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226982 (2004 XN28)
Classification: Main-belt Asteroid          SPK-ID: 2226982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544782154847435 4.3868e-08  
a 3.068265417475056 3.5363e-08 au
q 2.594285251149957 1.4164e-07 au
i 12.14029805333584 4.6671e-06 deg
node 79.69722778086296 2.6676e-05 deg
peri 15.95206306720826 3.1977e-05 deg
M 239.0721881536377 1.8099e-05 deg
tp 2459259.919078823583
(2021-Feb-14.41907882)
0.00010331 TDB
period 1963.079168901961
5.37
3.3938e-05
9.292e-08
d
yr
n .183385370138365 3.1704e-09 deg/d
Q 3.542245583800154 4.0826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-03-12  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:37:31  

Additional Information
 Earth MOID = 1.61326 au 
 Jupiter MOID = 1.69498 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457349.5 (2015-Nov-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511195499920706 4.4188e-08  
q 2.607442926101279 1.425e-07 au
tp 2457295.487368656849
(2015-Sep-29.98736866)
9.6193e-05 TDB
node 79.84917384080843 2.6736e-05 deg
peri 16.04188174825891 3.2298e-05 deg
i 12.11988161329133 4.6598e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      7200 days (19.71 yr)  
   first obs. used      2000-03-12  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:37:31  

Additional Information
 Jupiter MOID = 1.69498 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.952578604572578E-15 -6.156360998581789E-15 1.109099377288645E-12 2.822553844688324E-14 1.980980929034469E-13 -1.211156821681117E-15
q -6.156360998581789E-15 2.030538031212833E-14 -3.067631908580446E-12 -8.693451384146936E-14 -5.472228652841071E-13 6.873984099084252E-15
tp 1.109099377288645E-12 -3.067631908580446E-12 9.253164911931865E-9 2.753692498256588E-11 1.792698527418012E-9 1.187996053356286E-12
node 2.822553844688324E-14 -8.693451384146936E-14 2.753692498256588E-11 7.147929406140642E-10 -6.931619123055535E-10 1.276188447424392E-11
peri 1.980980929034469E-13 -5.472228652841071E-13 1.792698527418012E-9 -6.931619123055535E-10 1.043170220031049E-9 -1.234925532568747E-11
i -1.211156821681117E-15 6.873984099084252E-15 1.187996053356286E-12 1.276188447424392E-11 -1.234925532568747E-11 2.171360140216065E-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 14.7   n/a MPO475857  
diameter diameter 5.156 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226982 (2004 XN28)          Discovered 2004-Dec-10 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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