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 ]  
34726 (2001 QA25)
Classification: Main-belt Asteroid          SPK-ID: 2034726
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027611650644763 3.983e-08  
a 3.192143114134676 2.5283e-08 au
q 2.864114768673651 1.2978e-07 au
i 21.7971871411993 7.8021e-06 deg
node 2.804783039017865 1.2054e-05 deg
peri 80.99184622084267 3.8425e-05 deg
M 310.677038208315 3.7058e-05 deg
tp 2458885.909618240739
(2020-Feb-06.40961824)
0.00021563 TDB
period 2083.156786095266
5.70
2.4749e-05
6.776e-08
d
yr
n .1728146447751517 2.0532e-09 deg/d
Q 3.520171459595701 2.7881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2081  
   data-arc span      15819 days (43.31 yr)  
   first obs. used      1976-05-30  
   last obs. used      2019-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:50  

Additional Information
 Earth MOID = 1.97266 au 
 Jupiter MOID = 1.80789 au 
 T_jup = 3.077 
[ 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 12.5   n/a MPO452657  
diameter diameter 18.144 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.47 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34726 (2001 QA25)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QA25 = 1987 FB1 = 1990 UT11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-21 01:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin