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103106 (1999 XT176)
Classification: Main-belt Asteroid          SPK-ID: 2103106
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142161436414231 7.4931e-08  
a 2.762598576754742 1.5688e-08 au
q 2.170805363213058 2.0462e-07 au
i 10.77742593237258 7.3755e-06 deg
node 67.8528817175896 2.8779e-05 deg
peri 355.0259065274254 3.2897e-05 deg
M 241.3200371856092 1.2821e-05 deg
tp 2459753.404345530750
(2022-Jun-22.90434553)		 6.1072e-05 TDB
period 1677.162342074264
4.59		 1.4286e-05
3.911e-08		 d
yr
n .2146482728408765 1.8284e-09 deg/d
Q 3.354391790296428 1.9049e-08 au
   Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53174  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:40  

Additional Information
 Earth MOID = 1.18374 au 
 Jupiter MOID = 1.98625 au 
 T_jup = 3.282 
[ 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 14.9   n/a MPO385436  
diameter diameter 5.966 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103106 (1999 XT176)          Discovered 1999-Dec-10 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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