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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268719549667791 5.5194e-08  
a 3.033183171641416 1.833e-08 au
q 2.345038975718793 1.7158e-07 au
i 2.569998225466575 4.1695e-06 deg
node 257.5987571620228 0.00013952 deg
peri 79.76178128881713 0.0001398 deg
M 191.6921313316009 9.178e-06 deg
tp 2459902.586748714652
(2022-Nov-19.08674871)
5.1394e-05 TDB
period 1929.507111619964
5.28
1.749e-05
4.789e-08
d
yr
n .186576145706845 1.6912e-09 deg/d
Q 3.72132736756404 2.2488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1991-11-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:08  

Additional Information
 Earth MOID = 1.33752 au 
 Jupiter MOID = 1.69378 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456707.5 (2014-Feb-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212482284532721 5.4767e-08  
q 2.371143520139533 1.6994e-07 au
tp 2456035.404457517016
(2012-Apr-17.90445752)
5.4683e-05 TDB
node 258.0100605880392 0.00013872 deg
peri 79.16650131843237 0.00013905 deg
i 2.573510194388825 4.1717e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      10293 days (28.18 yr)  
   first obs. used      1991-11-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52188  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:08  

Additional Information
 Jupiter MOID = 1.69378 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.999388865030327E-15 -9.274020943845042E-15 9.629501702775495E-13 -6.871824798931009E-15 1.344278920812149E-13 -2.973938189022E-15
q -9.274020943845042E-15 2.888005198576486E-14 -3.238622736123851E-12 2.763702613280287E-14 -4.598044496654709E-13 9.361739156693661E-15
tp 9.629501702775495E-13 -3.238622736123851E-12 2.990266808124178E-9 7.124758752720093E-12 5.823312743983402E-10 -2.315086854264771E-12
node -6.871824798931009E-15 2.763702613280287E-14 7.124758752720093E-12 1.924396976378825E-8 -1.922450763343759E-8 -6.409047349381516E-11
peri 1.344278920812149E-13 -4.598044496654709E-13 5.823312743983402E-10 -1.922450763343759E-8 1.933552504227433E-8 6.369369452817913E-11
i -2.973938189022E-15 9.361739156693661E-15 -2.315086854264771E-12 -6.409047349381516E-11 6.369369452817913E-11 1.740280271988102E-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 14.7   n/a MPO385472  

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 2020-Aug-14 12:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin