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103170 (1999 XL230)
Classification: Main-belt Asteroid          SPK-ID: 2103170
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582926162256112 4.6937e-08  
a 2.582638569318481 1.2023e-08 au
q 2.173825953415889 1.1748e-07 au
i 14.64564714379149 4.8262e-06 deg
node 35.07651020716577 2.1043e-05 deg
peri 22.83377541645437 2.7655e-05 deg
M 20.21960657024636 1.8573e-05 deg
tp 2459115.354034238648
(2020-Sep-22.85403424)		 7.7999e-05 TDB
period 1515.981409806099
4.15		 1.0586e-05
2.898e-08		 d
yr
n .2374699304828848 1.6582e-09 deg/d
Q 2.991451185221073 1.3926e-08 au
   Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1999-09-18  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:32  

Additional Information
 Earth MOID = 1.19031 au 
 Jupiter MOID = 2.43299 au 
 T_jup = 3.361 
[ 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 15.0   n/a MPO395907  

103170 (1999 XL230)          Discovered 1999-Dec-07 by LONEOS at Anderson Mesa
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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