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243947 (2001 QX89)
Classification: Main-belt Asteroid          SPK-ID: 2243947
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140056581201798 6.3019e-08  
a 3.13950788649141 2.973e-08 au
q 2.467635435069321 2.0086e-07 au
i 17.90334797204126 7.8081e-06 deg
node 307.2356407166497 1.8581e-05 deg
peri 345.7135525981516 2.3502e-05 deg
M 187.061656699793 1.5193e-05 deg
tp 2459976.566905558349
(2023-Feb-01.06690556)
9.1793e-05 TDB
period 2031.846028448597
5.56
2.8861e-05
7.902e-08
d
yr
n .1771787797694866 2.5167e-09 deg/d
Q 3.8113803379135 3.6092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6352 days (17.39 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:35:51  

Additional Information
 Earth MOID = 1.45546 au 
 Jupiter MOID = 1.46463 au 
 T_jup = 3.101 
[ 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 15.0   n/a MPO418304  

243947 (2001 QX89)          Discovered 2001-Aug-16 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2001 QX89 = 2006 OQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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