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 ]  
109595 (2001 QJ281)
Classification: Main-belt Asteroid          SPK-ID: 2109595
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2815700280670134 5.9137e-08  
a 3.171973342578546 2.3825e-08 au
q 2.278840719480886 1.8977e-07 au
i 16.16387710964829 6.2691e-06 deg
node 75.43696876513194 2.4477e-05 deg
peri 327.5553755445238 2.7023e-05 deg
M 81.84296510646369 1.1823e-05 deg
tp 2458531.393366218059
(2019-Feb-16.89336622)
6.5088e-05 TDB
period 2063.44415725673
5.65
2.3248e-05
6.365e-08
d
yr
n .1744655888718628 1.9657e-09 deg/d
Q 4.065105965676206 3.0534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      10673 days (29.22 yr)  
   first obs. used      1990-11-15  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:28:52  

Additional Information
 Earth MOID = 1.30559 au 
 Jupiter MOID = 1.40231 au 
 T_jup = 3.080 
[ show covariance matrix ]

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 14.6   n/a MPO469121  
diameter diameter 8.244 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109595 (2001 QJ281)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QJ281 = 1990 VF12 
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-08 02:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin