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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512662204324728 5.2526e-08  
a 3.237407822297177 4.2178e-08 AU
q 2.74769737701976 1.7381e-07 AU
i 1.994728395349058 5.4754e-06 deg
node 139.5148080128294 0.00019167 deg
peri 174.1048370894213 0.00019308 deg
M 208.3928913775588 2.3723e-05 deg
tp 2457896.507425620318
(2017-May-23.00742562)
0.00014694 JED
period 2127.622353293586
5.83
4.1579e-05
1.138e-07
d
yr
n .1692029600284635 3.3067e-09 deg/d
Q 3.727118267574594 4.8558e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      9327 days (25.54 yr)  
   first obs. used      1988-09-15  
   last obs. used      2014-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55086  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:25:37  

Additional Information
 Earth MOID = 1.73467 AU 
 T_jup = 3.166 
[ 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 13.7 mag n/a PDS3 (MPC 32180)  

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 2014-Nov-24 05:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin