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103046 (1999 XU128)
Classification: Main-belt Asteroid          SPK-ID: 2103046
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042671010577005 6.4037e-08  
a 2.605041887123444 1.3822e-08 au
q 2.333421721419201 1.7486e-07 au
i 13.89578671741704 3.4524e-06 deg
node 343.3093983276204 1.8939e-05 deg
peri 116.3199032817673 3.1423e-05 deg
M 325.0788835410365 2.1613e-05 deg
tp 2459349.472502187347
(2021-May-14.97250219)		 9.2002e-05 TDB
period 1535.749890770727
4.20		 1.2223e-05
3.346e-08		 d
yr
n .2344131698549764 1.8657e-09 deg/d
Q 2.876662052827687 1.5264e-08 au
   Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:09  

Additional Information
 Earth MOID = 1.38474 au 
 Jupiter MOID = 2.25662 au 
 T_jup = 3.364 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.66   n/a E2021B55  

103046 (1999 XU128)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XU128 = 2001 FV146 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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