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259149 (2002 XC90)
Classification: Main-belt Asteroid          SPK-ID: 2259149
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142198711987359 4.1138e-08  
a 2.475991000783148 1.7829e-08 au
q 2.193183627584468 1.0558e-07 au
i 5.63819821368293 4.6982e-06 deg
node 172.6407815398431 4.2209e-05 deg
peri 223.8734815466043 4.7265e-05 deg
M 208.0456116481499 2.3342e-05 deg
tp 2459601.165606867901
(2022-Jan-21.66560687)
9.4827e-05 TDB
period 1423.056094778533
3.90
1.5371e-05
4.208e-08
d
yr
n .2529766755652917 2.7324e-09 deg/d
Q 2.758798373981829 1.9865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7355 days (20.14 yr)  
   first obs. used      2000-05-05  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47785  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:06  

Additional Information
 Earth MOID = 1.20352 au 
 Jupiter MOID = 2.64825 au 
 T_jup = 3.465 
[ 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 16.5   n/a MPO433689  

259149 (2002 XC90)          Discovered 2002-Dec-14 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 2002 XC90 = 2008 GO121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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