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 ]  
357343 (2003 QJ23)
Classification: Main-belt Asteroid          SPK-ID: 2357343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .263970362020583 5.5913e-08  
a 3.17769943956356 3.1153e-08 au
q 2.338880968109363 1.8986e-07 au
i 26.02254654342525 8.4216e-06 deg
node 173.0041388348158 1.5493e-05 deg
peri 116.0025680336249 2.3614e-05 deg
M 310.865509029695 1.7682e-05 deg
tp 2458882.891495472325
(2020-Feb-03.39149547)
0.00010381 TDB
period 2069.03412170235
5.66
3.0426e-05
8.33e-08
d
yr
n .1739942305561403 2.5587e-09 deg/d
Q 4.016517911017757 3.9377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2002-04-11  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:42  

Additional Information
 Earth MOID = 1.43571 au 
 Jupiter MOID = 1.89783 au 
 T_jup = 2.992 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2631256900772149 5.5871e-08  
q 2.341974321190541 1.8968e-07 au
tp 2456815.237958601307
(2014-Jun-06.73795860)
9.1898e-05 TDB
node 173.0145535436167 1.5487e-05 deg
peri 116.1401498181006 2.3673e-05 deg
i 26.02357425010417 8.4228e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2002-04-11  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:42  

Additional Information
 Jupiter MOID = 1.89783 au 
 T_jup = 2.992 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.121533574723788E-15 -1.053695516576525E-14 -1.000338587042098E-12 1.239896305269618E-14 -1.386760610832352E-13 -1.067550195292894E-14
q -1.053695516576525E-14 3.59774246839479E-14 3.745850650919017E-12 -4.313263576135749E-14 5.583700402027727E-13 4.186994144061041E-14
tp -1.000338587042098E-12 3.745850650919017E-12 8.445241715918891E-9 -3.084896747450569E-11 1.698567848653781E-9 3.871927669220042E-11
node 1.239896305269618E-14 -4.313263576135749E-14 -3.084896747450569E-11 2.398426313194665E-10 -2.208704062653045E-10 5.166667927927302E-11
peri -1.386760610832352E-13 5.583700402027727E-13 1.698567848653781E-9 -2.208704062653045E-10 5.604220035847908E-10 -3.901679105102318E-11
i -1.067550195292894E-14 4.186994144061041E-14 3.871927669220042E-11 5.166667927927302E-11 -3.901679105102318E-11 7.094425803630594E-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 15.2   n/a MPO476671  

357343 (2003 QJ23)          Discovered 2003-Aug-20 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 QJ23 = 2002 JM108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 15:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin