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215272 (2001 PK17)
Classification: Main-belt Asteroid          SPK-ID: 2215272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09091996227370015 5.1764e-08  
a 2.656863594745355 2.0854e-08 au
q 2.41530165694474 1.3134e-07 au
i 9.140151756009747 4.9292e-06 deg
node 102.2763756949393 3.2735e-05 deg
peri 259.9732722046827 4.3324e-05 deg
M 90.32033030588053 2.8095e-05 deg
tp 2458603.641825586016
(2019-Apr-30.14182559)
0.00012309 TDB
period 1581.802704941307
4.33
1.8624e-05
5.099e-08
d
yr
n .2275884336747027 2.6796e-09 deg/d
Q 2.89842553254597 2.275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      6745 days (18.47 yr)  
   first obs. used      2001-08-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:21  

Additional Information
 Earth MOID = 1.43225 au 
 Jupiter MOID = 2.51097 au 
 T_jup = 3.364 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO503086  
diameter diameter 3.219 km 0.899 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215272 (2001 PK17)          Discovered 2001-Aug-09 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2001 PK17 = 2006 WD17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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