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 ]  
379631 (2011 DH18)
Classification: Main-belt Asteroid          SPK-ID: 2379631
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351523159135984 5.4607e-08  
a 2.59347598590932 2.9344e-08 au
q 2.242961700147372 1.4533e-07 au
i 11.02948247918109 6.9661e-06 deg
node 170.1738833642215 2.3478e-05 deg
peri 232.9054295697593 3.2927e-05 deg
M 102.5164194227206 2.196e-05 deg
tp 2458166.077108534971
(2018-Feb-16.57710853)
9.2713e-05 TDB
period 1525.533585820393
4.18
2.5891e-05
7.089e-08
d
yr
n .2359830051243356 4.005e-09 deg/d
Q 2.943990271671268 3.3309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2000-07-07  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:59:50  

Additional Information
 Earth MOID = 1.26787 au 
 Jupiter MOID = 2.5333 au 
 T_jup = 3.380 
[ 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 16.6   n/a MPO437556  

379631 (2011 DH18)          Discovered 2011-Feb-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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 2019-Dec-16 10:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin