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 ]  
441364 (2008 DY81)
Classification: Main-belt Asteroid          SPK-ID: 2441364
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2311635123241516 1.0666e-07  
a 3.181051671031852 7.6924e-08 au
q 2.445708593871518 3.5017e-07 au
i 14.18543474967311 1.6669e-05 deg
node 9.887452541383789 3.9976e-05 deg
peri 224.2982694274435 5.465e-05 deg
M 17.16405001129564 4.2274e-05 deg
tp 2458901.696624330427
(2020-Feb-22.19662433)
0.00024078 TDB
period 2072.30899569963
5.67
7.5169e-05
2.058e-07
d
yr
n .1737192671300743 6.3013e-09 deg/d
Q 3.916394748192186 9.4706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4053 days (11.10 yr)  
   first obs. used      2008-02-28  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67239  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:35:35  

Additional Information
 Earth MOID = 1.45847 au 
 Jupiter MOID = 1.23751 au 
 T_jup = 3.111 
[ 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 16.0   n/a MPO472456  

441364 (2008 DY81)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2008 DY81 = 2010 TX42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 16:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin