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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525081345854787 5.0719e-08  
a 3.231877242089152 3.8174e-08 au
q 2.738989672688874 1.713e-07 au
i 1.99609218707039 5.3988e-06 deg
node 139.5372360594878 0.00017612 deg
peri 174.6052709254171 0.00017758 deg
M 275.6501653008591 2.3914e-05 deg
tp 2457897.735865377600
(2017-May-24.23586538)
0.00014525 JED
period 2122.172641765225
5.81
3.7599e-05
1.029e-07
d
yr
n .1696374710120434 3.0055e-09 deg/d
Q 3.724764811489429 4.3996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      9790 days (26.80 yr)  
   first obs. used      1988-09-15  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:26:35  

Additional Information
 Earth MOID = 1.72316 au 
 Jupiter MOID = 1.55 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 ]
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