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103087 (1999 XW162)
Classification: Main-belt Asteroid          SPK-ID: 2103087
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590900899177615 3.6659e-08  
a 2.331627038709635 7.9189e-09 au
q 1.960688283466635 8.6805e-08 au
i 2.971627448440421 3.8703e-06 deg
node 121.1790474578702 7.3499e-05 deg
peri 31.85032271405866 7.4469e-05 deg
M 283.7251027108378 1.2641e-05 deg
tp 2459476.028280602420
(2021-Sep-18.52828060)		 4.6318e-05 TDB
period 1300.430214161231
3.56		 6.6249e-06
1.814e-08		 d
yr
n .2768314639876294 1.4103e-09 deg/d
Q 2.702565793952635 9.1787e-09 au
   Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      10210 days (27.95 yr)  
   first obs. used      1993-01-27  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:17  

Additional Information
 Earth MOID = .971751 au 
 Jupiter MOID = 2.28889 au 
 T_jup = 3.552 
[ 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 16.3   n/a MPO436484  

103087 (1999 XW162)          Discovered 1999-Dec-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 XW162 = 1993 BZ4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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