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 ]  
109257 (2001 QR105)
Classification: Main-belt Asteroid          SPK-ID: 2109257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245084064930784 4.5132e-08  
a 2.604559412187549 1.3764e-08 au
q 2.019813928940773 1.1442e-07 au
i 3.378649064660126 5.104e-06 deg
node 202.3347186381966 6.7219e-05 deg
peri 193.4517227310924 6.8313e-05 deg
M 250.0973612326547 1.6938e-05 deg
tp 2459865.211326909642
(2022-Oct-12.71132691)
7.5448e-05 TDB
period 1535.323260478498
4.20
1.217e-05
3.332e-08
d
yr
n .234478307772008 1.8587e-09 deg/d
Q 3.189304895434324 1.6854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:14:48  

Additional Information
 Earth MOID = 1.02623 au 
 Jupiter MOID = 2.24374 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456702.5 (2014-Feb-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217764053983735 4.4917e-08  
q 2.028262581773109 1.1333e-07 au
tp 2456793.651668474337
(2014-May-16.15166847)
5.6637e-05 TDB
node 202.4523649359321 6.7438e-05 deg
peri 193.5152541063369 6.8563e-05 deg
i 3.370095508934683 5.0957e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:14:48  

Additional Information
 Jupiter MOID = 2.24374 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.017535586355501E-15 -5.069877120551233E-15 3.193368051035333E-13 5.349402461782161E-15 4.547591050325861E-15 -9.851320248782931E-16
q -5.069877120551233E-15 1.284271747804154E-14 -3.866707283651858E-13 -1.269166656183704E-14 7.330572672450526E-14 2.356868889592343E-15
tp 3.193368051035333E-13 -3.866707283651858E-13 3.207765118647574E-9 2.25939322654301E-12 7.079684863822606E-10 -1.164882394313586E-12
node 5.349402461782161E-15 -1.269166656183704E-14 2.25939322654301E-12 4.5478546694183E-9 -4.539195866950851E-9 -4.30001824513114E-11
peri 4.547591050325861E-15 7.330572672450526E-14 7.079684863822606E-10 -4.539195866950851E-9 4.700952998539472E-9 4.26820407259661E-11
i -9.851320248782931E-16 2.356868889592343E-15 -1.164882394313586E-12 -4.30001824513114E-11 4.26820407259661E-11 2.596595325307572E-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 16.04   n/a E2021B55  

109257 (2001 QR105)          Discovered 2001-Aug-23 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-Jul-29 19:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin