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173959 (2001 XE23)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173959
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390379645433137 4.3766e-08  
a 3.215901401743567 3.1443e-08 au
q 2.768769016673152 1.3345e-07 au
i 4.872257835729277 6.5226e-06 deg
node .3945032014692297 5.3374e-05 deg
peri 105.1500887754891 5.8568e-05 deg
M 65.52430802724859 2.4801e-05 deg
tp 2458617.099692524115
(2019-May-13.59969252)
0.00014286 TDB
period 2106.456593695286
5.77
3.0893e-05
8.458e-08
d
yr
n .1709031180977074 2.5065e-09 deg/d
Q 3.663033786813982 3.5815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:15:38  

Additional Information
 Earth MOID = 1.79072 au 
 Jupiter MOID = 1.48759 au 
 T_jup = 3.169 
[ 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 15.2   n/a MPO502965  

173959 (2001 XE23)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 XE23 = 2000 TT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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