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 ]  
109028 (2001 QX9)
Classification: Main-belt Asteroid          SPK-ID: 2109028
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2271040990602557 5.3585e-08  
a 3.032504105562803 1.7938e-08 au
q 2.343809992772436 1.6706e-07 au
i 2.570059881977962 4.007e-06 deg
node 257.5891448212816 0.00013635 deg
peri 79.80510392420709 0.00013659 deg
M 228.9756111443038 9.0836e-06 deg
tp 2459902.521099237677
(2022-Nov-19.02109924)
5.0719e-05 TDB
period 1928.859183643325
5.28
1.7115e-05
4.686e-08
d
yr
n .1866388189727848 1.656e-09 deg/d
Q 3.72119821835317 2.2012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      10701 days (29.30 yr)  
   first obs. used      1991-11-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:13:39  

Additional Information
 Earth MOID = 1.33443 au 
 Jupiter MOID = 1.69446 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456912.5 (2014-Sep-12.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232100571425326 5.3296e-08  
q 2.361919972842883 1.6599e-07 au
tp 2456037.439732330474
(2012-Apr-19.93973233)
5.1144e-05 TDB
node 257.8574403735677 0.00013616 deg
peri 79.2870645947186 0.00013643 deg
i 2.56872520136355 4.0027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      10701 days (29.30 yr)  
   first obs. used      1991-11-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:13:39  

Additional Information
 Jupiter MOID = 1.69446 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.840487297876793E-15 -8.817266591226248E-15 9.748358780234285E-13 9.443438291965182E-15 1.2777391462257E-13 -2.785485984843177E-15
q -8.817266591226248E-15 2.755404244457845E-14 -3.206912796115085E-12 -4.137971054744366E-14 -4.043567184862396E-13 9.062287118213036E-15
tp 9.748358780234285E-13 -3.206912796115085E-12 2.615663880334692E-9 2.460960350942455E-11 4.818420610059925E-10 -2.068640376714166E-12
node 9.443438291965182E-15 -4.137971054744366E-14 2.460960350942455E-11 1.854077679381133E-8 -1.852124160120886E-8 -7.397670573924325E-11
peri 1.2777391462257E-13 -4.043567184862396E-13 4.818420610059925E-10 -1.852124160120886E-8 1.861350937104201E-8 7.367492232658561E-11
i -2.785485984843177E-15 9.062287118213036E-15 -2.068640376714166E-12 -7.397670573924325E-11 7.367492232658561E-11 1.602139602377595E-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 14.69   n/a E2021B55  

109028 (2001 QX9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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 2021-Jun-18 01:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin