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 ]  
300312 (2007 PR28)
Classification: Main-belt Asteroid          SPK-ID: 2300312
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431414902024171 6.8439e-08  
a 2.436358335968851 2.3704e-08 au
q 2.087614373091189 1.6188e-07 au
i 5.872729680903224 6.6101e-06 deg
node 221.9014496585396 6.3759e-05 deg
peri 288.2695954425584 6.7571e-05 deg
M 231.6739562457176 2.3953e-05 deg
tp 2459095.633689773234
(2020-Sep-03.13368977)
9.5842e-05 TDB
period 1389.025353728445
3.80
2.0271e-05
5.55e-08
d
yr
n .2591745348878492 3.7823e-09 deg/d
Q 2.785102298846514 2.7097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      1998-03-29  
   last obs. used      2018-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:23:43  

Additional Information
 Earth MOID = 1.10754 au 
 Jupiter MOID = 2.24685 au 
 T_jup = 3.483 
[ 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 16.5   n/a MPO455217  

300312 (2007 PR28)          Discovered 2007-Aug-15 by Ries, W. at Altschwendt
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13
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