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226715 (2004 PW15)
Classification: Main-belt Asteroid          SPK-ID: 2226715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452646823579967 8.5291e-08  
a 2.764744435197738 2.4678e-08 au
q 2.3631247130177 2.2943e-07 au
i 9.313217165869069 8.2109e-06 deg
node 346.8629488218182 3.9255e-05 deg
peri 355.7006346361737 4.5601e-05 deg
M 151.673126688771 2.7695e-05 deg
tp 2458293.064165709266
(2018-Jun-23.56416571)
0.00012504 TDB
period 1679.116834370099
4.60
2.2481e-05
6.155e-08
d
yr
n .2143984222128592 2.8705e-09 deg/d
Q 3.166364157377776 2.8263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1995-08-27  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:30  

Additional Information
 Earth MOID = 1.3554 au 
 Jupiter MOID = 2.23671 au 
 T_jup = 3.305 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457494.5 (2016-Apr-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443808503559744 8.5429e-08  
q 2.368080051704659 2.2937e-07 au
tp 2458290.039047764041
(2018-Jun-20.53904776)
0.00012587 TDB
node 346.9269969247052 3.9172e-05 deg
peri 354.8931810513118 4.5609e-05 deg
i 9.322248099570722 8.2171e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      8915 days (24.41 yr)  
   first obs. used      1995-08-27  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59278  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:30  

Additional Information
 Jupiter MOID = 2.23671 au 
 T_jup = 3.305 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.298147799861683E-15 -1.95194737297185E-14 2.494171596692226E-12 3.173393066541334E-14 1.990414914236738E-13 1.101818914091965E-14
q -1.95194737297185E-14 5.260861933546591E-14 -5.733474064961166E-12 -8.632216440669727E-14 -3.969005148083821E-13 -2.970821935598184E-14
tp 2.494171596692226E-12 -5.733474064961166E-12 1.584387494027655E-8 -3.011036587904099E-11 2.942716545155103E-9 2.455406718896868E-12
node 3.173393066541334E-14 -8.632216440669727E-14 -3.011036587904099E-11 1.534449990118147E-9 -1.520863666128873E-9 -5.695120930337411E-11
peri 1.990414914236738E-13 -3.969005148083821E-13 2.942716545155103E-9 -1.520863666128873E-9 2.080209934134177E-9 5.627196692085375E-11
i 1.101818914091965E-14 -2.970821935598184E-14 2.455406718896868E-12 -5.695120930337411E-11 5.627196692085375E-11 6.752135906849344E-11

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 16.2   n/a MPO459997  
diameter diameter 2.560 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226715 (2004 PW15)          Discovered 2004-Aug-07 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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