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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19953627297432 3.0902e-08  
a 2.602795814812596 8.6714e-09 au
q 2.083443638611733 7.9088e-08 au
i 13.77823949016957 3.9519e-06 deg
node 166.6747771667427 1.401e-05 deg
peri 154.155817653567 1.7133e-05 deg
M 89.52146680893568 1.058e-05 deg
tp 2458619.097737306856
(2019-May-15.59773731)
4.4429e-05 TDB
period 1533.764129028172
4.20
7.6647e-06
2.098e-08
d
yr
n .2347166641771079 1.173e-09 deg/d
Q 3.12214799101346 1.0402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      13980 days (38.28 yr)  
   first obs. used      1981-09-28  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:21:36  

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-Feb-21 04:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin