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
JPL Small-Body Database Browser
Search: [ help ]  
153349 (2001 PJ9)
Classification: Apollo [NEO]          SPK-ID: 2153349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6389528940116216 2.1119e-08  
a 1.799342243281185 5.8167e-09 au
q .6496473096193086 3.8984e-08 au
i 10.53785072465943 1.089e-05 deg
node 283.8370921192528 2.5692e-05 deg
peri 291.176659044994 2.5731e-05 deg
M 324.24286841079 5.1542e-06 deg
tp 2459088.064740081629
(2020-Aug-26.56474008)
1.2998e-05 TDB
period 881.5949442348179
2.41
4.2749e-06
1.17e-08
d
yr
n .4083507991444559 1.9801e-09 deg/d
Q 2.949037176943062 9.5333e-09 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      6270 days (17.17 yr)  
   first obs. used      2001-08-05  
   last obs. used      2018-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36836  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-06 06:31:16  

Additional Information
 Earth MOID = .0512593 au 
 Jupiter MOID = 2.15202 au 
 T_jup = 3.781 
[ 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 18.5   n/a MPO294135  

153349 (2001 PJ9)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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-Oct-30 00:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin