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 ]  
344470 (2002 PQ4)
Classification: Main-belt Asteroid          SPK-ID: 2344470
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478634839227871 4.5257e-08  
a 2.790672941512032 2.2196e-08 au
q 2.378034317891011 1.3275e-07 au
i 7.587221597134834 6.6168e-06 deg
node 206.8931145045304 3.8618e-05 deg
peri 60.486256923752 4.9423e-05 deg
M 331.6537218558266 2.6578e-05 deg
tp 2459134.577339162710
(2020-Oct-12.07733916)
0.00012549 TDB
period 1702.792932923266
4.66
2.0315e-05
5.562e-08
d
yr
n .2114173679250423 2.5223e-09 deg/d
Q 3.203311565133053 2.5478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-07-21  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:40  

Additional Information
 Earth MOID = 1.37364 au 
 Jupiter MOID = 1.89842 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457545.5 (2016-Jun-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470015604766855 4.5241e-08  
q 2.381125691647467 1.3259e-07 au
tp 2457429.815719751815
(2016-Feb-11.31571975)
0.00013071 TDB
node 206.9095609342182 3.8611e-05 deg
peri 60.21950699150543 4.9541e-05 deg
i 7.586516000822945 6.6167e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-07-21  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:40  

Additional Information
 Jupiter MOID = 1.89842 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.046768446962753E-15 -5.941112617397007E-15 1.631417946558422E-13 3.48985850920506E-16 8.301190583043499E-14 -4.399896243551845E-15
q -5.941112617397007E-15 1.757894633217454E-14 -1.143212078438662E-12 -1.801933373455182E-15 -3.927677909241699E-13 1.463873815126789E-14
tp 1.631417946558422E-13 -1.143212078438662E-12 1.708411760321828E-8 1.060163258127758E-11 4.07840492840807E-9 -8.912227499949164E-12
node 3.48985850920506E-16 -1.801933373455182E-15 1.060163258127758E-11 1.490842473017062E-9 -1.474426860332547E-9 -4.095119822832443E-11
peri 8.301190583043499E-14 -3.927677909241699E-13 4.07840492840807E-9 -1.474426860332547E-9 2.454359390657177E-9 3.853901763651884E-11
i -4.399896243551845E-15 1.463873815126789E-14 -8.912227499949164E-12 -4.095119822832443E-11 3.853901763651884E-11 4.378071470536154E-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 16.3   n/a MPO427768  

344470 (2002 PQ4)          Discovered 2002-Aug-04 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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-Nov-29 22:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin