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 ]  
193798 (2001 PF8)
Classification: Main-belt Asteroid          SPK-ID: 2193798
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198322519496346 4.2717e-08  
a 2.235141062564527 1.1167e-08 au
q 1.743784969355868 9.8297e-08 au
i 6.808996689668654 7.3999e-06 deg
node 46.86983436680147 3.9943e-05 deg
peri 248.833568115775 4.494e-05 deg
M 126.1924813600923 2.198e-05 deg
tp 2458172.654654189771
(2018-Feb-23.15465419)
7.2667e-05 TDB
period 1220.550724033799
3.34
9.1471e-06
2.504e-08
d
yr
n .2949488234378623 2.2104e-09 deg/d
Q 2.726497155773187 1.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1998-10-17  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69372  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:44  

Additional Information
 Earth MOID = .741563 au 
 Jupiter MOID = 2.49964 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456646.5 (2013-Dec-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2204082509351599 4.2575e-08  
q 1.741858413234535 9.7924e-08 au
tp 2456952.835501526005
(2014-Oct-22.33550153)
6.7705e-05 TDB
node 46.89020683984941 3.9964e-05 deg
peri 248.9402783295333 4.4942e-05 deg
i 6.808744613335432 7.3988e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1998-10-17  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69372  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:44  

Additional Information
 Jupiter MOID = 2.49964 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.812599627747595E-15 -4.154071978089783E-15 -9.559196252851011E-13 1.360328435146833E-14 -2.619064634889006E-13 -1.421411376019917E-15
q -4.154071978089783E-15 9.589109954949382E-15 2.404208207102724E-12 -3.652629064919834E-14 6.597255022814746E-13 4.379104031298578E-15
tp -9.559196252851011E-13 2.404208207102724E-12 4.584032851312799E-9 -7.414085147588985E-11 1.40619211300379E-9 5.625684060455354E-12
node 1.360328435146833E-14 -3.652629064919834E-14 -7.414085147588985E-11 1.597103116810227E-9 -1.605546704162675E-9 -3.471783047287601E-11
peri -2.619064634889006E-13 6.597255022814746E-13 1.40619211300379E-9 -1.605546704162675E-9 2.019738566779194E-9 3.602822502729848E-11
i -1.421411376019917E-15 4.379104031298578E-15 5.625684060455354E-12 -3.471783047287601E-11 3.602822502729848E-11 5.474237209910366E-11

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 17.2   n/a MPO459866  

193798 (2001 PF8)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 PF8 = 1998 UR47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin