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JPL Small-Body Database Browser
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376660 (2013 QA9)
Classification: Main-belt Asteroid          SPK-ID: 2376660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079329761657331 6.2518e-08  
a 2.895775810672939 4.4932e-08 au
q 2.58322610911827 1.7818e-07 au
i 4.970630239240911 1.2695e-05 deg
node 192.3356465220967 6.5792e-05 deg
peri 235.7354530208875 9.0208e-05 deg
M 63.4278496111272 6.1912e-05 deg
tp 2458683.380229948671
(2019-Jul-18.88022995)
0.00030998 TDB
period 1799.889447906662
4.93
4.1892e-05
1.147e-07
d
yr
n .2000122843204027 4.6552e-09 deg/d
Q 3.208325512227608 4.9782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5920 days (16.21 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:26:14  

Additional Information
 Earth MOID = 1.60104 au 
 Jupiter MOID = 2.08066 au 
 T_jup = 3.275 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO455715  

376660 (2013 QA9)          Discovered 2006-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21

Alternate Designations
 2013 QA9 = 2008 SJ89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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