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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456452634506424 7.2578e-08  
a 2.763740827861987 2.2523e-08 au
q 2.361215066878732 1.9828e-07 au
i 9.315004891164747 7.5852e-06 deg
node 346.8630098555655 3.3626e-05 deg
peri 355.7793372344671 4.0781e-05 deg
M 236.5035595088075 2.8047e-05 deg
tp 2459972.200143527688
(2023-Jan-27.70014353)
0.00013458 TDB
period 1678.202633579132
4.59
2.0515e-05
5.617e-08
d
yr
n .2145152157413922 2.6223e-09 deg/d
Q 3.166266588845243 2.5804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1995-08-27  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:48:52  

Additional Information
 Earth MOID = 1.35269 au 
 Jupiter MOID = 2.2374 au 
 T_jup = 3.306 
[ show covariance matrix ]

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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