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226981 (2004 XJ27)
Classification: Main-belt Asteroid          SPK-ID: 2226981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2269360690545669 5.9594e-08  
a 3.055374516284628 3.3877e-08 au
q 2.361999834069496 1.8513e-07 au
i 8.759514786777187 5.9978e-06 deg
node 67.11734690944495 3.9523e-05 deg
peri 86.03548126432079 4.1619e-05 deg
M 273.8084979850306 1.5446e-05 deg
tp 2459467.543199855667
(2021-Sep-10.04319986)
8.8835e-05 TDB
period 1950.720755728782
5.34
3.2444e-05
8.883e-08
d
yr
n .1845471725990352 3.0693e-09 deg/d
Q 3.74874919849976 4.1565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      7239 days (19.82 yr)  
   first obs. used      2000-01-03  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:56:37  

Additional Information
 Earth MOID = 1.39217 au 
 Jupiter MOID = 1.37494 au 
 T_jup = 3.178 
[ show covariance matrix ]

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 15.6   n/a MPO418211  
diameter diameter 4.527 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226981 (2004 XJ27)          Discovered 2004-Dec-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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