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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151266210223591 5.0605e-08  
a 3.237407811752784 3.9769e-08 AU
q 2.747697401120691 1.7053e-07 AU
i 1.994729027440163 5.4119e-06 deg
node 139.5147548763353 0.00017676 deg
peri 174.1048951291426 0.00017824 deg
M 208.3928892486613 2.3563e-05 deg
tp 2457896.507433824725
(2017-May-23.00743382)
0.00014657 JED
period 2127.622342898933
5.83
3.9204e-05
1.073e-07
d
yr
n .1692029608551168 3.1178e-09 deg/d
Q 3.727118222384876 4.5785e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      9734 days (26.65 yr)  
   first obs. used      1988-09-15  
   last obs. used      2015-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54795  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:03:56  

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 13.8 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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