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 ]  
108990 (2001 PP55)
Classification: Main-belt Asteroid          SPK-ID: 2108990
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03761143737804406 9.0833e-08  
a 2.992784621179434 2.9541e-08 au
q 2.880221689813971 2.7441e-07 au
i 12.47719711649941 8.6738e-06 deg
node 140.6499641462791 3.3841e-05 deg
peri 231.9890316808346 8.3387e-05 deg
M 176.5414106910554 7.9036e-05 deg
tp 2458073.124295600445
(2017-Nov-15.62429560)
0.00041125 TDB
period 1891.087492033702
5.18
2.7999e-05
7.666e-08
d
yr
n .1903666549096842 2.8186e-09 deg/d
Q 3.105347552544898 3.0652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      6766 days (18.52 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:17:23  

Additional Information
 Earth MOID = 1.89095 au 
 Jupiter MOID = 2.10397 au 
 T_jup = 3.219 
[ 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 15.3   n/a MPO432613  

108990 (2001 PP55)          Discovered 2001-Aug-14 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 PP55 = 2004 BZ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-27 22:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin