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 ]  
390968 (2005 QX120)
Classification: Main-belt Asteroid          SPK-ID: 2390968
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067206405549649 6.7685e-08  
a 2.359781688028924 2.0663e-08 au
q 1.871966105909708 1.606e-07 au
i 5.360073848431409 1.2612e-05 deg
node 177.3617322556474 7.1006e-05 deg
peri 242.4960152048417 7.6837e-05 deg
M 327.8755545421235 2.8481e-05 deg
tp 2459118.651517946788
(2020-Sep-26.15151795)
0.00010525 TDB
period 1324.055430516851
3.63
1.7391e-05
4.761e-08
d
yr
n .2718919402486588 3.5712e-09 deg/d
Q 2.847597270148139 2.4935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5531 days (15.14 yr)  
   first obs. used      2003-01-27  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:34:07  

Additional Information
 Earth MOID = .891315 au 
 Jupiter MOID = 2.51036 au 
 T_jup = 3.517 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456648.5 (2013-Dec-22.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076673819914195 6.8477e-08  
q 1.870175809460112 1.6291e-07 au
tp 2456467.810992987911
(2013-Jun-24.31099299)
9.7577e-05 TDB
node 177.5254836900486 7.0916e-05 deg
peri 241.9115641546612 7.6686e-05 deg
i 5.362870794928557 1.2622e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5531 days (15.14 yr)  
   first obs. used      2003-01-27  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:34:07  

Additional Information
 Jupiter MOID = 2.51036 au 
 T_jup = 3.517 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.689120515756057E-15 -1.109891462864928E-14 -3.038308143665329E-12 1.204234362940478E-14 -9.753154944820489E-13 2.575089343823367E-16
q -1.109891462864928E-14 2.653858519224899E-14 7.224154494127951E-12 -3.175455319242937E-14 2.3240526555399E-12 2.477866038921004E-16
tp -3.038308143665329E-12 7.224154494127951E-12 9.521197610442523E-9 -3.637471244472894E-11 2.863029715208415E-9 -5.294493798096642E-13
node 1.204234362940478E-14 -3.175455319242937E-14 -3.637471244472894E-11 5.029076142619666E-9 -5.017095893200926E-9 -4.104899359878229E-11
peri -9.753154944820489E-13 2.3240526555399E-12 2.863029715208415E-9 -5.017095893200926E-9 5.880732227734062E-9 4.057803422455607E-11
i 2.575089343823367E-16 2.477866038921004E-16 -5.294493798096642E-13 -4.104899359878229E-11 4.057803422455607E-11 1.593170493270877E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO440687  

390968 (2005 QX120)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-17 12:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin