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226115 (2002 PF157)
Classification: Main-belt Asteroid          SPK-ID: 2226115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283717109674665 5.789e-08  
a 3.196875761665626 5.322e-08 au
q 2.466799774223624 1.8949e-07 au
i 15.07505608933789 7.0981e-06 deg
node 135.753427899102 2.3398e-05 deg
peri 315.1171858144182 3.2465e-05 deg
M 212.2191085310373 3.0456e-05 deg
tp 2459457.543462449457
(2021-Aug-31.04346245)
0.00019282 TDB
period 2087.791211806324
5.72
5.2135e-05
1.427e-07
d
yr
n .1724310352319826 4.3058e-09 deg/d
Q 3.926951749107627 6.5374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-02-11  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:49:25  

Additional Information
 Earth MOID = 1.50799 au 
 Jupiter MOID = 1.37838 au 
 T_jup = 3.101 
[ show covariance matrix ]

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 MPO454623  
diameter diameter 5.782 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226115 (2002 PF157)          Discovered 2002-Aug-08 by Hoenig, S. F. at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2002 PF157 = 2005 AF47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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