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 ]  
146391 (2001 QB102)
Classification: Main-belt Asteroid          SPK-ID: 2146391
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383012640806185 3.6896e-08  
a 2.680136879529984 1.4183e-08 au
q 2.309470561181903 9.7798e-08 au
i 12.70118986840403 6.0742e-06 deg
node 9.642156938328228 1.9529e-05 deg
peri 69.36503929920295 3.5774e-05 deg
M 94.29579749863873 2.6376e-05 deg
tp 2458780.718083283283
(2019-Oct-24.21808328)		 0.00011732 TDB
period 1602.632291435889
4.39		 1.2722e-05
3.483e-08		 d
yr
n .2246304420070405 1.7831e-09 deg/d
Q 3.050803197878066 1.6145e-08 au
   Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      6875 days (18.82 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:12  

Additional Information
 Earth MOID = 1.35814 au 
 Jupiter MOID = 2.29748 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456789.5 (2014-May-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136279543462397 3.6894e-08  
q 2.315854893814681 9.7618e-08 au
tp 2457178.411085816500
(2015-Jun-04.91108582)		 0.00012054 TDB
node 9.679125107410767 1.9531e-05 deg
peri 69.59402919979041 3.6208e-05 deg
i 12.69894069204306 6.073e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      6875 days (18.82 yr)  
   first obs. used      2001-08-18  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:12  

Additional Information
 Jupiter MOID = 2.29748 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.361178240747055E-15 -3.573662932912396E-15 3.775864111503889E-14 3.54728530403274E-15 2.035729850488319E-14 -6.19547053056116E-15
q -3.573662932912396E-15 9.529218041021244E-15 -2.653559523551302E-13 -9.250786436940809E-15 -1.064191630752204E-13 1.644674698244042E-14
tp 3.775864111503889E-14 -2.653559523551302E-13 1.452939417607752E-8 2.506862787539441E-11 3.687336176362434E-9 -1.133726791504441E-11
node 3.54728530403274E-15 -9.250786436940809E-15 2.506862787539441E-11 3.814733709727582E-10 -3.652717965140545E-10 -2.161382977965496E-11
peri 2.035729850488319E-14 -1.064191630752204E-13 3.687336176362434E-9 -3.652717965140545E-10 1.311022444142609E-9 1.811044519998604E-11
i -6.19547053056116E-15 1.644674698244042E-14 -1.133726791504441E-11 -2.161382977965496E-11 1.811044519998604E-11 3.68818850245984E-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 14.94   n/a E2021B55  

146391 (2001 QB102)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1964-Mar-10 10:35 00:03 Iris 0.016354569651237 0.0163513602538074 0.0163577839265897 4.5628060781016 4.56280600106415 2438464.941190765 2.75592601627087 500.645749022105 55.2591229259966 -72.4242417388366 42214.8988484913 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 14:28:13 2020-Nov-12 14:28
1975-Mar-06 14:43 < 00:01 Psych 0.0403114166074643 0.0403037596568934 0.0403190739419486 5.65876076555739 5.65876071251736 2442478.113019953 0.501670986985369 430.002561697503 53.7401320436387 -27.6627587738116 53532.2156284308 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 14:28:13 2020-Nov-12 14:28
2188-Jan-08 22:45 00:02 Thisb 0.037476679334259 0.0374493958264076 0.0375039958034197 6.48787571075863 6.4878756827165 2520218.447622348 1.8155656815393 2220.24375809123 62.5063415947254 -52.2201560161772 70891.5558702714 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 14:28:13 2020-Nov-12 14:28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-07 00:18 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin