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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901388336682223 3.7479e-08  
a 2.374980872757333 1.3211e-08 au
q 1.923404779626917 9.1796e-08 au
i 2.048212151205832 7.4544e-06 deg
node 2.117381055520071 0.00011784 deg
peri 279.7514130858543 0.00011981 deg
M 333.1871209825577 2.3188e-05 deg
tp 2458700.070238913019
(2019-Aug-04.57023891)
8.6471e-05 TDB
period 1336.868226100184
3.66
1.1155e-05
3.054e-08
d
yr
n .2692860769457931 2.2469e-09 deg/d
Q 2.826556965887749 1.5723e-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 = .907695 au 
 Jupiter MOID = 2.32075 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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