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226718 (2004 PZ25)
Classification: Main-belt Asteroid          SPK-ID: 2226718
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957390782951428 6.1357e-08  
a 2.714377227668773 1.9774e-08 au
q 2.183067530979562 1.6464e-07 au
i 2.226749839619488 6.4144e-06 deg
node 324.8424123135655 0.00012904 deg
peri 25.27808177940582 0.0001298 deg
M 173.4893136109118 1.4949e-05 deg
tp 2458213.320166371985
(2018-Apr-04.82016637)
6.3633e-05 TDB
period 1633.442050163612
4.47
1.785e-05
4.887e-08
d
yr
n .2203934935824267 2.4084e-09 deg/d
Q 3.245686924357984 2.3645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:30  

Additional Information
 Earth MOID = 1.17726 au 
 Jupiter MOID = 2.18662 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456854.5 (2014-Jul-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940324243798378 6.1573e-08  
q 2.188096384486812 1.6519e-07 au
tp 2456572.175923292377
(2013-Oct-06.67592329)
5.8748e-05 TDB
node 325.016552999703 0.00012831 deg
peri 24.04027008033993 0.00012912 deg
i 2.235948767273222 6.4202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:56:30  

Additional Information
 Jupiter MOID = 2.18662 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.791232046944745E-15 -1.01249623918045E-14 -5.713938644087443E-13 1.587804575088477E-14 -2.6756057450535E-13 -2.892316613628492E-17
q -1.01249623918045E-14 2.728880813618953E-14 1.746188094672345E-12 -4.385917753329941E-14 7.714453551786539E-13 -4.577293515225498E-18
tp -5.713938644087443E-13 1.746188094672345E-12 3.45130687217304E-9 -2.502331837148513E-11 8.577487860295035E-10 -1.880496345991238E-12
node 1.587804575088477E-14 -4.385917753329941E-14 -2.502331837148513E-11 1.646439195585916E-8 -1.645790628989038E-8 3.642948323173806E-11
peri -2.6756057450535E-13 7.714453551786539E-13 8.577487860295035E-10 -1.645790628989038E-8 1.667164287041887E-8 -3.685078648588459E-11
i -2.892316613628492E-17 -4.577293515225498E-18 -1.880496345991238E-12 3.642948323173806E-11 -3.685078648588459E-11 4.121914607291375E-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 16.3   n/a MPO413100  
diameter diameter 2.854 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226718 (2004 PZ25)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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