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226996 (2004 XS74)
Classification: Main-belt Asteroid          SPK-ID: 2226996
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548449253107659 6.1893e-08  
a 3.129745411258896 4.2673e-08 au
q 2.6451202168108 1.9896e-07 au
i 19.07574266519544 6.6048e-06 deg
node 103.9390012234319 2.2459e-05 deg
peri 315.9489401527308 3.2242e-05 deg
M 318.1316919355147 2.6747e-05 deg
tp 2459235.704081697948
(2021-Jan-21.20408170)
0.00015298 TDB
period 2022.376191577837
5.54
4.1362e-05
1.132e-07
d
yr
n .1780084246932969 3.6406e-09 deg/d
Q 3.614370605706992 4.9281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      7140 days (19.55 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55894  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:46:58  

Additional Information
 Earth MOID = 1.69138 au 
 Jupiter MOID = 1.74028 au 
 T_jup = 3.111 
[ 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 15.0   n/a MPO413102  
diameter diameter 5.611 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226996 (2004 XS74)          Discovered 2004-Dec-09 by Bickel, W. at Bergisch Gladbach
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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