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173955 (2001 XU11)
Classification: Main-belt Asteroid          SPK-ID: 2173955
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192480168071424 6.7507e-08  
a 3.149548374883848 4.1128e-08 au
q 2.543322774337125 2.1237e-07 au
i 16.3971704632647 7.629e-06 deg
node 284.9711970956229 3.5432e-05 deg
peri 162.3569250196677 4.6367e-05 deg
M 132.4833036078967 3.0955e-05 deg
tp 2458449.172128165790
(2018-Nov-26.67212817)
0.00016678 TDB
period 2041.600914941205
5.59
3.999e-05
1.095e-07
d
yr
n .1763322093781327 3.4539e-09 deg/d
Q 3.755773975430572 4.9044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:59:15  

Additional Information
 Earth MOID = 1.56428 au 
 Jupiter MOID = 1.47032 au 
 T_jup = 3.117 
[ 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 15.31   n/a MPCxxxxx  

173955 (2001 XU11)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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