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 ]  
379776 (2011 HD45)
Classification: Main-belt Asteroid          SPK-ID: 2379776
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515244411564974 8.3894e-08  
a 3.095048411780988 6.8258e-08 au
q 2.626072930833569 2.2773e-07 au
i 21.75432171484706 1.2116e-05 deg
node 53.38723583985173 2.0269e-05 deg
peri 255.8260203729928 5.2135e-05 deg
M 169.0365293337774 5.5597e-05 deg
tp 2458066.648839017392
(2017-Nov-09.14883902)
0.00029566 TDB
period 1988.83885796016
5.45
6.5793e-05
1.801e-07
d
yr
n .1810101399412679 5.988e-09 deg/d
Q 3.564023892728406 7.8601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      7251 days (19.85 yr)  
   first obs. used      2000-03-25  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:48  

Additional Information
 Earth MOID = 1.70812 au 
 Jupiter MOID = 1.8386 au 
 T_jup = 3.097 
[ 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 15.9   n/a MPO460489  

379776 (2011 HD45)          Discovered 2007-Oct-12 by CSS at Catalina
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 2020-May-29 02:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin