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 ]  
392721 (2012 PD)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06784119129292504 4.6961e-08  
a 1.920383402873139 1.3062e-08 au
q 1.790102305083064 9.0908e-08 au
i 23.93469254082769 6.0016e-06 deg
node 155.5967063521291 1.254e-05 deg
peri 89.11946389754068 4.4235e-05 deg
M 250.596582918599 4.0642e-05 deg
tp 2458895.898801385143
(2020-Feb-16.39880138)
0.00010961 TDB
period 972.0315081157568
2.66
9.9173e-06
2.715e-08
d
yr
n .3703583649236281 3.7787e-09 deg/d
Q 2.050664500663214 1.3948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1998-03-02  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:44:25  

Additional Information
 Earth MOID = .876913 au 
 Jupiter MOID = 3.02916 au 
 T_jup = 3.818 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO413428  

392721 (2012 PD)          Discovered 1998-Mar-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 PD = 2009 HS74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin