Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
9025 Polanskey (1988 SM2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2009025
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152606807284394 4.8987e-08  
a 3.231340235370355 3.6103e-08 au
q 2.738215718800883 1.6825e-07 au
i 1.996105354897632 5.2436e-06 deg
node 139.5385351487769 0.00017515 deg
peri 174.6806066589002 0.00017658 deg
M 309.5206323789891 2.34e-05 deg
tp 2457897.997872444896
(2017-May-24.49787244)
0.00014019 JED
period 2121.643735401806
5.81
3.5557e-05
9.735e-08
d
yr
n .169679760080842 2.8437e-09 deg/d
Q 3.724464751939827 4.1613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1988-09-15  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54668  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:09  

Additional Information
 Earth MOID = 1.72385 au 
 Jupiter MOID = 1.55185 au 
 T_jup = 3.167 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO337333  

9025 Polanskey           Discovered 1988 Sept. 16 by S. J. Bus at Cerro Tololo.
Carol A. Polanskey (b. 1960) is a science operations expert at the Jet Propulsion Laboratory. She led the spacecraft operations planning for the Dawn mission team that optimized the science return for the study of Vesta.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 1988 SM2 = 1998 HJ34 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin