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190981 (2001 XQ150)
Classification: Main-belt Asteroid          SPK-ID: 2190981
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2079153900098238 3.9281e-08  
a 2.409431813246285 1.3596e-08 au
q 1.908473858093106 9.7883e-08 au
i 2.901606513044352 5.2054e-06 deg
node 242.2299104569686 9.5445e-05 deg
peri 116.4290790692833 9.6574e-05 deg
M 91.73005553549366 1.5915e-05 deg
tp 2458852.419621123545
(2020-Jan-03.91962112)
5.866e-05 TDB
period 1366.061926639054
3.74
1.1563e-05
3.166e-08
d
yr
n .2635312447992121 2.2307e-09 deg/d
Q 2.910389768399463 1.6423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1997-09-27  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:54  

Additional Information
 Earth MOID = .905428 au 
 Jupiter MOID = 2.55435 au 
 T_jup = 3.489 
[ 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 16.7   n/a MPO433260  

190981 (2001 XQ150)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 XQ150 = 1997 SM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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