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190764 (2001 QN137)
Classification: Main-belt Asteroid          SPK-ID: 2190764
[ 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 .1679140403972873 6.017e-08  
a 2.312032117602697 1.034e-08 au
q 1.923809463207732 1.3915e-07 au
i 6.002407905512726 4.7707e-06 deg
node 323.604256247397 4.6965e-05 deg
peri 32.90007660123366 4.8479e-05 deg
M 185.2721752090069 1.3853e-05 deg
tp 2459823.730631624893
(2022-Sep-01.23063162)		 5.153e-05 TDB
period 1284.071541858552
3.52		 8.614e-06
2.358e-08		 d
yr
n .2803582107885825 1.8807e-09 deg/d
Q 2.700254771997662 1.2076e-08 au
   Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      10606 days (29.04 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:01  

Additional Information
 Earth MOID = .920346 au 
 Jupiter MOID = 2.74349 au 
 T_jup = 3.558 
[ 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 16.05   n/a E2021B55  

190764 (2001 QN137)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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