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103118 (1999 XY182)
Classification: Main-belt Asteroid          SPK-ID: 2103118
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19872861379308 5.2163e-08  
a 2.774179920285699 1.7049e-08 au
q 2.222870990314725 1.4828e-07 au
i 10.29557159566045 6.7623e-06 deg
node 24.45930714028849 2.1841e-05 deg
peri 16.64542800986492 2.5483e-05 deg
M 174.7512643232923 1.5137e-05 deg
tp 2458181.246720460885
(2018-Mar-03.74672046)		 6.6489e-05 TDB
period 1687.71986729924
4.62		 1.5558e-05
4.26e-08		 d
yr
n .2133055413847127 1.9663e-09 deg/d
Q 3.325488850256674 2.0437e-08 au
   Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7552 days (20.68 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:36  

Additional Information
 Earth MOID = 1.23268 au 
 Jupiter MOID = 2.12429 au 
 T_jup = 3.284 
[ 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 15.02   n/a E2021B55  

103118 (1999 XY182)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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