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102884 (1999 XQ1)
Classification: Main-belt Asteroid          SPK-ID: 2102884
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2540528085216176 4.1685e-08  
a 2.567602452423749 1.0036e-08 au
q 1.915295838218503 1.0609e-07 au
i 6.406207384151655 4.979e-06 deg
node 90.50287508855992 3.4349e-05 deg
peri 347.0843425608521 3.5603e-05 deg
M 14.02354630478411 8.6426e-06 deg
tp 2459141.960979455170
(2020-Oct-19.46097946)		 3.6079e-05 TDB
period 1502.761636616086
4.11		 8.8108e-06
2.412e-08		 d
yr
n .2395589501543618 1.4045e-09 deg/d
Q 3.219909066628996 1.2586e-08 au
   Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      10641 days (29.13 yr)  
   first obs. used      1991-12-04  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:41  

Additional Information
 Earth MOID = .931012 au 
 Jupiter MOID = 2.05517 au 
 T_jup = 3.377 
[ 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 15.81   n/a E2021B55  

102884 (1999 XQ1)          Discovered 1999-Dec-02 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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