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 ]  
91149 (1998 PS)
Classification: Main-belt Asteroid          SPK-ID: 2091149
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748219985355104 4.4482e-08  
a 3.139176501092422 2.162e-08 au
q 2.590379391415734 1.48e-07 au
i 1.313749288337026 5.0234e-06 deg
node 161.229116916669 0.00017041 deg
peri 230.1338655129086 0.00017104 deg
M 5.64368292261948 1.4466e-05 deg
tp 2459364.652002234372
(2021-May-30.15200223)
8.1547e-05 TDB
period 2031.524334876089
5.56
2.0987e-05
5.746e-08
d
yr
n .1772068361770118 1.8307e-09 deg/d
Q 3.68797361076911 2.54e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      8993 days (24.62 yr)  
   first obs. used      1996-04-13  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54033  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:12  

Additional Information
 Earth MOID = 1.59567 au 
 Jupiter MOID = 1.75445 au 
 T_jup = 3.187 
[ 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 15.41   n/a MPCxxxxx  

91149 (1998 PS)          Discovered 1998-Aug-15 by Comba, P. G. at Prescott
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 PS = 1996 GF9 
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-24 17:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin