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190774 (2001 QL240)
Classification: Main-belt Asteroid          SPK-ID: 2190774
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501264157794507 4.4442e-08  
a 2.322834668675481 8.9011e-09 au
q 1.974115825418983 1.0241e-07 au
i .8450433591220505 4.8913e-06 deg
node 3.292195405219682 0.00030565 deg
peri 347.0231251472094 0.00030607 deg
M 158.5180451783264 1.5877e-05 deg
tp 2458631.120163823732
(2019-May-27.62016382)
5.6254e-05 TDB
period 1293.081433049884
3.54
7.4327e-06
2.035e-08
d
yr
n .2784047398707891 1.6003e-09 deg/d
Q 2.671553511931979 1.0237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      9651 days (26.42 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54461  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:04  

Additional Information
 Earth MOID = .966282 au 
 Jupiter MOID = 2.74153 au 
 T_jup = 3.561 
[ 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 17.3   n/a MPO449946  

190774 (2001 QL240)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 QL240 = 1994 TP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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