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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08807779552421463 4.5062e-08  
a 3.075999476177504 2.5545e-08 au
q 2.80507222328215 1.3589e-07 au
i 13.01723148577483 4.6135e-06 deg
node 91.65940601165565 2.4452e-05 deg
peri 5.345593633562915 4.1614e-05 deg
M 81.64267494630361 3.1904e-05 deg
tp 2458553.618334043085
(2019-Mar-11.11833404)
0.00017483 TDB
period 1970.50623157924
5.39
2.4546e-05
6.72e-08
d
yr
n .1826941697674724 2.2758e-09 deg/d
Q 3.346926729072857 2.7794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      9833 days (26.92 yr)  
   first obs. used      1993-05-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:27:58  

Additional Information
 Earth MOID = 1.82212 au 
 Jupiter MOID = 1.84385 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 14.3   n/a MPO280368  
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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