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103068 (1999 XD145)
Classification: Main-belt Asteroid          SPK-ID: 2103068
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09791797085623385 5.1459e-08  
a 2.488773783893848 1.6439e-08 au
q 2.245078105054771 1.2622e-07 au
i 2.809497708868284 4.8328e-06 deg
node 231.0876272092032 0.00010548 deg
peri 315.2491663954543 0.00010822 deg
M 314.3225723782859 2.729e-05 deg
tp 2459182.459904108931
(2020-Nov-28.95990411)
0.00010948 TDB
period 1434.090510124858
3.93
1.4209e-05
3.89e-08
d
yr
n .2510301807719633 2.4872e-09 deg/d
Q 2.732469462732924 1.8049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      8816 days (24.14 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:09:57  

Additional Information
 Earth MOID = 1.24715 au 
 Jupiter MOID = 2.23227 au 
 T_jup = 3.466 
[ 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 16.6   n/a MPO453483  

103068 (1999 XD145)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XD145 = 1995 WX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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