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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 ]

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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 .2292715634338312 5.8071e-08  
a 3.19401719180533 5.2736e-08 au
q 2.461719876605586 1.8996e-07 au
i 15.08551565656288 7.1028e-06 deg
node 135.7482814878123 2.3382e-05 deg
peri 315.2792992744386 3.2398e-05 deg
M 281.1233759750742 3.1644e-05 deg
tp 2459457.325264579536
(2021-Aug-30.82526458)
0.00019201 TDB
period 2084.991558419929
5.71
5.1637e-05
1.414e-07
d
yr
n .1726625695659023 4.2762e-09 deg/d
Q 3.926314507005072 6.4827e-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 = 1.50272 au 
 Jupiter MOID = 1.3773 au 
 T_jup = 3.102 
[ 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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