deg
node 190.2326009965403 0.00015169 deg
peri 91.44727389242642 0.0001552 deg
M 351.6360209333916 2.4513e-05 deg
tp 2459044.233787197883
(2020-Jul-13.73378720)
0.00012802 TDB
period 1882.377187443395
5.15
3.9194e-05
1.073e-07
d
yr
n .1912475365731267 3.9821e-09 deg/d
Q 3.680919851493846 5.1095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:06:52  

Additional Information
 Earth MOID = 1.27345 au 
 Jupiter MOID = 1.50085 au 
 T_jup = 3.214 
[ 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 16.5   n/a MPO470661  
diameter diameter 1.917 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249422 (2009 DY129)          Discovered 2009-Feb-27 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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-Sep-21 04:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin