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226727 (2004 PL89)
Classification: Main-belt Asteroid          SPK-ID: 2226727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1682093646310424 5.2677e-08  
a 2.615542871796976 2.8923e-08 au
q 2.175584067166755 1.4605e-07 au
i 10.77095984133905 8.9687e-06 deg
node 239.01474479355 3.718e-05 deg
peri 43.43707908500975 4.821e-05 deg
M 196.4887828797996 3.2714e-05 deg
tp 2459302.256173508082
(2021-Mar-28.75617351)
0.0001454 TDB
period 1545.045207982243
4.23
2.5628e-05
7.017e-08
d
yr
n .2330028908799007 3.8648e-09 deg/d
Q 3.055501676427197 3.3788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6659 days (18.23 yr)  
   first obs. used      2000-09-23  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:44:40  

Additional Information
 Earth MOID = 1.17265 au 
 Jupiter MOID = 2.09451 au 
 T_jup = 3.363 
[ 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 15.8   n/a MPO427315  
diameter diameter 4.465 km 1.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226727 (2004 PL89)          Discovered 2004-Aug-09 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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