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90097 (2002 XU9)
Classification: Main-belt Asteroid          SPK-ID: 2090097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08796528510402028 4.4241e-08  
a 3.0753403817603 2.2001e-08 au
q 2.804817188286849 1.3374e-07 au
i 13.01743590491464 4.4498e-06 deg
node 91.65696060954328 2.0691e-05 deg
peri 5.134213601649699 3.4396e-05 deg
M 154.2471309031251 2.8043e-05 deg
tp 2458552.479865393015
(2019-Mar-09.97986539)
0.00015108 TDB
period 1969.872934941953
5.39
2.1139e-05
5.788e-08
d
yr
n .1827529043189825 1.9611e-09 deg/d
Q 3.345863575233752 2.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      10265 days (28.10 yr)  
   first obs. used      1993-05-27  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:15:56  

Additional Information
 Earth MOID = 1.82197 au 
 Jupiter MOID = 1.84555 au 
 T_jup = 3.184 
[ 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 14.39   n/a MPO637227  
diameter diameter 4.901 km 0.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90097 (2002 XU9)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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