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74147 (1998 QR86)
Classification: Main-belt Asteroid          SPK-ID: 2074147
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2638895075291091 5.5072e-08  
a 2.720908664046734 1.2796e-08 au
q 2.002889416659755 1.5121e-07 au
i 7.858821444415673 4.2082e-06 deg
node 299.2837748474119 4.1874e-05 deg
peri 61.73160471029112 4.2227e-05 deg
M 296.8960283584076 7.2591e-06 deg
tp 2459287.858180540246
(2021-Mar-14.35818054)
3.4053e-05 TDB
period 1639.341269707096
4.49
1.1564e-05
3.166e-08
d
yr
n .219600400875848 1.5491e-09 deg/d
Q 3.438927911433713 1.6172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      24372 days (66.73 yr)  
   first obs. used      1953-09-07  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:33  

Additional Information
 Earth MOID = 1.01347 au 
 Jupiter MOID = 2.09658 au 
 T_jup = 3.294 
[ 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 14.2   n/a MPO474627  

74147 (1998 QR86)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR86 = 2000 AR126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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