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 ]  
109355 (2001 QC154)
Classification: Main-belt Asteroid          SPK-ID: 2109355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03685724401195083 5.7085e-08  
a 2.630917441370923 1.6554e-08 au
q 2.533949075259018 1.4971e-07 au
i 6.297785045360159 4.1231e-06 deg
node 51.44115340414217 4.2508e-05 deg
peri 308.704879855808 7.0295e-05 deg
M 139.2570362114745 5.6239e-05 deg
tp 2458397.560267250854
(2018-Oct-06.06026725)
0.00024282 TDB
period 1558.688233606162
4.27
1.4711e-05
4.028e-08
d
yr
n .230963442360188 2.1798e-09 deg/d
Q 2.727885807482828 1.7164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:24:10  

Additional Information
 Earth MOID = 1.53696 au 
 Jupiter MOID = 2.41933 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457079.5 (2015-Feb-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03638855520977457 5.7513e-08  
q 2.534452157666493 1.508e-07 au
tp 2456825.804681620053
(2014-Jun-17.30468162)
0.00024261 TDB
node 51.512393929848 4.256e-05 deg
peri 305.6880443806766 7.0379e-05 deg
i 6.295160267119726 4.1201e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:24:10  

Additional Information
 Jupiter MOID = 2.41933 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.307728836001786E-15 -8.624684225786828E-15 -1.193811501350562E-12 -1.924919239162743E-14 -4.16887516625675E-13 4.47495415078644E-15
q -8.624684225786828E-15 2.273921328093598E-14 3.398151201949082E-12 5.125943325099961E-14 1.156335788724164E-12 -1.128572621257884E-14
tp -1.193811501350562E-12 3.398151201949082E-12 5.885796348529462E-8 1.052727799101866E-11 1.361279832040577E-8 -1.176267401565453E-11
node -1.924919239162743E-14 5.125943325099961E-14 1.052727799101866E-11 1.811387554063184E-9 -1.796806380933087E-9 -2.088326957260536E-11
peri -4.16887516625675E-13 1.156335788724164E-12 1.361279832040577E-8 -1.796806380933087E-9 4.953183980354736E-9 1.783071904740498E-11
i 4.47495415078644E-15 -1.128572621257884E-14 -1.176267401565453E-11 -2.088326957260536E-11 1.783071904740498E-11 1.697534994915652E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO453553  

109355 (2001 QC154)          Discovered 2001-Aug-28 by Hug, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-27 22:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin