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JPL Small-Body Database Browser
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34722 (2001 QF9)
Classification: Main-belt Asteroid          SPK-ID: 2034722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898288461204294 3.7518e-08  
a 2.374217037255621 1.3209e-08 au
q 1.923522156633922 9.1761e-08 au
i 2.048277785472558 7.4546e-06 deg
node 2.093753018930697 0.00011785 deg
peri 279.7120438712725 0.00011982 deg
M 80.9866512711026 2.3611e-05 deg
tp 2458699.899295947070
(2019-Aug-04.39929595)
8.6492e-05 TDB
period 1336.223337557214
3.66
1.1152e-05
3.053e-08
d
yr
n .269416039880074 2.2484e-09 deg/d
Q 2.82491191787732 1.5717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      9543 days (26.13 yr)  
   first obs. used      1993-03-20  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:52:32  

Additional Information
 Earth MOID = .908391 au 
 Jupiter MOID = 2.32313 au 
 T_jup = 3.517 
[ 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 16.4   n/a MPO436008  

34722 (2001 QF9)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QF9 = 2000 EL187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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