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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684235116904048 4.8697e-08  
a 2.614702700074058 2.58e-08 au
q 2.174325289301202 1.3764e-07 au
i 10.77092282011117 7.6515e-06 deg
node 239.0077647444269 3.6845e-05 deg
peri 43.54583726076765 4.7063e-05 deg
M 289.6096246173682 3.2543e-05 deg
tp 2459302.455316356554
(2021-Mar-28.95531636)
0.00014188 TDB
period 1544.300812397448
4.23
2.2857e-05
6.258e-08
d
yr
n .2331152046997362 3.4503e-09 deg/d
Q 3.055080110846914 3.0145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      7156 days (19.59 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:12  

Additional Information
 Earth MOID = 1.17197 au 
 Jupiter MOID = 2.09632 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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