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JPL Small-Body Database Browser
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(2015 PK57)
Classification: Apollo [NEO]          SPK-ID: 3725760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6184107049652198 8.2036e-08  
a 2.521730044106892 1.7414e-08 au
q .9622651897987743 2.1275e-07 au
i 4.726632136098454 1.3905e-05 deg
node 133.8853126368114 3.4081e-05 deg
peri 247.13289204994 5.8339e-05 deg
M 57.85859677265352 6.4486e-06 deg
tp 2458765.422149067305
(2019-Oct-08.92214907)
2.8015e-05 TDB
period 1462.669872003688
4.00
1.5151e-05
4.148e-08
d
yr
n .2461252582627149 2.5495e-09 deg/d
Q 4.081194898415011 2.8183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      1475 days (4.04 yr)  
   first obs. used      2015-08-10  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-25 07:12:03  

Additional Information
 Earth MOID = .050561 au 
 Jupiter MOID = 1.40201 au 
 T_jup = 3.154 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.4   n/a MPO495956  
diameter diameter 0.075 km 0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.041   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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