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 ]  
347593 (2001 PX21)
Classification: Mars-crossing Asteroid          SPK-ID: 2347593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149844314805968 4.4364e-08  
a 2.34207516520824 1.0485e-08 au
q 1.604357950810298 1.0542e-07 au
i 22.31450323975492 8.4082e-06 deg
node 149.9464806253459 1.3293e-05 deg
peri 260.680032722942 2.0322e-05 deg
M 37.14410746847704 1.2695e-05 deg
tp 2458865.421230201807
(2020-Jan-16.92123020)
4.5739e-05 TDB
period 1309.180929131724
3.58
8.791e-06
2.407e-08
d
yr
n .2749810908403313 1.8465e-09 deg/d
Q 3.079792379606182 1.3787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1999-02-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60203  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:34:28  

Additional Information
 Earth MOID = .76212 au 
 Jupiter MOID = 2.75626 au 
 T_jup = 3.400 
[ 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 16.6   n/a MPO450309  

347593 (2001 PX21)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 01:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin