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100173 (1993 XZ)
Classification: Main-belt Asteroid          SPK-ID: 2100173
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038814602091607 5.9175e-08  
a 2.388028316523084 9.4011e-09 au
q 1.901153616329534 1.3911e-07 au
i 3.19475808530888 4.8124e-06 deg
node 74.6878290537009 7.6718e-05 deg
peri 311.0535857155958 7.7323e-05 deg
M 97.71266293326282 1.002e-05 deg
tp 2458634.647536638617
(2019-May-31.14753664)
3.6649e-05 TDB
period 1347.899881718022
3.69
7.9596e-06
2.179e-08
d
yr
n .2670821511914869 1.5772e-09 deg/d
Q 2.874903016716634 1.1318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9626 days (26.35 yr)  
   first obs. used      1993-12-11  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:27  

Additional Information
 Earth MOID = .907276 au 
 Jupiter MOID = 2.57664 au 
 T_jup = 3.503 
[ 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 16.2   n/a MPO406771  

100173 (1993 XZ)          Discovered 1993-Dec-11 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1993 XZ = 2000 QY136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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