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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925256499217397 6.7582e-08  
a 3.14992748427199 4.2418e-08 au
q 2.543485648156175 2.1319e-07 au
i 16.39703204280438 7.6292e-06 deg
node 284.9724127973218 3.6164e-05 deg
peri 162.4043678158957 4.7497e-05 deg
M 97.15490251451837 3.1836e-05 deg
tp 2458449.424021836186
(2018-Nov-26.92402184)
0.00017376 TDB
period 2041.969545585484
5.59
4.1247e-05
1.129e-07
d
yr
n .1763003766526689 3.5612e-09 deg/d
Q 3.756369320387806 5.0585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:15:41  

Additional Information
 Earth MOID = 1.56468 au 
 Jupiter MOID = 1.46931 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 15.3   n/a MPO469866  

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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