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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
91168 (1998 QA86)
Classification: Main-belt Asteroid          SPK-ID: 2091168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09265337484400246 7.1228e-08  
a 3.169401977222889 3.2074e-08 au
q 2.875746187795934 2.4177e-07 au
i 15.38538309602367 5.9666e-06 deg
node 279.1526342414658 2.0224e-05 deg
peri 22.61681215633505 3.5653e-05 deg
M 57.23004141809609 2.7337e-05 deg
tp 2459068.868256378773
(2020-Aug-07.36825638)
0.00015786 TDB
period 2060.935564277731
5.64
3.1285e-05
8.565e-08
d
yr
n .1746779502668073 2.6516e-09 deg/d
Q 3.463057766649844 3.5046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8391 days (22.97 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51272  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:41  

Additional Information
 Earth MOID = 1.8651 au 
 Jupiter MOID = 1.73503 au 
 T_jup = 3.140 
[ 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 14.23   n/a E2021B10  

91168 (1998 QA86)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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 2021-Sep-25 15:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin