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JPL Small-Body Database Browser
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376661 (2013 QF9)
Classification: Main-belt Asteroid          SPK-ID: 2376661
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118710522239191 1.0171e-07  
a 2.914361951394043 3.8827e-08 au
q 2.588329213330237 2.963e-07 au
i 9.347457424885276 1.1718e-05 deg
node 337.9652602882493 2.9014e-05 deg
peri 36.47458806664588 5.1683e-05 deg
M 105.2267616989452 3.846e-05 deg
tp 2458469.325321158168
(2018-Dec-16.82532116)
0.0001929 TDB
period 1817.245739540577
4.98
3.6316e-05
9.943e-08
d
yr
n .1981019914736532 3.9588e-09 deg/d
Q 3.240394689457849 4.317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5474 days (14.99 yr)  
   first obs. used      2003-09-21  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52141  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:02:01  

Additional Information
 Earth MOID = 1.59461 au 
 Jupiter MOID = 2.24717 au 
 T_jup = 3.253 
[ 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 16.8   n/a MPO455715  

376661 (2013 QF9)          Discovered 2008-Jul-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2013 QF9 = 2011 FC139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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