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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454546621305867 7.4229e-08  
a 2.764316481835867 2.2785e-08 au
q 2.362233761948419 2.0235e-07 au
i 9.314348332955134 7.7192e-06 deg
node 346.8614934003938 3.4476e-05 deg
peri 355.7286697493732 4.1485e-05 deg
M 194.5197636187534 2.782e-05 deg
tp 2459972.155939722786
(2023-Jan-27.65593972)
0.00013481 TDB
period 1678.726985017075
4.60
2.0756e-05
5.683e-08
d
yr
n .2144482117777705 2.6514e-09 deg/d
Q 3.166399201723316 2.6099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9378 days (25.68 yr)  
   first obs. used      1995-08-27  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:49:57  

Additional Information
 Earth MOID = 1.35268 au 
 Jupiter MOID = 2.23719 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457792.5 (2017-Feb-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144601272861905 7.4218e-08  
q 2.365540646684576 2.0176e-07 au
tp 2458292.032534142664
(2018-Jun-22.53253414)
0.00012508 TDB
node 346.9015062057331 3.4468e-05 deg
peri 355.4038090695202 4.154e-05 deg
i 9.314043999863838 7.7186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9378 days (25.68 yr)  
   first obs. used      1995-08-27  
   last obs. used      2021-04-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:49:57  

Additional Information
 Jupiter MOID = 2.23719 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.508262718830139E-15 -1.490636701015809E-14 2.535596449292142E-12 8.039917266448877E-15 3.837771229594916E-13 1.026206886371895E-14
q -1.490636701015809E-14 4.07077322146185E-14 -5.896813321924399E-12 -2.860068968690126E-14 -8.807026286347104E-13 -2.775098969852779E-14
tp 2.535596449292142E-12 -5.896813321924399E-12 1.564509775162942E-8 -3.806038405304837E-11 2.918884623327607E-9 3.47292292843797E-12
node 8.039917266448877E-15 -2.860068968690126E-14 -3.806038405304837E-11 1.188073513233748E-9 -1.179340275629656E-9 -4.265944000246122E-12
peri 3.837771229594916E-13 -8.807026286347104E-13 2.918884623327607E-9 -1.179340275629656E-9 1.725609058130561E-9 4.6977996634377E-12
i 1.026206886371895E-14 -2.775098969852779E-14 3.47292292843797E-12 -4.265944000246122E-12 4.6977996634377E-12 5.957608045859048E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.25   n/a MPCxxxxx  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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