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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
109550 (2001 QA258)
Classification: Main-belt Asteroid          SPK-ID: 2109550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829457323244447 3.5742e-08  
a 2.697623717191363 1.1793e-08 au
q 2.204104970713999 9.5769e-08 au
i 13.24062171824487 4.3243e-06 deg
node 166.4583011027837 1.7521e-05 deg
peri 251.5784821342215 2.2501e-05 deg
M 317.3450964153587 1.1656e-05 deg
tp 2458792.250695376565
(2019-Nov-04.75069538)
5.2215e-05 TDB
period 1618.342664837692
4.43
1.0612e-05
2.905e-08
d
yr
n .2224497986871683 1.4587e-09 deg/d
Q 3.191142463668728 1.395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7555 days (20.68 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:16:21  

Additional Information
 Earth MOID = 1.25511 au 
 Jupiter MOID = 2.33556 au 
 T_jup = 3.307 
[ 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 15.2   n/a MPO410682  
diameter diameter 3.035 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109550 (2001 QA258)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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 2019-Dec-13 22:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin