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 ]  
108906 (2001 PL9)
Classification: Apollo [NEO]          SPK-ID: 2108906
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 131 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3605032365237814 1.0542e-07  
a 1.235444816222734 3.6266e-09 au
q .79006296142791 1.315e-07 au
i 20.92377664587495 1.0552e-05 deg
node 172.0703020294932 9.8609e-06 deg
peri 343.964690527976 2.1108e-05 deg
M 35.03370201903142 3.5093e-05 deg
tp 2458951.689080939432
(2020-Apr-12.18908094)
4.8794e-05 TDB
period 501.5721961743791
1.37
2.2085e-06
6.047e-09
d
yr
n .7177431339811359 3.1604e-09 deg/d
Q 1.680826671017558 4.934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2001-08-05  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47757  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-21 05:26:54  

Additional Information
 Earth MOID = .192648 au 
 Jupiter MOID = 3.31444 au 
 T_jup = 5.061 
[ 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 17.8   n/a MPO375768  

108906 (2001 PL9)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-Feb-18 13:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin