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 ]  
14127 (1998 QA91)
Classification: Main-belt Asteroid          SPK-ID: 2014127
[ 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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995362734864777 3.087e-08  
a 2.602795814650593 8.6574e-09 au
q 2.083443637149013 7.8983e-08 au
i 13.77823944720799 3.9406e-06 deg
node 166.6747772149471 1.4005e-05 deg
peri 154.1558175682915 1.7127e-05 deg
M 89.52146694034913 1.0572e-05 deg
tp 2458619.097736782584
(2019-May-15.59773678)		 4.4397e-05 TDB
period 1533.764128884975
4.20		 7.6524e-06
2.095e-08		 d
yr
n .2347166641990218 1.1711e-09 deg/d
Q 3.122147992152173 1.0385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2217  
   data-arc span      14007 days (38.35 yr)  
   first obs. used      1981-09-28  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:51:37  

Additional Information
 Earth MOID = 1.08028 au 
 Jupiter MOID = 2.28564 au 
 T_jup = 3.345 
[ 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 12.9   n/a MPO350915  
diameter diameter 6.076 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14127 (1998 QA91)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QA91 = 2000 AA193 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 08:17 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin