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 ]  
109239 (2001 QP97)
Classification: Main-belt Asteroid          SPK-ID: 2109239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05123876871827054 4.0226e-08  
a 3.08564982636858 2.4102e-08 au
q 2.927544928569709 1.2219e-07 au
i 19.11896451393584 4.9164e-06 deg
node 179.6273791490464 1.2856e-05 deg
peri 215.275303154507 4.7467e-05 deg
M 125.9401787420296 4.6322e-05 deg
tp 2458307.903664075722
(2018-Jul-08.40366408)
0.00025404 TDB
period 1979.786621102597
5.42
2.3196e-05
6.351e-08
d
yr
n .1818377779518008 2.1305e-09 deg/d
Q 3.243754724167451 2.5337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:28  

Additional Information
 Earth MOID = 1.94286 au 
 Jupiter MOID = 2.00827 au 
 T_jup = 3.140 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO338038  
diameter diameter 7.566 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109239 (2001 QP97)          Discovered 2001-Aug-17 by LINEAR at Socorro
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-Aug-06 13:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin