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 ]  
160883 (2001 QW2)
Classification: Main-belt Asteroid          SPK-ID: 2160883
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781055080650185 4.3518e-08  
a 3.185381222089774 2.4092e-08 au
q 2.618047281148705 1.5001e-07 au
i 17.07309785003834 3.9799e-06 deg
node 308.4045674169193 1.8766e-05 deg
peri 130.872062242622 2.622e-05 deg
M .8111152158957122 1.61e-05 deg
tp 2458995.821349566995
(2020-May-26.32134957)
9.2864e-05 TDB
period 2076.541190294015
5.69
2.3559e-05
6.45e-08
d
yr
n .173365210226833 1.9669e-09 deg/d
Q 3.752715163030843 2.8383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1118  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:23:21  

Additional Information
 Earth MOID = 1.66766 au 
 Jupiter MOID = 1.55557 au 
 T_jup = 3.105 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457695.5 (2016-Nov-03.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771438603488629 4.3567e-08  
q 2.62091710722818 1.504e-07 au
tp 2456922.091186055093
(2014-Sep-21.59118605)
9.5265e-05 TDB
node 308.4409072014479 1.8768e-05 deg
peri 131.1180477300748 2.6306e-05 deg
i 17.06875549807733 3.9811e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1118  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:23:21  

Additional Information
 Jupiter MOID = 1.55557 au 
 T_jup = 3.105 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.898122475073054E-15 -6.510352042601926E-15 -2.981652434565615E-13 2.359494177711043E-15 -2.501987890273608E-14 -1.147634556701303E-14
q -6.510352042601926E-15 2.261891278417847E-14 5.372078454689485E-13 -9.561603370300375E-15 1.62552431710141E-14 3.999154495472484E-14
tp -2.981652434565615E-13 5.372078454689485E-13 9.075370985194055E-9 1.507823734978723E-11 1.800808208116584E-9 2.589693378838428E-11
node 2.359494177711043E-15 -9.561603370300375E-15 1.507823734978723E-11 3.522494137740875E-10 -3.33659392397929E-10 2.423372452034198E-11
peri -2.501987890273608E-14 1.62552431710141E-14 1.800808208116584E-9 -3.33659392397929E-10 6.919859534941527E-10 -1.789025188028312E-11
i -1.147634556701303E-14 3.999154495472484E-14 2.589693378838428E-11 2.423372452034198E-11 -1.789025188028312E-11 1.584886468958702E-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 14.0   n/a MPO338317  
diameter diameter 9.142 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160883 (2001 QW2)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ 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-Nov-30 00:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin