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72447 Polinska (2001 DP)
Classification: Main-belt Asteroid          SPK-ID: 2072447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06164835273249635 3.9351e-08  
a 3.014544651679253 2.06e-08 au
q 2.82870293966467 1.1854e-07 au
i .879525202422782 4.0644e-06 deg
node 266.7146420489658 0.00029792 deg
peri 38.68705189208045 0.00029995 deg
M 119.2416464578616 3.4854e-05 deg
tp 2458367.277305111702
(2018-Sep-05.77730511)
0.00018513 TDB
period 1911.749602017996
5.23
1.9596e-05
5.365e-08
d
yr
n .1883091800411481 1.9302e-09 deg/d
Q 3.200386363693835 2.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:51:33  

Additional Information
 Earth MOID = 1.81363 au 
 Jupiter MOID = 1.94731 au 
 T_jup = 3.245 
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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 14.9   n/a MPO324936  

72447 Polińska           Discovered 2001 Feb. 16 by P. Pravec and L. Sarounova at Ondrejov.
Magdalena Polińska (b. 1981) is an assistant professor researcher at the Adam Mickiewicz University in Poznań, Poland. She specializes in photometric observations of minor solar system bodies. Her current reseach interests also include stellar spectroscopy and abundance analysis. Citation provided by T. Michałowski.
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 2017-03-12Last Updated: 2017-04-19

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Alternate Designations
 2001 DP = 2000 AF217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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